Sök referens:   Författare   Titel   År  

(Bok)
Mabberley, D. J. 2008: Mabberley's plant-book. A portable dictionary of plants, their classification and uses.
3:e uppl, Cambridge University Press, Cambridge, New York, Melbourne


Kopplade växtnamn  som börjar på  A [3378]
 A   B   C   x   D   E   F   G   H   I   J   K   L   M   N   O   P   Q   R   S   T   U   V   W   X   Y   Z 
Fullständigt namn Växtnamn Produktnamn Rollkoder
Abelmoschus  Medik.
Abelmoschus esculentus  (L.) Moench bandakai, bindi, gobbo, gombo, gumbo, lady's fingers, okra
Abelmoschus manihot  (L.) Medik. aibika, ibika, tree spinach
Abelmoschus moschatus  Medik. ambrette
Abies  Mill. firs
Abies alba  Mill. silver fir
Abies balsamea  (L.) Mill. balsam fir
Abies cephalonica  Loudon Greek fir
Abies firma  Siebold & Zucc. Japanese fir
Abies fraseri  (Pursh) Poir. Fraser fir
Abies grandis  (D.Don) Lindl. giant fir, white fir
Abies lasiocarpa  (Hook.) Nutt. alpine fir
Abies magnifica  A.Murray red fir
Abies nordmanniana  (Steven) Spach Caucasian fir, Nordmann Christmas tree
Abies pindrow  (D.Don) Royle Himalayan fir
Abies procera  Rehder noble fir
Abobra  Naudin
Abroma augustum  (L.) L.f. devil's cotton
Abrus  Adans.
Abrus precatorius  L. coral pea, crab's eyes, lucky beans, Paternoster beans, rosary pea
Abutilon  Mill.
Abutilon indicum  (L.) Sweet
Abutilon theophrasti  Medik. American jute, Chinese hemp, Chinese jute, chingma, Indian mallow, Manchurian jute, velvetleaf
Acacia  Mill.
Acacia aneura  F.Muell. mulga
Acacia auriculiformis  Benth. auri
Acacia baileyana  F.Muell. Cootamundra wattle
Acacia catechu  (L.f.) Willd. catechu, cutch
Acacia dealbata  Link blue wattle, silver wattle
Acacia decurrens  (J.C.Wendl.) Willd. blue wattle, green wattle
Acacia farnesiana  (L.) Willd. cassie, opopanax, popinac
Acacia longifolia  (Andrews) Willd. sally wattle, Sydney golden wattle
Acacia mangium  Willd. mangium
Acacia nilotica  (L.) Delile babul
Acacia pycnantha  Benth. golden wattle
Acacia retinodes  Schltdl. wirilda
Acacia saligna  (Labill.) H.L.Wendl. Port Jackson willow
Acaena  L.
Acalypha  L.
Acalypha amentacea ssp. wilkesiana  (Müll.Arg.) Fosberg beefsteak plant, copperleaf, Jacob's coat
Acanthaceae  
Acanthocalycium  Backeb.
Acanthophippium  Blume
Acanthus mollis  L. bear's breech
Acanthus spinosus  L. oyster plant
Acca sellowiana  (O.Berg) Burret feijoa, pineapple guava
Acer  L. maples
Acer campestre  L. field maple, hedge maple
Acer macrophyllum  Pursh Pacific maple
Acer negundo  L. box elder
Acer palmatum  Thunb. Japanese maple
Acer platanoides  L. Norway maple
Acer pseudoplatanus  L. sycamore
Acer rubrum  L. red maple
Acer saccharinum  L. white maple
Acer saccharum  Marshall rock maple, striped maple, sugar maple
Aceraceae  
Aceras  R.Br.
Achariaceae  
Achillea millefolium  L. milfoil
Achillea ptarmica  L. sneezeweed, sneezewort
Achlys triphylla  (Sm.) DC. deerfoot, vanilla leaf
Acis autumnalis  (L.) Sweet autumn snowflake
Acmella oleracea  (L.) R.K.Jansen Brazilian cress, Pará cress
Aconitum lycoctonum  L. badger's bane, wolfsbane
Acorus calamus  L. calamus, sweet flag
Acrocomia aculeata  (Jacq.) Mart. coyoli palm
Acrodon  R.Br.
Acrostichum  L.
Actaea racemosa  L. black cohosh, black snakeroot
Actaea spicata  L. baneberry, Herb Christopher
Actinidia deliciosa  (A.Chev.) C.F.Liang & A.R.Ferguson Chinese gooseberry, kiwi-fruit, yangtao
Actinidiaceae  
Actiniopteris  Link
Actinostemma  Griff.
Actinotus  Labill.
Actinotus helianthi  Labill. flannelflower
Adansonia  L.
Adansonia digitata  L. baobab, Judas's bag, monkey bread
Adenium obesum  (Forssk.) Roem. & Schult. desert rose
Adenocline  Turcz.
Adiantaceae  
Adiantum  L.
Adonis annua  L. pheasant's eye
Adoxa moschatellina  L. moschatel, townhall clock
Adoxaceae  
Aechmea fasciata  (Lindl.) Baker urn plant
Aeginetia  L.
Aegle marmelos  (L.) Corrêa bael, bel tree, beli, Bengal quince, golden apple
Aegopodium podagraria  L. bishop weed, goutweed, ground elder
Aerva  Forssk.
Aeschynomene indica  L. T  U 
Aesculus hippocastanum  L. horse-chestnut
Aethusa cynapium  L. fool's parsley
Aframomum angustifolium  (Sonn.) K.Schum. Madagascar cardamom
Aframomum corrorima  (C.Pereira) P.C.M.Jansen korarima
Aframomum melegueta  K.Schum. alligator pepper, grains of paradise, Guinea grains, malagueta pepper, melegueta pepper
Afzelia quanzensis  Welw. chamfuta, pod mahogany, red mahogany
Agastache foeniculum  (Pursh) Kuntze anise hyssop, giant hyssop
Agathis australis  (D.Don) Loudon kauri
Agathis dammara  (Lamb.) Rich. & A.Rich. bendang, bindang
Agathis macrophylla  (Lindl.) Mast. dakua, Fijian kauri
Agavaceae  
Agave  L. tampico
Agave americana  L. century plant
Agave cantala  (Haw.) Roxb. Bombay aloe, cantala, Manila maguey
Agave lechuguilla  Torr. lecheguilla, tula ixtle
Agave letonae  Trel. Salvador henequen
Ageratina adenophora  (Spreng.) R.M.King & H.Rob. Crofton weed, Mexican devil
Ageratum conyzoides  L. billy-goat weed
Aglaomorpha  Schott
Agoseris  Raf.
Agrimonia eupatoria  L. common agrimony
Agriophyllum  M.Bieb.
Agrostis  L. bent grasses
Agrostis canina  L. brown bent, velvet bent
Agrostis capillaris  L. brown top, colonial bent, common bent, Rhode Island bent
Agrostis gigantea  Roth black bent, red top
Agrostis stolonifera  L. creeping bent, fiorin, red top
Ailanthus altissima  (Mill.) Swingle tree of heaven
Aiphanes minima  (Gaertn.) Burret macaw palm
Airopsis  Desv.
Aizoanthemum  Friedrich
Aizoon  L.
Ajuga chamaepitys  (L.) Schreb. ground pine, yellow bugle
Ajuga reptans  L. common bugle
Alangiaceae  
Alangium  Lam.
Albizia julibrissin  Durazz. silk tree
Albizia lebbek  (L.) Benth. East Indian walnut, kokko, siris
Alchemilla vulgaris  L. sensu lato lady's mantle
Aldrovanda vesiculosa  L. waterwheel
Aleurites  J.R.Forst. & G.Forst.
Aleurites moluccanus  (L.) Willd. balucanat, candleberry, candlenut oil tree, kukui nut, Otaheite walnut
Aleuritopteris  Fée
Alismatales  Bercht. & J.Presl
Alkanna tinctoria  (L.) Tausch alkanet
Alkekengi officinarum  Moench Chinese lantern, winter cherry
Alliaria petiolata  (M.Bieb.) Cavara & Grande garlic mustard, hedge garlic, Jack-by-the-hedge
Allium ampeloprasum  L. Levant garlic
Allium ampeloprasum Kurrat-Gruppen   kurrat
Allium ampeloprasum Porrum-Gruppen   leek
Allium cepa  L. onion
Allium cepa Aggregatum-Gruppen   shallot
Allium cernuum  Roth lady's leek
Allium fistulosum  L. Japanese bunching onion, Welsh onion
Allium oleraceum  L. field garlic
Allium x proliferum  (Moench) Willd. Egyptian onion, tree onion
Allium sativum  L. garlic
Allium sativum Ophioscorodon-Gruppen   rocambole
Allium schoenoprasum  L. chives
Allium scorodoprasum  L. sandleek
Allium sphaerocephalon  L. round-headed garlic, round-headed leek
Allium tricoccum  Sol. ramps
Allium tuberosum  Spreng. Chinese chives, garlic chives
Allium ursinum  L. ramsons, wild garlic, wood garlic
Allium vineale  L. crow garlic, false garlic
Alnus  Mill. alders
Alnus alnobetula  (Ehrh.) K.Koch green alder
Alnus cordata  (Loisel.) Duby Italian alder
Alnus glutinosa  (L.) Gaertn. black alder, common alder, European alder
Alnus incana  (L.) Moench grey alder, white alder
Alnus japonica  (Thunb.) Steud. Japanese alder
Alnus rubra  Bong. Oregon alder, red alder
Alnus serrulata  (Aiton) Willd. hazel alder
Aloaceae  
Alocasia macrorrhizos  (L.) G.Don conjevoi, giant taro
Aloe ferox  Mill. Cape aloe
Aloe perryi  Baker Socotrine aloe, Zanzibar aloe
Aloe vera  (L.) Burm.f. Barbados aloe, Curaçao aloe
Alopecurus pratensis  L. blackgrass, meadow foxtail
Aloysia citrodora  Palau lemon verbena
Alpinia galanga  (L.) Willd. galangal, Siamese ginger
Alpinia zerumbet  (Pers.) B.L.Burtt & R.M.Sm. shell ginger
Alstroemeria aurea  Graham Peruvian lily
Alstroemeriaceae  
Alternanthera sessilis  (L.) DC. mukunawanna
Althaea officinalis  L. marsh mallow
Altingiaceae  
Alyssum alyssoides  (L.) L. hoary alyssum
Amaranthaceae  
Amaranthus albus  L. pigweed
Amaranthus caudatus  L. cat-tail, Inca wheat, love-lies-bleeding, quihuicha
Amaranthus hybridus  L. prince's feather
Amaranthus retroflexus  L. pigweed
Amaranthus tricolor  L. Chinese spinach, Joseph's coat, tampala
Amaryllidaceae  
Amaryllis belladonna  L. belladona lily
Amberboa moschata  (L.) DC. sweet sultan
Ambrosia artemisiifolia  L. hogbrake
Amelanchier ovalis  Medik. snowy mespilus
Amherstia nobilis  Wall. orchid tree, pride of Burma
Ammi majus  L. bullwort
Ammi visnaga  (L.) Lam. khella
Ammophila arenaria  (L.) Link beach grass, marram grass, mel grass
Amomum compactum  Maton round cardamom
Amomum maximum  Roxb. Java cardamom
Amorpha fruticosa  L. bastard indigo
Amorphophallus konjac  K.Koch konjaku
Amorphophallus paeoniifolius  (Dennst.) Nicolson elephant yam, suram
Ampelodesmos mauritanicus  (Poir.) T.Durand & Schinz dis grass, diss grass
Amphicarpaea bracteata  (L.) Fernald hog peanut
Amphilophium  Kunth
Anacamptis morio  (L.) R.M.Bateman & al. green-winged orchid
Anacamptis pyramidalis  (L.) Rich. pyramid orchid
Anacardiaceae  
Anacardium occidentale  L. acajou, cashew-nut
Anacyclus pyrethrum  (L.) Link pellitory
Anagallis arvensis  L. common pimpernel, poor man's weather-glass, scarlet pimpernel, shepherd's weather-glass
Anagallis monelli  L. blue pimpernel
Anagallis tenella  (L.) L. bog pimpernel
Ananas comosus  (L.) Merr. pineapple
Ananas lucidus  Mill. curagua
Anaphalis margaritacea  (L.) Benth. & Hook.f. pearly everlasting
Anastatica hierochuntica  L. resurrection-plant, rose-of-Jericho
Anchusa capensis  Thunb. Cape forget-me-not
Andrographis paniculata  (Burm.f.) Nees kariyat
Andromeda polifolia  L. bog rosemary
Anemone x hybrida  Paxton Japanese anemone
Anemone nemorosa  L. wood anemone
Anethum graveolens  L. dill
Anethum sowa  Fleming Indian dill
Angelica archangelica  L. angelica
Angiopteris evecta  (G.Forst.) Hoffm. T  U 
Anigozanthos  Labill. kangaroo-paw
Anisantha  K.Koch
Annona x atemoya  D.J.Mabberley atemoya
Annona cherimola  Mill. cherimoya, custard apple, sharifa
Annona diversifolia  Saff. ilama
Annona glabra  L. pond apple
Annona muricata  L. graviola, guanábana, soursop
Annona reticulata  L. bullock's-heart, custard apple, sugar apple
Annona squamosa  L. custard apple, sweetsop
Annonaceae  
Anodiscus xanthophyllus  (Poepp.) Mansf. T  U 
Anoectochilus  Blume jewel orchids
Anredera cordifolia  (Ten.) Steenis Madeira vine, mignonette vine
Antennaria dioica  (L.) Gaertn. cat's-foot, mountain everlasting
Anthemis cotula  L. mayweed
Anthericaceae  
Anthericum  L.
Anthericum liliago  L. Saint Bernard's lily
Anthoxanthum odoratum  L. spring grass, sweet vernal grass
Anthriscus cerefolium  (L.) Hoffm. chervil
Anthriscus sylvestris  (L.) Hoffm. cow-parsley, Queen Anne's lace
Anthyllis vulneraria  L. kidney-vetch, lady's fingers
Antiaris toxicaria  (Pers.) Lesch. ipoh, upas-tree
Anticlea elegans  (Pursh) Rydb. white camas, white camash
Antigonon leptopus  Hook. & Arn. coral vine, corallita
Antirrhinum majus  L. snapdragon
Antrocaryon micraster  A.Chev. & Guill. T  U 
Aphanes arvensis  L. parsley piert
Aphyllanthaceae  
Apiales  Nakai
Apios americana  Medik. groundnut, potato bean
Apocynaceae  
Apocynum cannabinum  L. Choctaw root, Indian hemp
Apollonias  Nees
Aponogeton distachyos  L.f. Cape asparagus, Cape pondweed, water hawthorn
Aponogeton madagascariensis  (Mirb.) H.Bruggen lace-leaf
Aponogetonaceae  
Aquifoliaceae  
Aquifoliales  Senft
Aquilaria malaccensis  Lam. agarwood, aloewood, calambac, eaglewood, lign-aloes
Arabidopsis thaliana  (L.) Heynh. thale cress
Arabis caucasica  Schltdl.
Araceae  
Arachis hypogaea  L. earthnut, groundnut, monkeynut, peanut
Arales  
Aralia nudicaulis  L. wild sarsaparilla
Aralia racemosa  L. American spikenard
Araliaceae  
Araucaria angustifolia  (Bertol.) Kuntze Brazilian pine, Paraná pine
Araucaria araucana  (Molina) K.Koch Chile pine, monkey-puzzle
Araucaria bidwillii  Hook. bunya-bunya pine
Araucaria cunninghamii  Mudie hoop pine, Moreton Bay pine
Araucaria heterophylla  (Salisb.) Franco Norfolk Island pine
Araucariaceae  
Arbutus menziesii  Pursh madroña, madrone, madroño
Arbutus unedo  L. strawberry tree
Archidendron jiringa  (Jack) I.C.Nielsen jengkol, ngapi
Archontophoenix alexandrae  (F.Muell.) H.Wendl. & Drude Alexandra palm
Archontophoenix cunninghamiana  (H.Wendl.) H.Wendl. & Drude bangalow palm, Illawara palm, piccabeen
Arctostaphylos uva-ursi  (L.) Spreng. bearberry
Arctous alpina  (L.) Nied. black bearberry
Arecaceae  
Arecales  Bromhead
Arenga pinnata  (Wurmb) Merr. ejow, gomuti, sugar palm
Argania spinosa  (L.) Maire argan
Argemone mexicana  L. Mexican poppy, prickly poppy
Argentina anserina  (L.) Rydb. silverweed
Argophyllaceae  
Argyranthemum  Sch.Bip. marguerite
Argyreia nervosa  (Burm.f.) Bojer elephant climber
Arisaema triphyllum  (L.) Torr. Indian turnip, Jack-in-the-pulpit
Arisarum proboscideum  (L.) Savi mouseplant
Aristolochia macrophylla  Lam. Dutchman's pipe
Aristolochia serpentaria  L. Virginian snakeroot
Aristolochiaceae  
Aristolochiales  
Armeria maritima  (Mill.) Willd. sea-pink, thrift
Armoracia rusticana  P.Gaertn. & al. horseradish
Arnebia pulchra  (Roem. & Schult.) J.R.Edm. prophet flower
Arnica montana  L. arnica, mountain tobacco
Aronia arbutifolia  (L.) Pers. red chokeberry
Aronia melanocarpa  (Michx.) Elliott black chokeberry
Arrhenatherum elatius  (L.) J. & C.Presl false oat, French rye-grass
Arrhenatherum elatius ssp. bulbosum  (Willd.) Schübl. & G.Martens onion couch
Artemisia abrotanum  L. lad's love, old man, southernwood
Artemisia absinthium  L. absinthe, wormwood
Artemisia annua  L. qinghao
Artemisia cina  O.Berg Levant wormseed
Artemisia dracunculus  L. estragon, tarragon
Artemisia dracunculus Glauca-Gruppen   Russian tarragon
Artemisia maritima  L. sea wormwood
Artemisia pontica  L. Roman wormwood
Artemisia vulgaris  L. mugwort
Arthropodium  R.Br. vanilla lilies
Arthropodium cirrhatum  (G.Forst.) R.Br. rock-lily
Artocarpus altilis  (Parkinson) Fosberg breadfruit
Artocarpus heterophyllus  Lam. jak
Artocarpus integer  (Thunb.) Merr. chempedak
Artocarpus odoratissimus  Blanco marang, terap
Arum maculatum  L. cuckoo-pint, jack-in-the-pulpit, lords-and-ladies, wake-robin
Aruncus dioicus  (Walter) Fernald goat's-beard
Asarum canadense  L. wild ginger
Asarum europaeum  L. asarabacca
Asclepiadaceae  
Asclepias curassavica  L. bastard ipecacuanha, blood-flower, Indian root, matac, swallow-wort
Asclepias syriaca  L. milkweed, silkweed
Asclepias tuberosa  L. butterfly-weed, pleurisy-root
Asimina triloba  (L.) Dunal papaw, pawpaw
Asparagales  Link
Asparagus asparagoides  (L.) Druce bridal creeper
Asparagus officinalis  L. garden asparagus
Asparagus plumosus  Baker asparagus fern
Asperugo procumbens  L. madwort
Asperula cynanchica  L. squinancywort
Asphodelaceae  
Asphodeline lutea  (L.) Rchb. yellow asphodel
Asphodelus aestivus  auct. non Brot.
Asphodelus fistulosus  L. onion weed
Asphodelus ramosus  L. asphodel
Aspidiaceae  
Aspidistra elatior  Blume aspidistra
Aspleniaceae  
Asplenium ceterach  L. rusty-back
Asplenium marinum  L. sea spleenwort
Asplenium nidus  L. bird's nest fern
Asplenium ruta-muraria  L. wall spleenwort, wall-rue
Asplenium scolopendrium  L. hart's-tongue fern
Asplenium trichomanes  L. maidenhair spleenwort
Asterales  Link
Astragalus glycyphyllos  L. fitsroot, milkvetch
Astrantia  L. masterworts
Astrocaryum murumuru  Mart. murumuru
Ataenidia  Gagnep.
Athamanta cretensis  L. candy carrot
Atherospermataceae  
Athyrium filix-femina  (L.) Roth lady fern
Atocion  Adans.
Atocion armeria  (L.) Raf. none-so-pretty
Atriplex  L.
Atriplex hortensis  L. orache
Atropa belladonna  L. belladonna, deadly nightshade
Attalea cohune  Mart. cohune nut
Attalea funifera  Mart. Bahia piassava, coquilla, piassaba
Attalea maripa  (Aubl.) Mart. kokerite
Attalea phalerata  Spreng. coco de macaco
Attalea spectabilis  Mart. curua
Aubrieta x cultorum  Bergmans aubretia, aubrietia
Aucoumea klaineana  Pierre Gaboon mahogany, okoumé
Aucuba japonica  Thunb. Japanese laurel
Aucubaceae  
Aurinia saxatilis  (L.) Desv. gold-dust
Austrobaileyales  Takht. & Reveal
Avellinia  Parl.
Avena sativa  L. oat
Averrhoa bilimbi  L. bilimbi, bilimbing, camias, cucumber tree
Averrhoa carambola  L. caramba, carambola
Azadirachta indica  A.Juss. margosa, neem, nim
Azollaceae  
Babiana fragrans  (Jacq.) Steud. baboon root
Baccharoides anthelmintica  (L.) Moench
Backhousia citriodora  F.Muell. lemon myrtle
Bacopa monnieri  (L.) Pennell water hyssop
Bactris gasipaes  Kunth peach nut, peach-palm, pejibay, pejibaye, pejivalle
Bactris major  Jacq. black roseau
Baillonella toxisperma  Pierre djave
Balanitaceae  
Ballota nigra  L. black horehound
Balsaminaceae  
Balsamorhiza sagittata  (Pursh) Nutt. balsam root
Bambusa bambos  (L.) Voss male bamboo, spiny bamboo
Bambusa vulgaris  J.C.Wendl. common bamboo
Banisteriopsis caapi  (Griseb.) C.V.Morton
Baptisia  Vent. false indigo
Barbarea verna  (Mill.) Asch. American cress, land cress, Normandy cress, upland cress
Barbarea vulgaris  R.Br. yellow rocket
Barbarea vulgaris 'Variegata'  
Barleria cristata  L. Philippine violet
Basella alba  L. Ceylon spinach, Indian spinach, Malabar nightshade, Malabar spinach
Basellaceae  
Basilicum polystachyon  (L.) Moench musk basil
Bassia scoparia  (L.) A.J.Scott summer cypress
Bassia scoparia 'Trichophylla'   burning bush
Bauhinia variegata  L. orchid tree
Beaufortia  R.Br.
Begonia masoniana  Ziesenh. iron cross
Begoniaceae  
Bellevalia romana  (L.) Rchb. Roman hyacinth
Benincasa hispida  (Thunb.) Cogn. ash pumpkin, petha, wax gourd, white gourd
Berberidaceae  
Berberidopsidaceae  
Berberidopsidales  Doweld
Berberidopsis corallina  Hook.f. T  U 
Berberis canadensis  Mill. Alleghany barberry, American barberry
Berberis vulgaris  L. common barberry, European barberry
Berteroa incana  (L.) DC. hoary alison
Bertholletia excelsa  Humb. & Bonpl. Brazilian nut, Pará nut
Beta  L.
Beta vulgaris Foderbeta-Gruppen   mangel-wurzel
Beta vulgaris Mangold-Gruppen   rhubarb chard, spinach beet, Swiss chard
Beta vulgaris ssp. maritima  (L.) Arcang. wild sea-beat
Beta vulgaris Rödbeta-Gruppen   beetroot
Beta vulgaris Sockerbeta-Gruppen   sugarbeet
Betonica officinalis  L. betony
Betula alleghaniensis  Britton yellow birch
Betula lenta  L. American black birch, cherry birch
Betula maximowicziana  Regel Japanese birch
Betula nana  L. dwarf birch
Betula nigra  L. red birch
Betula papyrifera  Marshall canoe birch, paper birch
Betula pubescens  Ehrh. brown birch
Bidens pilosa  L. blackjack
Bignoniaceae  
Billardiera longiflora  Labill. blueberry, purple apple berry
Biscutella laevigata  L. buckler mustard
Bistorta officinalis  Delarbre bistort
Bixaceae  
Blackstonia perfoliata  (L.) Huds. yellow-wort
Blandfordia  Sm. Christmas bells
Blechnaceae  
Blighia sapida  K.D.Koenig akee
Blitum bonus-henricus  (L.) Rchb. all good, blite, Good King Henry
Bocconia frutescens  L. tree-celandine
Boea hygroscopica  F.Muell. T  U 
Boehmeria nivea  (L.) Gaudich. China grass, ramie
Boehmeria nivea var. tenacissima  (Gaudich.) Miq. greenish ramie, rhea
Boesenbergia rotunda  (L.) Mansf. Chinese key
Bolboschoenus maritimus  (L.) Palla bayonet grass
Bomarea edulis  (Tussac) Herb. salsilla
Bombacaceae  
Bombax ceiba  L. Indian silk cotton tree, silk cotton tree, simul
Borago officinalis  L. borage
Borassus aethiopum  Mart.
Borassus flabellifer  L. lontar, Palmyra palm bassine
Botrychium lunaria  (L.) Sw. moonwort
Bouteloua curtipendula  (Michx.) Torr. side-oats grama
Bouteloua dactyloides  (Nutt.) Columbus buffalo grass
Brachychiton acerifolius  (A.Cunn.) F.Muell. flame-tree
Brachychiton populneus  (Schott & Endl.) R.Br. kurrajong
Brachyglottis  J.R.Forst. & G.Forst.
Brachyglottis 'Sunshine'  
Brachyscome iberidifolia  Benth. Swan River daisy
Brassica carinata  A.Braun Texsel greens
Brassica juncea  (L.) Czern. Indian mustard, rai
Brassica juncea Integrifolia-Gruppen   Chinese mustard, Japanese greens, kai choy, senposai
Brassica napus  L. colza, oilseed rape, rape, rape-seed
Brassica napus Napobrassica-Gruppen   swede
Brassica napus Pabularia-Gruppen   Siberian kale
Brassica nigra  (L.) W.D.J.Koch black mustard, brown mustard
Brassica oleracea Alboglabra-Gruppen   Chinese broccoli, Chinese kale, gai laan, kai lan
Brassica oleracea Botrytis-Gruppen   cauliflower
Brassica oleracea Broccolo-Gruppen   broccoflower
Brassica oleracea Capitata-Gruppen   cabbage
Brassica oleracea Gemmifera-Gruppen   Brussels sprouts
Brassica oleracea Gongylodes-Gruppen   knol-kohl, kohlrabi
Brassica oleracea Italica-Gruppen   broccoli, calabrese
Brassica oleracea Sabellica-Gruppen   borecole, collards, kale
Brassica oleracea Tronchuda-Gruppen   Portoguese cabbage
Brassica oleracea Vinterbroccoli-Gruppen   calabrese, purple sprouting, sprouting broccoli
Brassica rapa  L. sarson
Brassica rapa Pekinensis-Gruppen   Chinese cabbage, wong-baak chihli, wong-bok
Brassica rapa Perviridis-Gruppen   komatsuma, komatsuna
Brassica rapa Rapifera-Gruppen   neeps, turnip
Brassicaceae  
Brassicales  Bromhead
Breynia disticha  J.R.Forst. & G.Forst. snowbush
Brighamia insignis  A.Gray olulu
Briza media  L. doddering-dillies, jiggle-joggles
Bromeliaceae  
Bromeliales  
Bromus  L. bromes
Bromus catharticus  Vahl rescue grass
Bromus hordeaceus  L. soft brome
Bromus inermis  Leyss. Hungarian brome
Bromus secalinus  L. cheat, chess
Bromus tectorum  L. downy chess
Brosimum alicastrum  Sw. breadnut, ramón
Brosimum guianense  (Aubl.) Huber amourette, lepard wood, letterwood
Brosimum rubescens  Taub. Brazilian redwood, brazilwood, cardinal wood, satiné, snakewood
Brosimum utile  (Kunth) Pittier cow-tree, milk tree
Broussonetia papyrifera  (L.) Vent. paper mulberry
Brugmansia  Pers. angel's trumpets
Brunfelsia americana  L. lady of the night
Brunfelsia pauciflora  (Cham. & Schltdl.) Benth. yesterday today and tomorrow
Bruniaceae  
Bryonia dioica  Jacq. tetter-berry, white bryony
Buddlejaceae  
Buglossoides arvensis  (L.) I.M.Johnst. bastard alkanet
Bupleurum rotundifolium  L. thorow-wax
Bursaria spinosa  Cav. christmas bush
Bursera penicillata  (DC.) Engl. Indian lavender
Bursera simaruba  (L.) Sarg. gumbo-limbo, West Indian birch
Burseraceae  
Butea monosperma  (Lam.) Taub. bastard teak, dhak, flame of the forest, palas
Butomaceae  
Butomus umbellatus  L. flowering rush
Buxaceae  
Buxales  Reveal
Buxus microphylla  Siebold & Zucc. Japanese box
Buxus sempervirens  L. Abassian box, common box, European box
Byblidaceae  
Bytterneriaceae  
Cabomba  Aubl. fanwort, fishgrass
Cabombaceae  
Cactaceae  
Caesalpinaceae  
Caesalpinia decapetala  (Roth) Alston Mysore thorn
Caesalpinia echinata  Lam. Bahia wood, Brazilian redwood, Brazilian wood, peach wood, Pernambuco wood
Caesalpinia pulcherrima  (L.) Sw. Barbados pride, Paradise flower, peacock flower
Caesalpinia sappan  L. Brazilian wood, sappanwood
Cajanus cajan  (L.) Huth arhar, Congo bean, Congo pea, pigeon pea
Cakile maritima  Scop. sea rocket
Caladium lindenii  (André) Madison Indian kale
Calceolaria  L. slipper flowers
Calceolariaceae  
Calea ternifolia  Kunth A  T 
Calendula officinalis  L. common marigold, pot marigold, ruddles, Scotch marigold
Calla palustris  L. water arum
Callistephus chinensis  (L.) Nees China aster
Callitrichaceae  
Callitrichales  
Callitriche  L. starworts
Callitriche stagnalis  Scop. water starwort
Callitris rhomboidea  Rich. & A.Rich. Illawara pine, Oyter Bay pine, Port Jackson cypress, Port Jackson pine
Calluna vulgaris  (L.) Hull common heather, ling, Scottish heather, white heather
Calocedrus decurrens  (Torr.) Florin incense cedar, white cedar
Calochortus  Pursh Mariposa lilies, sego lilies
Calophyllum inophyllum  L. Alexandrian laurel
Calotropis procera  (Aiton) W.T.Aiton apple of Sodom
Caltha palustris  L. kingcups, marsh marigold, mayblob
Calycanthaceae  
Calycanthus floridus  L. Carolina allspice
Calycanthus occidentalis  Hook. & Arn. California allspice
Calycophyllum candidissimum  (Vahl) DC. dagami, degame
Calycophyllum multiflorum  Griseb. palo amarillo
Camelina sativa  (L.) Crantz false flax, gold-of-pleasure
Camellia sinensis  (L.) Kuntze tea
Campanula medium  L. Canterbury bell
Campanula rapunculus  L. rampion
Campanula rotundifolia  L. harebell, Scottish bluebell
Campanulaceae  
Campsis grandiflora  (Thunb.) K.Schum. Chinese trumpet-flower
Campsis radicans  (L.) Seem. trumpet climber, trumpet creeper, trumpet vine
Camptotheca acuminata  Decne. happy tree, xi shu
Canarina canariensis  (L.) Vatke bicacaro
Canarium indicum  L. ngali nut
Canarium luzonicum  (Blume) A.Gray Java almond
Canarium schweinfurthii  Engl. abé, abel, aielé
Canavalia ensiformis  (L.) DC. jack bean, Jamaican horse bean, sabre bean, sword bean
Canavalia gladiata  (Jacq.) DC. sword bean
Canellaceae  
Canellales  Cronq.
Canna indica  L. achira, Indian shot, Quensland arrowroot, tous-les-mois
Cannabaceae  
Cannabis sativa  L. Indian hemp
Cannaceae  
Capparales  
Capparidaceae  
Capparis spinosa  L. capers
Caprifoliaceae  
Capsella bursa-pastoris  (L.) Medik. shepherd's purse
Capsicum annuum Chilipeppar-Gruppen   cayenne pepper, chilli pepper
Capsicum annuum Körsbärspaprika-Gruppen   cherry pepper
Capsicum annuum Paprika-Gruppen   bell pepper, green pepper, pimento, sweet pepper
Capsicum annuum Prydnadschili-Gruppen   cone pepper
Carapichea ipecacuanha  (Brot.) L.Andersson ipecacuanha
Cardamine hirsuta  L. hairy bittercress
Cardamine pratensis  L. cuckoo flower, lady's smock, meadow cress, spinks
Cardaria  Desv. hoary cress
Cardiospermum halicacabum  L. balloon vine T  U 
Carduus nutans  L. musk thistle
Carica papaya  L. melon tree, papaw, papaya, pawpaw
Caricaceae  
Cariniana pyriformis  Miers Colombian mahogany
Carissa macrocarpa  (Eckl.) A.DC. Natal plum
Carludovica palmata  Ruiz & Pav. Panama hat palm, Panama hat plant, toquilla
Carnegiea gigantea  (Engelm.) Britton & Rose giant cactus, saguaro
Carpinus betulus  L. hornbeam
Carpinus caroliniana  Walter American hornbeam, blue beech, water beech
Carpobrotus edulis  (L.) N.E.Br. pigface, Sally-my-handsome
Carrichtera annua  (L.) DC. Ward's weed
Carthamus lanatus  L. saffron thistle
Carthamus tinctorius  L. safflower, saffron thistle
Carum carvi  L. caraway
Carya cordiformis  (Wangenh.) K.Koch bitternut
Carya glabra  (Mill.) Sweet hognut, pignut
Carya illinoinensis  (Wangenh.) K.Koch pekan
Carya tomentosa  (Poir.) Nutt. mockernut
Caryocaraceae  
Caryophyllales  Bercht. & J.Presl
Caryota urens  L. kittool, kitul, toddy palm
Cascabela thevetia  (L.) Lippold lucky bean, lucky nut, yellow oleander
Casearia praecox  Griseb. Colombian boxwood, Maracaibo boxwood, West Indian boxwood, zapatero
Casimiroa edulis  La Llave & Lex. Mexican apple, white sapote
Cassia fistula  L. amaltas, golden shower, Indian laburnum, pudding-pipe tree, purging cassia
Cassytha  L. dodder-laurels
Castanea crenata  Siebold & Zucc. Japanese chestnut
Castanea dentata  (Marshall) Borkh. American chestnut
Castanea sativa  Mill. common chestnut, Spanish chestnut, sweet chestnut
Castanospermum australe  Hook. Australian chestnut, black bean, lucky beans, Moreton Bay chestnut
Castilla elastica  Cerv. Central American rubber, Panama rubber, Ulé rubber
Castilleja  L.f. Indian paintbrush
Casuarina equisetifolia  L. Australian pine, beefwood, jau, whistling pine, yar
Casuarinaceae  
Casuarinales  
Catalpa bignonioides  Walter Indian bean
Catalpa speciosa  (Barney) Engelm. catawba, cigar-tree
Catananche caerulea  L. cupid's dart
Catha edulis  (Vahl) Endl. cafta, ghat, khat, miraa, qat
Catharanthus roseus  (L.) G.Don Cayenne jasmine, Madagascar periwinkle, old maid
Caulophyllum thalictroides  (L.) Michx. blue cohosh, papoose root, squaw root
Ceanothus  L. California lilacs
Cecropiaceae  
Cedrela odorata  L. West Indian cedar
Cedronella canariensis  (L.) Webb & Berthel. Canary balm
Cedrus  Trew cedars
Cedrus atlantica  (Endl.) Carrière Atlantic cedar, Atlas cedar
Cedrus deodara  (Lamb.) G.Don deodar
Cedrus libani  A.Rich. cedar of Lebanon
Cedrus libani ssp. brevifolia  (Hook.f.) Meikle Cyprus cedar
Ceiba pentandra  (L.) Gaertn. silk-cotton tree
Celastraceae  
Celastrales  Link
Celosia argentea Cristata-Gruppen   cockscomb
Celtis australis  L. lote-tree
Celtis occidentalis  L. beaver wood
Cenchrus americanus  (L.) Morrone African millet, bajri, bulrush millet, gero, Indian millet, pearl millet, spiked millet
Cenchrus longisetus  M.C.Johnst. feathertop
Cenchrus purpureus  (Schumach.) Morrone elephant grass, Napier grass
Cenchrus setaceus  (Forssk.) Morrone fountain grass
Centaurea benedicta  (L.) L. blessed thistle
Centaurea cyanus  L. bachelor's buttons, cornflower
Centaurea nigra  L. hardheads, knapweed
Centella asiatica  (L.) Urb. gotu cola
Centranthus ruber  (L.) DC. red valerian
Cephalanthera rubra  (L.) Rich. red helleborine
Cephalanthus occidentalis  L. button bush
Cephalocereus senilis  (Haw.) Pfeiff. old man cactus
Cephalomanes javanicum  (Blume) Bosch A  T 
Cephalotaceae  
Cephalotaxaceae  
Cephalotaxus  Endl. plum yews
Cerastium  L. chickweed, mous-ear chickweed
Cerastium fontanum ssp. vulgare  (Hartm.) Greuter & Burdet common mouse-ear
Cerastium tomentosum  L. snow-in-summer
Ceratonia siliqua  L. carob, locust-bean
Ceratophyllaceae  
Ceratophyllales  Link
Ceratophyllum  L. hornworts
Ceratopteris  Brongn.
Cercidiphyllaceae  
Cercidiphyllum japonicum  J.J.Hoffm. & J.H.Schult.bis katsura
Cercis canadensis  L. redbud
Cercis siliquastrum  L. Judas tree
Ceroxylon alpinum  DC. wax palm
Cestrum nocturnum  L. lady of the night, rat-ki-rani
Chaenomeles japonica  (Thunb.) Spach Japanse quince
Chaenorhinum  (DC.) Rchb.
Chaerophyllum bulbosum  L. turnip-rooted chervil
Chaiturus marrubiastrum  (L.) Spenn.
Chamaecrista fasciculata  (Michx.) Greene golden cassia, prairie senna
Chamaecyparis lawsoniana  (A.Murray bis) Parl. Lawson's cypress, Oregon cedar, Port Oxford cedar
Chamaecyparis nootkatensis  (D.Don) Spach Alaska yellow cedar, Alaska yellow cypress, Nootka cypress, Sitka cypress, yellow cedar, yellow cypress
Chamaecyparis obtusa  (Siebold & Zucc.) Endl. hinoki cypress, Japanese cypress
Chamaecyparis pisifera  (Siebold & Zucc.) Endl. sawara cypress
Chamaecyparis thyoides  (L.) Britton & al. southern white cedar
Chamaedorea tepejilote  Liebm. pacaya
Chamaemelum nobile  (L.) All. chamomile
Chamaenerion angustifolium  (L.) Scop. fireweed, rose-bay willow-herb, wickup
Chamelaucium uncinatum  Schauer Geraldton wax flower
Chamelaucium x Verticordia 'Eric John'  
Chamerion  (Raf.) Raf.
Chamerion angustifolium  (L.) Holub
Characeae  
Chelidonium majus  L. greater celandine, swallow-wort
Chelone glabra  L. balmony
Chenopodiaceae  
Chenopodium album  L. fat-hen, goosefoot, lambsquarters
Chenopodium quinoa  Willd. quinoa, quinua
Chiastophyllum oppositifolium  (Ledeb.) A.Berger lamb's-tail
Chimonanthus praecox  (L.) Link Japanese allspice, wintersweet
Chionanthus virginicus  L. old man's beard
Chloris  Sw. windmill grasses
Chloris truncata  R.Br. windmill grss
Chloroxylon swietenia  DC. Ceylon satinwood, satinwood
Chrysanthemoides monilifera  (L.) Norl. bitou bush, boneseed
Chrysanthemum x morifolium  Ramat. mums
Chrysobalanaceae  
Chrysobalanus icaco  L. cocoplum
Chrysophyllum cainito  L. star-apple
Chrysopogon gryllus  (L.) Trin. French whisk
Chrysosplenium oppositifolium  L. golden saxifrage
Chukrasia tabularis  A.Juss. bastard cedar, chickrassy, Chittagong wood, Indian redwood, white cedar, yinma, yonhin
Cibotiaceae  
Cicer arietinum  L. chick pea, garbanzo bean
Cichorium endivia  L. endive
Cichorium endivia Crispum-Gruppen   fraisé
Cichorium endivia Latifolium-Gruppen   escarole
Cichorium intybus  L. blue sailor, chicory, succory, witloof
Cichorium intybus Foliosum-Gruppen   witloof
Cichorium intybus Rosensallat-Gruppen   radicchio
Cicuta virosa  L. cowbane, water hemlock
Cinnamomum aromaticum  Nees bastard cinnamon, Chinese cinnamon
Cinnamomum burmanii  (Nees) Blume Korintji cinnamon
Cinnamomum camphora  (L.) J.Presl camphor, camphor laurel, ho wood
Cinnamomum verum  J.Presl cinnamon
Circaea lutetiana  L. enchanter's nightshade
Cirsium vulgare  (Savi) Ten. bull thistle, spear thistle
Cissampelos pareira  L. false pareira root
Cissus antarctica  Vent. kangaroo vine
Cissus verticillata  (L.) Nicolson & C.E.Jarvis princess vine
Cistaceae  
Cistus  L. rock roses
Citharexylum  L.
Citrullus colocynthis  (L.) Schrad. bitter apple, colocynth
Citrullus lanatus  (Thunb.) Matsum. & Nakai watermelon
Citrus x aurantium Amara-Gruppen   bergamot orange, bigarade, bitter orange, Seville orange
Citrus x aurantium Limetta-Gruppen   limetta, sweetie
Citrus x aurantium Nobilis-Gruppen   tangor
Citrus x aurantium Paradisi-Gruppen   grapefruit
Citrus x aurantium Sinensis-Gruppen   sweet orange
Citrus x aurantium Tangelo-Gruppen  
Citrus glauca  (Lindl.) Burkill desert kumquat
Citrus hystrix  DC. kaffir lime, leech lime, makrut lime
Citrus japonica  Thunb. kumquat
Citrus x junos  Tanaka yuzu
Citrus x latifolia  (Yu.Tanaka) Tanaka Tahitian lime
Citrus x limon  (L.) Osbeck lemon
Citrus x limonia  Osbeck
Citrus maxima  (Burm.) Merr. pamplemousse, pomelo, pompelmous, pummelo, shaddok
Citrus medica  L. cedrat, citron
Citrus medica var. ethrog  Engl. etrog
Citrus medica var. sarcodactylis  (Hoola van Nooten) Swingle Buddha's hand
Citrus x microcarpa  Bunge calamansi, calamondin
Citrus x otaitensis  Risso & Poit.
Citrus reticulata  Blanco mandarin
Citrus reticulata Clementina-Gruppen   clementine
Citrus reticulata Tangerina-Gruppen   tangerine
Citrus reticulata Unshiu-Gruppen   satsuma
Citrus x taitensis  Risso rough lemon
Citrus x tangelo  J.W.Ingram & H.E.Moore
Citrus trifoliata  L.
Cladrastis kentukea  (Dum.Cours.) Rudd Kentucky yellow-wood, yellow ash
Clarkia amoena  (Lehm.) A.Nelson & J.F.Macbr. godetia
Clarkia unguiculata  Lindl. clarkia
Clausena lansium  (Lour.) Skeels wampi
Claytonia perfoliata  Willd. Cuban spinach, miner's lettuce, winter purslane
Claytonia virginica  L. spring beauty
Clematis vitalba  L. old man's beard, traveller's joy
Cleome gynandra  L. cat whiskers T  U 
Cleome hassleriana  Chodat spider flower
Cleome viscosa  L. T  U 
Cleretum bellidiforme  (Burm.f.) G.D.Rowley Livingstone daisy
Clerodendrum chinense  (Osbeck) Mabb. glory bower, Honolulu rose, Lady Nugent's rose
Clerodendrum thomsoniae  Balf. bag flower, bleeding heart
Clethra alnifolia  L. bush pepper
Clethra arborea  Aiton folhado, lily-of-the-valley tree
Clethraceae  
Cleyera ochnacea  DC.
Clianthus puniceus  (G.Don) Lindl. parrot's bill
Clinopodium acinos  (L.) Kuntze basil thyme
Clinopodium menthifolium  (Host) Stace wood calamint
Clintonia  Raf. wood lilies
Clitoria ternatea  L. blue pea, blue vine, butterfly pea T  U 
Clusia rosea  Jacq. balsam fig
Cneoraceae  
Cneorum tricoccon  L. spurge olive
Cnidoscolus chayamansa  McVaugh chaya
Cnidoscolus urens  (L.) Arthur
Coccoloba uvifera  (L.) L. Jamaican kino, seaside grape
Cocculus carolinus  (L.) DC. coral-beads
Cochlearia officinalis  L. scurvy grass
Cocos nucifera  L. coconut
Codariocalyx motorius  (Houtt.) Ohashi semaphore plant, telegraph plant
Codiaeum variegatum  (L.) A.Juss. croton
Codonopsis pilosula ssp. tangshen  (Oliv.) D.Y.Hong tang-shen
Coffea arabica  L. Arabian coffee, arabica coffee
Coffea canephora  A.Froehner Congo coffee, robusta coffee
Coffea liberica  Hiern Abeokuta coffee, Liberian coffee
Coix aquatica  Roxb.
Coix lacryma-jobi  L. Job's tears
Cola acuminata  (P.Beauv.) Schott & Endl. Abata cola
Colchicaceae  
Colchicum autumnale  L. autumn crocus, meadow saffron, naked boys
Coldenia procumbens  L. T  U 
Collinsia heterophylla  Graham Chinese houses
Colocasia esculenta  (L.) Schott aivi, cocoyam, dasheen, imo, kalo, keladi, talas, taro
Colutea arborescens  L. bladder senna
Combretaceae  
Commelinaceae  
Commelinales  Dumort.
Commiphora gileadensis  (L.) C.Chr. Mecca myrrh
Commiphora mukul  (Stocks) Engl.
Commiphora wightii  (Arn.) Bhandari guggul
Conium maculatum  L. hemlock
Connaraceae  
Connarus  L.
Conocarpus erectus  L. buttom mangrove, buttonwood
Convallaria majalis  L. lily-of-the-valley
Convallariaceae  
Convolvulaceae  
Convolvulus arvensis  L. common bindweed, cornbind, field bindweed
Convolvulus scammonia  L. scammony
Copernicia prunifera  (Mill.) H.E.Moore carnauba wax palm, wax palm
Coptis trifolia  (L.) Salisb. cankerberry, gold thread, vegetable gold
Corchorus olitorius  L. Jew's mallow, melokhia, tossa jute
Cordia alliodora  (Ruiz & Pav.) Oken cyp, cypre, Ecuador laurel, salmwood
Cordia dodecandra  DC. ziricote
Cordia goeldiana  Huber freijo
Cordyline  R.Br. cabbage-trees
Cordyline australis  (G.Forst.) Endl. palm lily
Cordyline fruticosa  (L.) A.Chev. happy plant, tanget, ti
Coriandrum sativum  L. Chinese parsley, cilantro, coriander, dhani
Coriariaceae  
Cornaceae  
Cornales  Dumort.
Cornus canadensis  L. bunchberry, crackerberry
Cornus mas  L. Cornelian cherry
Cornus sanguinea  L. dogwood, pegwood, swamp dogwood
Coronilla valentina  L. bastard senna
Coronopus  Zinn
Corrigiola litoralis  L. strapwort
Corylaceae  
Corylus americana  Walter American filbert, American hazel
Corylus avellana  L. hazel
Corylus avellana 'Contorta'   corkscrew hazel
Corylus colurna  L. Turkish hazel
Corymbia citriodora  (Hook.) K.D.Hill & L.A.S.Johnson lemon-scented gum
Corynocarpaceae  
Corynocarpus laevigatus  J.R.Forst. & G.Forst. karaka nut
Corypha umbraculifera  L. talipot
Corypha utan  Lam. gebang
Cosmos bipinnatus  Cav. cosmea
Costaceae  
Cota tinctoria  (L.) J.Gay dyer's chamomile, golden chamomile, yellow chamomile
Cotinus coggygria  Scop. Hungarian sumac, Indian sumac, smoke bush, smoke tree, Turkish sumac, Tyrolean sumac, Venetian sumac, wig tree
Couroupita guianensis  Aubl. cannonball tree
Crambe maritima  L. sea kale
Crassulaceae  
Crataegus azarolus  L. azarole
Crataegus crus-galli  L. cockspur thorn
Crataegus douglasii  Lindl. black haw
Crataegus monogyna  Jacq. white thorn
Crataegus pentagyna  Willd. Chinese haw
Crataegus phaenopyrum  (L.f.) Medik. Washington thorn
Cratoxylum  Blume
Cratoxylum arborescens  (Vahl) Blume geronggang, geronggong
Crescentia cujete  L. calabash tree
Crinodendron hookerianum  Gay T  U 
Crinum  L. Cape lilies
Crithmum maritimum  L. sea samphire
Crocosmia x crocosmiiflora  (Lemoine) N.E.Br. montbretia
Crocus sativus  L. saffron
Crossosomatales  Reveal
Crypteroniaceae  
Cryptocoryne spiralis  (Retz.) Wydler Indian ipecacuanha
Cryptogramma crispa  (L.) Richardson parsley fern
Cryptomeria japonica  (L.f.) D.Don Japanese cedar
Cryptostegia grandiflora  (Roxb.) R.Br. rubber vine T  U 
Cucumis anguria  L. tindori, West Indian gherkin
Cucumis melo  L. melon
Cucumis melo Cantaloupe-Gruppen   cantaloupe
Cucumis melo Flexuosus-Gruppen   snake melon
Cucumis melo Honungsmelon-Gruppen   Chinese melon, honeydew melon
Cucumis melo Reticulatus-Gruppen   muskmelon
Cucumis metuliferus  Naudin horned melon, jelly melon, kiwano
Cucumis sativus  L. cucumber
Cucumis sativus 'Crystal Apple'  A. Yates & Co. 1933 apple cucumber
Cucurbita argyrosperma  C.Huber cushaw, pumpkin, silverseed gourd, winter squash
Cucurbita ficifolia  C.D.Bouché cidra, Malabar gourd, sidra
Cucurbita foetidissima  Kunth buffalo gourd, chilicote
Cucurbita maxima  Duchesne autumn pumpkin, autumn squash, winter pumpkin, winter squash
Cucurbita maxima Turban-Gruppen   Turk's Cap gourd
Cucurbita moschata  (Duchesne) Poir. pumpkin, winter squash
Cucurbita pepo  L. autumn pumpkin, autumn squash, pomion, summer pumpkin, summer squash
Cucurbitaceae  
Cucurbitales  Bercht. & J.Presl
Cullen corylifolium  (L.) Medik. bawchan seed
Cuminum cyminum  L. cumin
Cunninghamia lanceolata  (Lamb.) Hook. Chinese cedar
Cunoniaceae  
Cuphea ignea  A.DC. cigar flower
Cupressales  Link
x Cupressocyparis leylandii  (A.B.Jacks. & Dallim.) Dallim. Leyland cypress
Cupressus  L. cypresses
Cupressus arizonica  Greene Arizona cypress
Cupressus goveniana  Gordon California cypress
Cupressus lusitanica  Mill. Mexican cypress
Cupressus macrocarpa  Gordon Monterey cypress
Cupressus sempervirens Stricta-Gruppen   Italian cypress, pencil pine
Cupressus torulosa  D.Don Himalayan cypress
Cuprocyparis x leylandii  (A.B.Jacks. & Dallim.) Farjon
Curcuma longa  L. turmeric
Curcuma zedoaria  (Christm.) Roscoe zedoary
Curtisiaceae  
Cuscuta  L. devil's guts, dodder
Cuscutaceae  
Cyamopsis tetragonoloba  (L.) Taub. cluster bean, guar, guvar, gwar
Cyanthillium cinereum  (L.) H.Rob. T  U 
Cyatheaceae  
Cyatheales  A.B.Frank
Cycadaceae  
Cycadales  Bercht. & J.Presl
Cyclamen hederifolium  Aiton sowbread
Cyclanthaceae  
Cyclanthales  
Cyclanthera pedata  (L.) Schrad. achocha, acoccha, caigua, korila, stuffing gourd
Cydonia oblonga  Mill. quince
Cymbalaria muralis  P.Gaertn. & al. ivy-leaved toadflax, Kenilworth ivy, mother-of-thousands, Oxford ivy, pennywort, wandering sailor
Cymbopogon citratus  (DC.) Stapf lemon grass
Cymbopogon martinii  (Roxb.) W.Watson ginger grass, palma rosa, rosha, rusha
Cymbopogon nardus  (L.) Rendle citronella, mana grass
Cymbopogon schoenanthus  (L.) Spreng. camel grass
Cynara cardunculus  L. cardoon
Cynara cardunculus Scolymus-Gruppen   French artichoke, globe artichoke
Cynodon dactylon  (L.) Pers. Bahama grass, Burmuda grass, dhob, dhub, doob, kweek grass
Cynoglossum amabile  Stapf & J.R.Drumm. Chinese forget-me-not
Cynoglottis  (Gusul.) Vural & Kit Tan
Cynomoriaceae  
Cynomorium coccineum  L. Maltese mushroom
Cynosurus cristatus  L. crested dog's-tail
Cyperaceae  
Cyperales  
Cyperus alternifolius  L. umbrella-plant
Cyperus esculentus  L. yellow nutsedge
Cyperus papyrus  L. papyrus
Cyperus rotundus  L. coco grass, nutgrass
Cyphostemma juttae  (Dinter & Gilg) Desc. elephant's foot
Cypripediaceae  
Cyrtanthus elatus  (Jacq.) Traub George lily, Knysna lily, Scarborough lily
Cyrtostachys renda  Blume sealing-wax palm
Cytisus scoparius  (L.) Link common broom, European broom, Scotch broom
Daboecia cantabrica  (Huds.) K.Koch Saint Dabeoc's heath
Dacrycarpus dacrydioides  (A.Rich.) de Laub. kahikatea
Dacrydium cupressinum  G.Forst. red pine, rimu
Dacrydium elatum  (Roxb.) Hook. sempilor
Dactylis glomerata  L. cock's-foot
Dactylocladus  Oliv.
Dactylocladus stenostachys  Oliv. jonkong T  U 
Dactyloctenium aegyptium  (L.) Willd. Egyptian grass
Dactylorhiza viridis  (L.) R.M.Bateman& al. frog orchid
Dalbergia cearensis  Ducke kingwood, tulipwood
Dalbergia decipularis  Rizzini & Matt. Brazilian tulipwood
Dalbergia latifolia  DC. Bombay blackwood, Bombay rosewood, Indian blackwood, Indian rosewood
Dalbergia melanoxylon  Guill. & Perr. African blackwood, Mozambique ebony
Dalbergia nigra  Benth. Bahia rosewood, jacaranda, Rio rosewood
Dalbergia retusa  Hemsl. cocobolo
Dalbergia stevensonii  Standl. Honduras rosewood
Danae racemosa  (L.) Moench Alexandrian laurel
Daphne laureola  L. spurge laurel
Daphne mezereum  L. mezereon
Darmera peltata  (Benth.) Voss umbrella plant
Dasiphora fruticosa  (L.) Rydb. widdy
Datiscaceae  
Datura stramonium  L. Jamestown weed, Jimson weed, thorn-apple
Daucus carota ssp. sativus  (Hoffm.) Schübl. & G.Martens carrot
Davallia canariensis  (L.) Sm. hare's-foot fern
Davidia involucrata  Baill. dove-tree, ghost-tree
Davidiaceae  
Decumaria  L.
Delonix regia  (Hook.) Raf. flamboyant, flame-tree, gul mohur, peacock flower
Delphinium semibarbatum  Boiss. zalil
Delphinium staphisagria  L. stavesacre
Dendrobium bigibbum  Lindl. Cocktown orchid
Dendrobium crumenatum  Sw. pigeon orchid
Dendrobium speciosum  Sm. rock lily, rock orchid
Dendrocalamus giganteus  Munro giant bamboo
Dennstaedtiaceae  
Derris elliptica  (Wall.) Benth. derris root, tuba-root
Deschampsia cespitosa  (L.) P.Beauv. tussock-grass
Descurainia sophia  (L.) Prantl flixweed
Desmodium  Desv. beggarweed
Desmoncus orthacanthos  Mart. picmoc
Dianella caerulea  Sims blueberry
Dianthus armeria  L. Deptford pink
Dianthus barbatus  L. Sweet William
Dianthus caryophyllus  L. carnation, clove pink
Dianthus chinensis  L. Chinese pink
Dianthus chinensis Heddewigii-Gruppen   Japanese pink
Dianthus deltoides  L. maiden pink, meadow pink
Dianthus gratianopolitanus  Vill. Cheddar pink
Diapensiaceae  
Dicentra canadensis  (Goldie) Walp. squirrel-corn
Dichroa  Lour.
Dicksoniaceae  
Dicorynia guianensis  Amshoff angelique, basralocus
Dictamnus albus  L. burning bush, dittany
Didiereaceae  
Dieffenbachia  Schott dumb canes
Dierama  K.Koch wandflowers
Diervillaceae  
Digitalis  L. foxgloves
Digitalis lanata  Ehrh. Austrian digitalis
Digitalis purpurea  L. common foxglove, fairy fingers
Digitaria exilis  (Kippist) Stapf acha, fonio, fundi, hungry rice
Digitaria sanguinalis  (L.) Scop. summer grass
Dilleniaceae  
Dilleniales  Bercht. & J.Presl
Dimocarpus longan  Lour. dragon's eyes, longan, longyen
Dionaea muscipula  J.Ellis Venus' flytrap
Dioscorea alata  L. Guyana arrowroot, water yam, white yam
Dioscorea bulbifera  L. acom, acom yam, aerial yam, air potato, Otaheite potato, Otaheite yam
Dioscorea communis  (L.) Caddick & Wilkin black bryony, murraim berries, oxberry
Dioscorea composita  Hemsl. barbasco root
Dioscorea elephantipes  (L'Hér.) Engl. elephant's foot, Hottentot-bread
Dioscorea esculenta  (Lour.) Burkill potato-yam
Dioscorea polystachya  Turcz. Chinese potato, Chinese yam
Dioscorea trifida  L.f. cush-cush, yampee, yampi yam
Dioscoreaceae  
Dioscoreales  R.Br.
Diospyros  L. ebonies
Diospyros blancoi  A.DC. butterfruit, mabola
Diospyros celebica  Bakh. Macassar ebony
Diospyros digyna  Jacq. black sapote
Diospyros ebenum  J.König Ceylon ebony
Diospyros haplostylis  Hiern Madagascar ebony
Diospyros kaki  Thunb. Chinese date, Japanese persimmon, kaki
Diospyros malabarica  (Desr.) Kostel. gaub
Diospyros quaesita  Thwaites calamander wood, Coromandel wood, coromandel-ebenholts
Diospyros virginiana  L. persimmon
Diplarrhena moraea  Labill.
Diploknema butyracea  (Roxb.) H.J.Lam A  T 
Diplotaxis tenuifolia  (L.) DC. Lincoln's weed
Dipsacaceae  
Dipsacales  Bercht. & J.Presl
Dipsacus pilosus  L. shepherd's rod
Dipterocarpaceae  
Dipteryx odorata  (Aubl.) Willd. Tonka bean
Dirca palustris  L. moosewood
Disocactus flagelliformis  (L.) Barthlott rat's-tail
Disphyma crassifolium  (L.) L.Bolus pigface
Distemonanthus benthamianus  Baill. anyaran, ayan, bongassi, bonsamdua, Nigerian satinwood
Distimake tuberosus  Simões & Staples Brazilian jalap
Dodecatheon  L. American cowslip, shooting-star
Dodonaea viscosa  Jacq. akeake, hop-bush
Doronicum  L. leopard's bane
Doryanthaceae  
Doryanthes excelsa  Corrêa gymea lily
Draba verna  L. whitlow-grass
Dracaena  L.
Dracaena braunii  Engl. Chinese water bamboo
Dracocephalum  L. dragonhead
Dracontomelon dao  (Blanco) Merr. & Rolfe dao
Dracophyllum  Labill.
Dracunculus vulgaris  Schott dragon arum
Drimia maritima  (L.) Stearn sea onion, squill
Drimiopsis  Lindl. & Paxton
Drimys winteri  J.R.Forst. & G.Forst. Winter's bark
Drosera  L. sundews
Droseraceae  
Drymaria cordata  (L.) Roem. & Schult. T  U 
Drymocallis  Rydb.
Dryopteris  Adans. buckler ferns, shield ferns
Dryopteris carthusiana  (Vill.) H.P.Fuchs narrow buckler fern
Dryopteris dilatata  (Hoffm.) A.Gray broad buckler fern
Dryopteris filix-mas  (L.) Schott male fern
Duranta erecta  L. golden dewdrop, pigeon-berry
Durio zibethinus  Murray durian
Dypsis decaryi  (Jum.) Beentje triangle palm
Dypsis lutescens  (H.Wendl.) Beentje & J.Dransf. bamboo palm, cane palm
Dysosma  Woodson
Ebenaceae  
Ecballium elaterium  (L.) A.Rich. squirting cucumber
Echinacea  Moench cone flower
Echinocereus  Engelm. hedge-hog cacti
Echinochloa colonum  (L.) Link jungle rice, Shama millet
Echinochloa crus-galli  (L.) P.Beauv. cockspur
Echinochloa esculenta  (A.Braun) H.Scholz Japanese millet, Sanwa millet
Echinochloa frumentacea  (Roxb.) Link barnyard grass, barnyard millet, jungle rice
Echinodorus  Engelm. burhead, sword plant
Echinops  L. globe thistles
Echinops ritro  auct. non L.
Echium plantagineum  L. bugloss, Paterson's curse, Salvation Jane
Echium vulgare  L. viper's bugloss
Edgeworthia chrysantha  Lindl. mitsumata, paperbush
Ehretia microphylla  Lam. Fukien tea
Eichhornia crassipes  (Mart.) Solms water-hyacinth
Elaeagnaceae  
Elaeagnus angustifolia  L. Russian olive, Trebizond date
Elaeis guineensis  Jacq. oil palm
Elaeis oleifera  (Kunth) Cortés American oil palm
Elaeocarpaceae  
Elatinaceae  
Eleocharis dulcis  (Burm.f.) Hensch. Chinese water chestnut, water chestnut
Elettaria cardamomum  (L.) Maton cardamom
Eleusine coracana  (L.) Gaertn. coracan, finger millet, kurakkan, ragi
Eleusine indica  (L.) Gaertn. yardgrass
Eleutherococcus senticosus  (Rupr. & Maxim.) Maxim. Siberian ginseng
Ellisia nyctelea  (L.) L. Aunt Lucy
Ellisiophyllum pinnatum  (Benth.) Makino T  U 
Elodea canadensis  Michx. American waterweed, Canadian pondweed, Canadian waterweed
Elsholtzia ciliata  (Thunb.) Hyl. Vietnamese balm
Elymus repens  (L.) Gould couch, twitch grass, witch grass
Embothrium coccineum  J.R.Forst. & G.Forst. Chilean firebush T  U 
Emex spinosa  (L.) Campd. Cape spinach
Emilia  Cass. Flora's paintbrush
Empetraceae  
Empetrum nigrum  L. crowberry, curlew berry
Ensete ventricosum  (Welw.) Cheesman enset
Entada rheedii  Spreng. Queensland bean
Entandrophragma angolense  (Welw.) C.DC. edinam, gedu nohor
Entandrophragma candollei  Harms omu
Entandrophragma cylindricum  (Sprague) Sprague aboudikro
Entandrophragma utile  (Dawe & Sprague) Sprague assié, utile
Entelea arborescens  R.Br. T  U 
Epacridaceae  
Ephedra trifurca  S.Watson Mormon tea
Ephedraceae  
Epilobium hirsutum  L. codlins and cream
Epimedium alpinum  L. barrenwort
Epipremnum aureum  (Linden & André) G.S.Bunting money plant
Equisetaceae  
Equisetales  Bercht. & J.Presl
Equisetum  L. horsetails
Eragrostis curvula  (Schrad.) Nees African lovegrass, weeping lovegrass
Eragrostis tef  (Zuccagni) Trotter t'ef, teff
Eranthis  Salisb. winter aconites
Eremurus  M.Bieb. foxtail lilies, giant asphodels
Erica  L. heaths
Erica arborea  L. tree heath
Erica ciliaris  L. Dorset heath
Ericaceae  
Ericales  Bercht. & J.Presl
Erigeron  L. fleabanes
Erigeron annuus  (L.) Pers. daisy fleabane
Erinacea anthyllis  Link hedgehog broom
Eriobotrya japonica  (Thunb.) Lindl. Japanese medlar, loquat, nispero
Eriocaulaceae  
Eriocaulales  
Eritrichium  Gaudin American forget-me-nots
Erodium  L'Hér. storksbills
Eruca vesicaria ssp. sativa  (Mill.) Thell. arugala, garden rocket, jamba, salad rocket
Eryngium aquaticum  L. rattlesnakemaster
Eryngium campestre  L. eryngo, eryngo root
Eryngium foetidum  L. cilantro, fitweed
Eryngium giganteum  M.Bieb. Miss Willmott's ghost
Eryngium maritimum  L. sea holly
Erysimum asperum  (Nutt.) DC. western wallflower
Erysimum cheiranthoides  L. treacle mustard
Erysimum cheiri  (L.) Crantz wallflower
Erysimum x marshallii  (Henfr.) Bois Siberian wallflower
Erysimum perofskianum  Fisch. & C.A.Mey. T  U 
Erythranthe moschata  Lindl.) G.L.Nesom & Fraga musk plant
Erythrina  L. coral trees
Erythrina herbacea  L. Cherokee bean
Erythronium americanum  Ker Gawl. amberell, trout lily
Erythronium californicum  Purdy fawn lily
Erythronium dens-canis  L. dog's-tooth violet
Erythroxylaceae  
Erythroxylum coca  Lam. coca
Escalloniaceae  
Eschscholzia californica  Cham. California poppy
Etlingera elatior  (Jack) R.M.Sm. torch ginger
Eucalyptus bridgesiana  R.T.Baker apple box
Eucalyptus camaldulensis  Dehnh. Murray red gum, red gum, river red gum
Eucalyptus cinerea  Benth. Argyle apple
Eucalyptus deglupta  Blume kamarere
Eucalyptus diversicolor  F.Muell. karri
Eucalyptus forrestiana  Diels fuchsia mallee
Eucalyptus globulus  Labill. blue gum, fever tree
Eucalyptus grandis  Maiden flooded gum, rose gum
Eucalyptus gunnii  Hook.f. cider gum, cider tree
Eucalyptus macrorhyncha  Benth. red stringybark
Eucalyptus marginata  Sm. jarrah
Eucalyptus melliodora  Schauer yellow box
Eucalyptus obliqua  L'Hér. messmate
Eucalyptus pauciflora  Spreng. white Sally
Eucalyptus pauciflora ssp. niphophila  (Maiden & Blakely) L.A.S.Johnson & Blaxell snow gum
Eucalyptus pilularis  Sm. blackbutt
Eucalyptus resinifera  Sm. red mahogany
Eucalyptus robusta  Sm. swamp mahogany, white mahogany
Eucalyptus saligna  Sm. saligna, Sydney blue gum
Eucalyptus tereticornis  Sm. forest red gum, forest river gum
Eucomis  L'Hér. pineapple lilies
Eucommiaceae  
Eucommiales  
Eugenia brasiliensis  Lam. grumichama
Eugenia uniflora  L. Cayenne cherry, pitanga, Surinam cherry
Euonymus atropurpureus  Jacq. Indian arrow wood
Euonymus europaeus  L. louseberry, spindle-tree
Eupatorium cannabinum  L. hemp agrimony
Eupatorium perfoliatum  L. boneset
Euphorbia amygdaloides  L. wood spurge
Euphorbia amygdaloides ssp. robbiae  (Turrill) Stace Mrs Robb's bonnet
Euphorbia antisiphilitica  Zucc. candelilla
Euphorbia cyparissias  L. cypress spurge
Euphorbia hirta  L. asthma plant, asthma weed
Euphorbia ipecacuanhae  L. ipecacuanha spurge
Euphorbia lathyris  L. caper spurge, mole plant
Euphorbia marginata  Pursh snow-on-the-mountain
Euphorbia milii  Des Moul. crown of thorns
Euphorbia peplus  L. petty spurge
Euphorbia pulcherrima  Klotzsch poinsettia
Euphorbia tithymaloides  L. bird cactus
Euphorbiaceae  
Euphorbiales  
Euphrasia officinalis  L. sensu lato eyebright
Eurycoma longifolia  Jack tongkat ali
Eusideroxylon zwageri  Teijsm. & Binn. belian, billian, Borneo ironwood
Eustoma russelianum  (Hook.) G.Don lisianthus, prairie gentian
Euterpe edulis  Mart. açai, assai
Eutrema japonicum  (Miq.) Koidz. wasabi
Euxylophora paraensis  Huber Brazilian satinwood
Exacum affine  Regel Arabian violet, Persian violet
Fabales  Bromhead
Fabiana imbricata  Ruiz & Pav. pichi
Fagaceae  
Fagales  Engl.
Fagopyrum esculentum  Moench buckwheat
Fagopyrum tataricum  (L.) Gaertn. Kangra buckwheat, Siberian buckwheat, Tartary buckwheat
Fagus  L. beeches
Fagus grandifolia  Ehrh. American beech
Fagus sylvatica  L. beech, European beech
Fagus sylvatica 'Dawyck'   Dawyck beech
Fagus sylvatica ssp. orientalis  (Lipsky) Greuter & Burdet Oriental beech, Turkish beech
Fagus sylvatica 'Pendula'   weeping beech
Fagus sylvatica Purpurbladiga Gruppen   copper beech, purple beech
Fallopia baldschuanica  (Regel) Holub Russian vine
Fallopia convolvulus  (L.) Á.Löve black bindweed
Farfugium japonicum 'Aureomaculatum'   leopard plant
Fedia cornucopiae  (L.) Gaertn. horn of plenty
Felicia bergeriana  (Spreng.) O.Hoffm. kingfisher daisy
Fenestraria rhopalophylla  (Schltr. & Diels) N.E.Br.
Feronia elephantum  Corrêa
Ferula communis  L. giant fennel
Festuca  L. blue grass, fescues
Festuca brevipila  R.Tracey hard fescue
Festuca filiformis  Pourr. hair fescue
Festuca ovina  L. sheep's fescue
Festuca pratensis  Huds. meadow fescue
Festuca rubra  L. red fescue
Ficaria verna  Huds. celandine, pilewort
Ficus  L. figs
Ficus benghalensis  L. banyan
Ficus benghalensis 'Krishnae'  
Ficus benjamina  L. Banjamin tree, Java fig, weeping fig
Ficus carica  L. common fig
Ficus elastica  Hornem. Indian rubber tree, rubber plant
Ficus lyrata  Warb. fiddle-leaf fig
Ficus pumila  L. climbing fig
Ficus religiosa  L. bo tree, bodhi tree, peepul, pipal, pipul
Ficus rubiginosa  Vent. Port Jackson fig
Ficus sycomorus  L. mulberry fig, sycamore
Filipendula ulmaria  (L.) Maxim. meadowsweet
Filipendula vulgaris  Moench dropwort
Flacourtiaceae  
Fleroya  Y.F.Deng
Fleroya stipulosa  (DC.) Y.F.Deng abura
Foeniculum vulgare  Mill. fennel
Foeniculum vulgare Azoricum-Gruppen   anise, Florence fennel
Fontanesia phillyraeoides ssp. fortunei  (Carrière) Hegi
Fouquieria columnaris  (Kellogg) Curran boojum tree, cirio
Fouquieria splendens  Engelm. coachwhip, ocotillo
Fouquieriaceae  
Fragaria moschata  Weston hautbois, hautboy
Fragaria vesca  L. common strawberry
Fragaria vesca 'Monophylla'  
Fragaria vesca 'Muricata'   Plymouth strawberry
Fragaria vesca var. semperflorens  (Rozier) Sm. alpine strawberry
Francoa sonchifolia  (Willd.) Cav. bridal wreath, wedding flower T  U 
Francoaceae  
Frangula alnus  Mill. alder buckthorn
Frangula purshiana  (DC.) J.G.Cooper cascara sagrada
Frankeniaceae  
Fraxinus  L. ash
Fraxinus americana  L. American ash, Canadian ash, white ash
Fraxinus excelsior  L. common ash, European ash
Fraxinus nigra  Marshall alpine ash, American ash, black ash, brown ash, Canadian ash, white ash
Fraxinus ornus  L. flowering ash, manna ash
Fraxinus pennsylvanica  Marshall American ash, Canadian ash, green ash, red ash, white ash
Fridericia chica  (Bonpl.) L.G.Lohmann chica
Fritillaria camschatcensis  (L.) Ker Gawl. black sarana
Fritillaria imperialis  L. crown imperial
Fritillaria meleagris  L. guinea flower, snake's head
Fumariaceae  
Furcraea foetida  (L.) Haw. Mauritius hemp
Gagea lutea  (L.) Ker Gawl. yellow star-of-Bethlehem
Galanthus  L. snowdrops
Galax urceolata  (Poir.) Brummitt beetleweed
Galega officinalis  L. goat's rue
Galeopsis  L. hemp nettles
Galium  L. bedstraws
Galium aparine  L. cleavers, goose-grass, kisses, sticky bobs, sticky willy, sweethearts
Galium odoratum  (L.) Scop. woodruff
Galium verum  L. lady's bedstraw
Galtonia  Decne.
Galtonia candicans  (Baker) Decne. berg lily, summer hyacinth
Garcinia gummi-gutta  (L.) N.Robson brindleberry
Garcinia mangostana  L. mangosteen
Gardenia jasminoides  J.Ellis Cape jasmine
Garrya elliptica  Lindl. fever bush
Garryaceae  
Garryales  Lindl.
Gaultheria procumbens  L. checkerberry, partridge berry
Gaultheria shallon  Pursh salal, shallon
Gaylussacia  Kunth huckleberries
Gelsemiaceae  
Gelsemium  Juss. allspice jasmine
Genipa americana  L. genip, genipa
Genista  L. brooms
Genista anglica  L. needle furze, needle whin, petty whin
Genista tinctoria  L. dyer's greenweed
Gentiana lutea  L. yellow gentian
Gentiana pneumonanthe  L. marsh gentian
Gentianaceae  
Gentianales  Bercht. & J.Presl
Gentianella campestris  (L.) Börner felwort, field gentian
Geogenanthus poeppigii  (Miq.) Faden seersucker plant
Geraniaceae  
Geraniales  Bercht. & J.Presl
Geranium  L. cranesbills
Geranium lucidum  L. shining cranesbill
Geranium phaeum  L. black widow, mourning widow
Geranium pratense  L. meadow cranesbill
Geranium robertianum  L. Herb Robert
Geranium sanguineum  L. bloody cranesbill
Gesneriaceae  
Geum  L. avens
Geum rivale  L. water avens
Geum urbanum  L. herb Bennet, wood avens
Gillenia stipulata  (Willd.) Baill. American ipecacuanha
Gillenia trifoliata  (L.) Moench Bowman's root
Ginkgo biloba  L. maidenhair tree
Ginkgoaceae  
Ginkgoales  Gorozh.
Gladiolus communis  L. whistling jacks'
Glandularia x hybrida  (Groenl. & Rümpler) G.L.Nesom & Pruski garden verbena
Glaucidiaceae  
Glaucium flavum  Crantz horned poppy, sea poppy
Glaux maritima  L. saltwort, sea milkwort
Glebionis coronaria  (L.) Spach crown daisy
Glebionis segetum  (L.) Fourr. corn marigold
Glechoma hederacea  L. alehoof, ground ivy
Gleicheniaceae  
Gleicheniales  Schimp.
Globulariaceae  
Gloriosa superba  L. flame lily
Glyceria fluitans  (L.) R.Br. manna grass, sweet grass
Glycine max  (L.) Merr. soy, soya bean
Glycyrrhiza glabra  L. licorice, liquorice
Gmelina arborea  Roxb. gamar, yemani
Gnetaceae  
Gnetum gnemon  L. melindjo
Gomphrena globosa  L. globe amaranth
Gonialoe variegata  (L.) Boatwr. & J.C.Manning partridge-breasted aloe
Gonioma kamassi  E.Mey. kamassi
Gonystylus bancanus  (Miq.) Kurz ramin
Goodeniaceae  
Gordonia lasianthus  (L.) J.Ellis black laurel, loblolly bay
Gossweilerodendron balsamiferum  (Vermoesen) Harms agba, tola wood
Gossypium arboreum  L. tree cotton
Gossypium barbadense  L. Peruvian cotton, Sea Island cotton
Grammatophyllum speciosum  Blume tiger orchid
Gratiola officinalis  L. hedge hyssop
Grevillea robusta  R.Br. silky oak
Griseliniaceae  
Grossulariaceae  
Guarea guidonia  (L.) Sleumer acajou, alligator wood, West Indian redwood
Guibourtia arnoldiana  (De Wild. & T.Durand) J.Léonard benge
Guibourtia demeusii  (Harms) J.Léonard African rosewood, bubinga, Congo copal
Guibourtia ehie  (A.Chev.) J.Léonard amazakoué, anokye, shedua
Guilandina bonduc  L. bonduc, nicker bean
Guizotia abyssinica  (L.f.) Cass. Niger seed, ramtil
Gunneraceae  
Gunnerales  Reveal
Guttiferae  
Guttiferales  
Gymnadenia conopsea  (L.) R.Br. scented orchid
Gymnocarpium dryopteris  (L.) Newman oak fern
Gymnocladus dioicus  (L.) K.Koch chicot, Kentucky coffee tree
Gymnocoronis spilanthoides  DC. Senegal tea
Gynandriris sisyrinchium  (L.) Parl.
Gypsophila paniculata  L. baby's breath
Haberlea rhodopensis 'Ferdinandi-Coburgi'  
Habranthus tubispathus  (L'Hér.) Traub Barbados snowdrop
Hackelia  Opiz
Haemanthus  L. blood lilies
Haematoxylum campechianum  L. campeachy wood, campeche, logwood
Haemodoraceae  
Haemodorales  
Halesia carolina  L. opossumwood, silver bell, snowdrop tree
Halleria lucida  L. African honeysuckle
Haloragaceae  
Haloragidaceae  
Haloragidales  
Hamamelidaceae  
Hamamelis  L. witch hazels
Hamelia patens  Jacq. fire bush
Hammarbya paludosa  (L.) Kuntze bog orchid
Handroanthus impetiginosus  (DC.) Mattos pau d'arco
Hardenbergia violacea  (Schneev.) Stearn false sarsaparilla
Harpagophytum procumbens  (Burch.) DC. devil's claw, grapple plant
Harpephyllum caffrum  C.Krauss kaffir plum
Hedeoma pulegioides  (L.) Pers. American pennyroyal
Hedera canariensis  Willd. Canary ivy
Hedera colchica  (K.Koch) K.Koch Persian ivy
Hedera hibernica  (G.Kirchn.) Carrière Atlantic ivy, Irish ivy
Hedychium coronarium  J.König butterfly lily
Hedychium gardnerianum  Roscoe kahili ginger
Hedyscepe canterburyana  (C.Moore & F.Muell.) H.Wendl. & Drude umbrella palm
Helenium amarum  (Raf.) H.Rock bitterweed
Helenium autumnale  L. sneezeweed
Helianthemum  Mill. rock-roses
Helianthus  L. sunflowers
Helianthus annuus  L. common sunflower
Helianthus tuberosus  L. Jerusalem artichoke
Helichrysum petiolare  Hilliard & B.L.Burtt licorice plant, liquorice plant
Heliconia bihai  (L.) L. balisier
Heliconiaceae  
Heliosperma  (Rchb.) Rchb.
Heliotropium arborescens  L. cherry pie, heliotrope
Helleborus  L. hellebores
Helleborus foetidus  L. bear's-foot, setterwort, stinking hellebore, stinkwort
Helleborus niger  L. black hellebore, Christmas rose
Helleborus orientalis  Lam. Lenten rose
Helleborus viridis  L. green hellebore
Helminthotheca  Vaill.
Helminthotheca echioides  (L.) Holub oxtongue
Helwingiaceae  
Hemerocallis  L. daylilies
Heracleum mantegazzianum  Sommier & Levier giant hogweed
Heracleum sphondylium  L. hogweed
Heritiera  Aiton
Heritiera utilis  (Sprague) Sprague niangon
Herniaria glabra  L. herniary, rupturewort
Hesperantha coccinea  (Backh. & Harv.) Goldblatt & J.C.Manning kaffir lily
Hesperis matronalis  L. dame's rocket, dame's violet
Heteropogon contortus  (L.) Roem. & Schult. tanglehead T  U 
Heteropsis flexuosa  (Kunth) G.S.Bunting nibi
Heuchera sanguinea  Engelm. coralbells
Hevea brasiliensis  (A.Juss.) Müll.Arg. natural rubber, Pará rubber
Hibbertia scandens  (Willd.) Dryand. snake climber
Hibiscus cannabinus  L. Ambari hemp, Bimlipatum jute, Deccan hemp, kenaf
Hibiscus heterophyllus  Vent. rosella
Hibiscus mutabilis  L. Confederate rose
Hibiscus rosa-sinensis  L. China rose, Chinese hibiscus, shoe-flower
Hibiscus sabdariffa  L. Jamaica sorrel, red sorrel, roselle
Hibiscus syriacus  L. rose-of-Sharon
Hibiscus tiliaceus  L. hau
Hieracium  L. hawkweed
Hierochloe odorata  (L.) P.Beauv. holy grass
Hippeastrum  Herb. amaryllis
Hippeastrum x johnsonii  (Gowen) Herb.
Hippeastrum puniceum  (Lam.) Kuntze Barbados lily, fire lily
Hippeastrum rutilum  (Ker Gawl.) Herb.
Hippeastrum striatum  (Lam.) H.E.Moore
Hippocastanaceae  
Hippocrepis comosa  L. horseshoe vetch
Hippocrepis emerus  (L.) Lassen scorpion senna
Hippomane mancinella  L. manchineel
Hippophae rhamnoides  L. sallow thorn, sea buckthorn
Hippuridaceae  
Hippuris vulgaris  L. mare's tail
Holarrhena pubescens  (Buch.-Ham.) G.Don conessi, kurchi
Holcus lanatus  L. Yorkshire fog
Holmskioldia sanguinea  Retz. cap-and-saucer plant, Chinese hat plant
Homalanthus nutans  (G.Forst.) Guill. mamala
Honckenya peploides  (L.) Ehrh. sea purslane
Hordeum  L. barley
Hordeum secalinum  Schreb. meadow barley
Hordeum vulgare Distichon-Gruppen   two-rowed barley
Hordeum vulgare Hexastichon-Gruppen   four-rowed barley, six-rowed barley
Hosta  Tratt.
Hostaceae  
Hottonia palustris  L. water violet
Houstonia caerulea  L. bluets, innocence
Houttuynia cordata  Thunb. fish plant
Howea forsteriana  (C.Moore & F.Muell.) Becc. kentia
Hovenia dulcis  Thunb. Chinese raisin tree, Japanese raisin tree
Hoya  R.Br. wax flowers, wax plant
Huerteales  Doweld
Humulus japonicus  Siebold & Zucc. Japanese hop
Humulus lupulus  L. hop
Hura crepitans  L. huru
Hyacinthaceae  
Hyacinthoides  Fabr. bluebells
Hyacinthoides hispanica  (Mill.) Rothm. Spanish bluebell
Hyacinthoides non-scripta  (L.) Rothm. bluebell, English bluebell
Hyacinthus orientalis  L. hyacinth
Hybanthus calceolaria  (L.) Oken white ipecacuanha A  T  U 
Hydatellales  
Hydrangea macrophylla  (Thunb.) Ser. hortensia
Hydrangeaceae  
Hydrastis canadensis  L. golden seal, turmeric root, yellow root
Hydrocharis morsus-ranae  L. frog-bit
Hydrocharitaceae  
Hydrophyllaceae  
Hygrophila difformis  (L.f.) Blume water wisteria
Hylocereus undatus  (Haw.) Britton & Rose dragon fruit, dragon's fruit
Hylotelephium telephium  (L.) H.Ohba live-forever, orpine
Hymenaea courbaril  L. anamé gum, Brazilian cherry, Brazilian copal, West Indian locust
Hymenophyllaceae  
Hymenophyllales  A.B.Frank
Hymenoxys hoopesii  (A.Gray) Bierner sneezeweed
Hyoscyamus niger  L. henbane
Hypericaceae  
Hypericum androsaemum  L. tutsan
Hypericum calycinum  L. rose of Sharon
Hypericum perforatum  L. Klamath weed
Hyphaene thebaica  (L.) Mart. dom palm, doum palm, gingerbread palm
Hypoestes phyllostachya  Baker polka-dot plant
Hypoxidaceae  
Hyssopus officinalis  L. hyssop
Iberis  L. candytuft
Iberis umbellata  L. florist's candytuft
Icacinaceae  
Ilex  L. hollies
Ilex aquifolium  L. European holly, holly
Ilex cassine  L. dahoon
Ilex glabra  (L.) A.Gray gallberry, inkberry
Ilex verticillata  (L.) A.Gray feverbark
Illecebraceae  
Illiciaceae  
Illiciales  
Illicium anisatum  L. Japanese star anise
Illicium floridanum  J.Ellis purple anise, tree anise
Illicium verum  Hook.f. Chinese star anise, star anise
Impatiens  L. balsams, jewel-weed, touch-me-not
Impatiens balsamina  L. garden balsamin
Impatiens glandulifera  Royle policeman's helmet
Impatiens walleriana  Hook.f. busy lizzie, sultan's flower
Imperata cylindrica  (L.) P.Beauv. alang-alang, blady grass, cogon grass, cotton grass, kunai, lalang
Indigofera  L. indigo
Inga vera  Willd. guaba
Intsia bijuga  (Colebr.) Kuntze Borneo teak, kwila
Intsia palembanica  Miq. Borneo teak, Malacca teak, merbau
Inula conyzae  (Griess.) Meikle ploughman's spikenard
Inula crithmoides  L. golden samphire
Inula helenium  L. elecampane
Ionopsidium acaule  (Desf.) Rchb. violet cress
Ipomoea alba  L. moonflower
Ipomoea aquatica  Forssk. en choy, hung choy, kangkong, ong tsoi, water spinach
Ipomoea batatas  (L.) Lam. Brazilian arrowroot, sweet potato, yam
Ipomoea x multifida  (Raf.) Shinners cardinal climber
Ipomoea purga  (Wender.) Hayne jalap
Ipomoea purpurea  (L.) Roth morning glory
Ipomoea quamoclit  L. cupid flower
Iriartea deltoidea  Ruiz & Pav. paxiuba
Iridaceae  
Iridales  
Iris domestica  (L.) Goldblatt & Mabb. leopard lily
Iris ensata  Thunb. Japanese iris
Iris foetidissima  L. gladdon, gladwin, gladwyn, stinking gladwin, stinking iris
Iris x hollandica  Bergmans Dutch iris
Iris latifolia  (Mill.) Voss English iris
Iris pseudacorus  L. water flag, yellow flag
Iris Regeliocyclus-Gruppen  
Iris tuberosa  L. snake's head iris
Iris versicolor  L. blue flag
Iris xiphium  L. Spanish iris
Isatis tinctoria  L. woad
Ismene narcissiflora  (Jacq.) M.Roem. basket flower
Isoetaceae  
Isoetales  Prantl
Isolepis cernua  (Vahl) Roem. & Schult. Dougal grass, optical fibre plant
Iteaceae  
Ixanthus viscosus  (Aiton) Griseb. T  U 
Ixia  L. African corn lilies, corn lilies
Ixioliriaceae  
Ixiolirionaceae  
Ixora coccinea  L. flame flower
Jacobaea maritima  (L.) Pelser & Meijden dusty miller
Jacobaea vulgaris  Gaertn. ragwort, stinking Willie
Jasione montana  L. sheep's-bit
Jasminum  L. jasmine, jessamine
Jasminum grandiflorum  L. Catalonian jasmine, Spanish jasmine
Jasminum mesnyi  Hance yellow jasmine
Jasminum nudiflorum  Lindl. winter jasmine
Jasminum officinale  L. common jasmine
Jasminum sambac  (L.) Sol. Arabian jasmine, bela, beli, zambac
Jasminum sambac 'Grand Duke of Tuscany'  
Jateorhiza palmata  (Lam.) Miers calumba, colomba, columba
Joannesia princeps  Vell. araranut tree
Jubaea chilensis  (Molina) Baill. Chilean wine-palm, coquito, honey-palm
Juglandaceae  
Juglandales  
Juglans  L. walnuts
Juglans ailantifolia  Carrière Japanese walnut
Juglans cinerea  L. butternut
Juglans hindsii  R.E.Sm. claro walnut
Juglans mandshurica  Maxim. Manchurian walnut
Juglans nigra  L. American walnut, black walnut
Juglans regia  L. Black Sea walnut, English walnut, European walnut, Persian walnut
Juncaceae  
Juncaginaceae  
Juncales  
Juncus  L. rushes
Juncus bufonius  L. toad rush
Juniperus  L. junipers
Juniperus bermudiana  L. Barbados cedar, Bermuda cedar
Juniperus communis  L. common juniper, juniper
Juniperus drupacea  Labill. plum juniper
Juniperus procera  Endl. East African cedar
Juniperus sabina  L. savin
Juniperus scopulorum  Sarg. Rocky Mountain cedar, Rocky Mountain juniper
Juniperus virginiana  L. pencil cedar, red cedar, Virginian pencil cedar
Justicia adhatoda  L. adhatoda
Justicia brandegeana  Wassh. & L.B.Sm. lobster-plant, shrimp-plant
Kaempferia galanga  L. galanga
Kalanchoe daigremontiana  Raym.-Hamet & H.Perrier flopper
Kalanchoe pinnata  (Lam.) Pers. air plant
Kalmia  L. American laurel
Kalmia angustifolia  L. lambkill, pig laurel, sheep laurel
Kalmia latifolia  L. calico bush, mountain laurel
Kalmia polifolia  Wangenh. bog laurel
Kalmia procumbens  (L.) Galasso & al. alpine azalea
Kennedia nigricans  Lindl. black bean
Khaya anthotheca  (Welw.) C.DC. African mahogany
Khaya grandifoliola  C.DC. Benin mahogany
Khaya madagascariensis  Jum. & H.Perrier Madagascar mahogany
Khaya senegalensis  (Desr.) A.Juss. bisselon
Kigelia africana  (Lam.) Benth. sausage-tree
Kleinhovia hospita  L. dange
Knautia arvensis  (L.) Coult. field scabious
Kniphofia  Moench red-hot pokers, torch lilies
Koelreuteria paniculata  Laxm. golden rain, pride of India
Koenigia  L.
Koenigia islandica  L. T  U 
Kolkwitzia amabilis  Graebn. beautybush
Koompassia malaccensis  Benth. kempas
Krameriaceae  
Kummerowia striata  (Thunb.) Schindl. Japanese clover
Kunzea ericoides  (A.Rich.) J.Thomps. burgan
Kunzea pomifera  F.Muell. muntries
Lablab purpureus  (L.) Sweet bonavist, hyacinth bean, lablab
Laburnum anagyroides  Medik. golden chain, golden rain
Lachenalia  Murray Cape cowslip
Lachenalia aloides  (L.f.) Asch. & Graebn. Cape cowslip
Lactuca alpina  (L.) A.Gray alpine sow-thistle
Lactuca muralis  (L.) G.Mey. wall lettuce
Lactuca sativa  L. lettuce
Lactuca sativa Asparagina-Gruppen   asparagus lettuce, celtuce lettuce, stem lettuce
Lactuca serriola  L. prickly lettuce
Lactuca virosa  L. opium lettuce
Lagarostrobus franklinii  (Hook.f.) Quinn Huon pine
Lagenaria siceraria  (Molina) Standl. bottle gourd, calabash gourd
Lagerstroemia indica  L. crape myrtle, crepe flower, crepe myrtle
Lagerstroemia speciosa  (L.) Pers. pride-of-India, pyinma, queen-flower
Lambertia formosa  Sm. honey flower
Lamiaceae  
Lamiales  Bromhead
Lamium album  L. white dead nettle
Lamium amplexicaule  L. henbit
Lamium galeobdolon  (L.) Crantz yellow archangel
Lamium purpureum  L. red dead nettle
Lamprocapnos spectabilis  (L.) Fukuhara bleeding hearts, Dutchman's breeches
Lancea tibetica  Hook.f. & Thomson depgul
Lansium domesticum  Corrêa langsat
Lansium domesticum Duku-Gruppen   duku
Lapageria rosea  Ruiz & Pav. Chilean bellflower
Laportea canadensis  (L.) Wedd. wood nettle
Lapsana communis  L. nipplewort
Lardizabalaceae  
Larix  Mill. larches
Larix decidua  Mill. common larch, European larch
Larix kaempferi  (Lamb.) Carrière Japanese larch
Larix laricina  (Du Roi) K.Koch American larch, hackmatack, tamarack, tamarack larch
Larix x marschlinsii  Coaz Dunkeld larch, hybrid larch
Larrea tridentata  (DC.) Coville creosote bush
Lathraea squamaria  L. toothwort
Lathyrus  L. vetchlings
Lathyrus aphaca  L. yellow vetchling
Lathyrus japonicus ssp. maritimus  (L.) P.W.Ball beach pea, sea pea
Lathyrus odoratus  L. sweet pea
Lathyrus pratensis  L. common vetchling, meadow vetchling
Lathyrus sativus  L. dogtooth pea, Indian pea, khesari, Riga pea
Lathyrus tingitanus  L. Tangier pea
Laurales  Bercht. & J.Presl
Laurus canariensis  Webb & Berthel. non Willd.
Laurus nobilis  L. bay laurel, bay tree, laurel, sweet bay, true laurel
Lavandula  L. lavender
Lavandula angustifolia  Mill. English lavender
Lavandula x intermedia  Loisel. Dutch lavender, lavandin
Lavandula stoechas  L. French lavender, Spanish lavender
Laxmanniaceae  
Layia platyglossa  (Fisch. & C.A.Mey.) A.Gray tidy-tips
Lecythidaceae  
Lecythidales  
Leeaceae  
Legousia hybrida  (L.) Delarbre Venus's-looking-glass
Leiophyllum  R.Hedw. sand myrtle
Lemna  L. duckmeat, duckweed
Lemnaceae  
Lens culinaris  Medik. lentil, masur
Lentibulariaceae  
Leontopodium nivale ssp. alpinum  (Cass.) Greuter edelweiss
Leonurus cardiaca  L. motherwort
Leopoldinia piassaba  Wallace piassaba palm
Lepidium coronopus  (L.) Al-Shehbaz wart cress
Lepidium latifolium  L. dittander
Lepidium meyenii  Walp. maca
Lepidium sativum  L. common cress, cress, garden cress, Greek cress
Leptospermum scoparium  J.R.Forst. & G.Forst. manuka
Leucaena leucocephala  (Lam.) de Wit lead tree
Leucanthemum x superbum  (Bergmans) D.H.Kent Shasta daisy
Leucanthemum vulgare  Lam. dog daisy, marguerite, moon daisy, oxeye daisy
Leucocoryne ixioides  (Hook.) Lindl. glory of the sun
Leucojum  L. snowflakes
Leucojum aestivum  L. summer snowflake
Leucojum vernum  L. spring snowflake
Leucophyta brownii  Cass. cushion bush
Lewisia rediviva  Pursh bitter root
Levisticum officinale  W.D.J.Koch bladderseed, lovage
Leycesteria formosa  Wall. Himalayan honeysuckle
Leymus arenarius  (L.) Hochst. lyme grass
Liatris  Schreb. gayfeather
Liatris spicata  (L.) Willd. Kansas gayfeather
Ligustrum  L. privets
Ligustrum lucidum  Aiton glossy privet
Ligustrum sinense  Lour. Chinese privet
Ligustrum vulgare  L. common privet, European privet
Liliaceae  
Liliales  Perleb
Lilium  L. lilies
Lilium bulbiferum  L. orange lily
Lilium canadense  L. Canada lily
Lilium candidum  L. Bourbon lily, madonna lily
Lilium lancifolium  Thunb. tiger lily
Lilium longiflorum 'Eximium'   Bermuda lily, Easter lily, November lily
Lilium martagon  L. Turk's-cap lily
Lilium regale  E.H.Wilson Christmas lily, royal lily
Lilium superbum  L. Turk's-cap lily
Limnanthaceae  
Limnanthes douglasii  R.Br. meadow foam, poached egg flower
Limnobium spongia  (Bosc) Steud. American frogbit
Limnocharitaceae  
Limnophila aromatica  (Lam.) Merr. rice paddy herb
Limonia acidissima  L. elephant apple, wood apple
Limosella aquatica  L. mudwort
Linaceae  
Linales  
Linaria  Mill. toadflax
Linaria vulgaris  Mill. butter-and-eggs, common toadflax
Lindera benzoin  (L.) Blume spice bush
Linderniaceae  
Linnaea borealis  L. twinflower
Linnaeaceae  
Linum catharticum  L. fairy flax, purging flax
Linum grandiflorum  Desf. flowering flax
Linum narbonense  L. blue flax
Linum usitatissimum  L. common flax
Liparis loeselii  (L.) Rich. fen orchid
Liquidambar styraciflua  L. American red gum, sweet gum
Liriodendron tulipifera  L. tulip poplar, tulip tree
Listera  R.Br.
Litchi chinensis  Sonn. litchi, lychee
Lithops  N.E.Br. living stones
Lithospermum officinale  L. gromwell
Livistona australis  (R.Br.) Mart. cabbage tree
Loasaceae  
Lobelia cardinalis  L. cardinal flower
Lobelia dortmanna  L. water lobelia
Lobelia inflata  L. Indian tobacco, pokeweed
Lobelia siphilitica  L. blue cardinal flower
Lobeliaceae  
Lobularia maritima  (L.) Desv. alyssum, sea alyssum, sweet alyssum
Lodoicea maldivica  (J.F.Gmel.) Pers. coco-demer, double coconut
Loganiaceae  
Loiseleuria procumbens  (L.) Desv.
Lolium  L. ryegrass
Lolium multiflorum  Lam. Italian ryegrass
Lolium perenne  L. perennial ryegrass
Lolium temulentum  L. darnel
Lomandraceae  
Lomariopsidaceae  
Lomatia silaifolia  (Sm.) R.Br. crinkle bush
Lonicera  L. honeysuckle
Lonicera periclymenum  L. woodbine
Lonicera xylosteum  L. fly honeysuckle
Lophira alata  C.F.Gaertn. azobé, bongossi, eba
Loranthaceae  
Lotus corniculatus  L. bird's foot trefoil, eggs and bacon
Lotus tetragonolobus  L. asparagus pea, winged pea
Lovoa trichilioides  Harms African golden walnut, apopo, Benin wood, bibolo, Congo wood, embero, eyan, Nigerian golden walnut, tigerwood
Ludisia discolor  (Ker Gawl.) A.Rich. jewel orchid
Luffa cylindrica  (L.) M.Roem. loofah, vegetable sponge
Lunaria annua  L. honesty, penny flower
Lupinus  L. lupins
Lupinus albus  L. Egyptian lupin, white lupin
Lupinus arboreus  Sims tree lupin
Lupinus luteus  L. yellow lupin
Lupinus mutabilis  Sweet pearl lupin, tarhui, tarwi T  U 
Lychnis chalcedonica  L. cross of Jerusalem, Maltese cross
Lychnis coronaria  (L.) Desr. mullein pink, rose campion
Lychnis flos-cuculi  L. ragged robin
Lycianthes rantonnetii  (Carrière) Bitter
Lycium barbarum  L. Duke of Argyll's tea-tree
Lycium chinense  Mill. goji berry, wolfberry
Lycopodiaceae  
Lycopodiales  Bercht. & J.Presl
Lycopodium  L. clubmosses
Lycopus europaeus  L. gipsywort
Lygeum spartum  L. albardine
Lygodiaceae  
Lysichiton americanus  Hultén & H.St.John skunk cabbage
Lysimachia nemorum  L. yellow pimpernel
Lysimachia nummularia  L. creeping Jenny, moneywort
Lysimachia vulgaris  L. yellow loosestrife
Lythraceae  
Lythrales  
Lythrum portula  (L.) D.A.Webb water purslane
Lythrum salicaria  L. purple loosestrife
Macleaya cordata  (Willd.) R.Br. plume poppy
Maclura pomifera  (Raf.) C.K.Schneid. bow wood, Osage orange
Macrochloa tenacissima  (L.) Kunth alfa, Algerian grass, esparto, halfa
Madhuca longifolia  (L.) J.F.Macbr. mahua, mahwa, mi, moa, mowa
Magnolia  L. magnolias
Magnolia acuminata  (L.) L. cucumber tree
Magnolia champaca  (L.) Pierre champa, champak, sapu
Magnolia denudata  Desr. yulan
Magnolia grandiflora  L. bull bay, loblolly magnolia
Magnoliales  Bercht. & J.Presl
Mahonia aquifolium  (Pursh) Nutt. Oregon grape, Rocky Mountain grape
Mahonia repens  (Lindl.) G.Don holly grape
Maianthemum bifolium  (L.) F.W.Schmidt May lily
Maianthemum racemosum  (L.) Link American spikenard, false spikenard, wild spikenard
Maireana sedifolia  (F.Muell.) Paul G.Wilson bluebush
Malcolmia maritima  (L.) W.T.Aiton Virginia stock
Mallotus philippensis  (Lam.) Müll.Arg. kamala
Malpighia coccigera  L. Singapore holly
Malpighiales  Bercht. & J.Presl
Malus  Mill. apples
Malus domestica  (Suckow) Borkh. orchard apple
Malus hupehensis  (Pamp.) Rehder Chinese crab apple
Malus prunifolia  (Willd.) Borkh. Chinese apple
Malvaceae  
Malvales  Bercht. & J.Presl
Mammea americana  L. mammee apple, San Domingo apricot
Mandevilla laxa  (Ruiz & Pav.) Woodson Chilean jasmine T  U 
Mandragora officinarum  L. mandrake
Mangifera indica  L. mango
Mangifera odorata  Griff. apple mango, kuwini
Manicaria saccifera  Gaertn. bussu palm
Manihot esculenta  Crantz cassava, gari, mandioca, manioc, tapioca, yuca
Manilkara bidentata  (A.DC.) A.Chev. balata
Manilkara zapota  (L.) P.Royen beef apple, chicle, chiku, naseberry, sapodilla, sapodilla plum
Maranta arundinacea  L. arrowroot, Bermuda arrowroot, Saint Vincent arrowroot
Maranta leuconeura  E.Morren prayer plant
Marattiaceae  
Marattiales  Link
Marrubium vulgare  L. horehound, white horehound
Marsdenia cundurango  Rchb.f. condurango, cundurango
Marsdenia tenacissima  (Roxb.) Moon A  T 
Marsileaceae  
Martyniaceae  
Matricaria chamomilla  L. wild chamomile
Matricaria discoidea  DC. pineapple weed
Matteuccia  Tod.
Matteuccia struthiopteris  (L.) Tod. ostrich fern
Matthiola  W.T.Aiton stock
Matthiola incana  (L.) R.Br. Brompton stock, garden stock, hoary stock, stock
Matthiola incana var. annua  (L.) Voss ten week stock
Matthiola longipetala ssp. bicornis  (Sibth. & Sm.) P.W.Ball night-scented stock
Mauritia flexuosa  L.f. ita palm, ité
Meconopsis x sheldonii  G.Taylor
Medemia argun  (Mart.) H.Wendl. A  K  T 
Medeola virginiana  L. cucumber root
Medicago  L. bur clover, burweed, medick
Medicago arborea  L. moon trefoil, tree moon trefoil
Medicago intertexta  (L.) Mill. calvary clover
Medicago lupulina  L. black medick, hop clover, nonsuch, yellow trefoil
Medicago sativa  L. alfalfa, lucerne
Melaleuca alternifolia  (Maiden & Betche) Cheel tea tree
Melampyrum  L. cow-wheats
Melanthium virginicum  L. bunchflower
Melia azedarach  L. bakain, Cape lilac, Ceylon cedar, Ceylon mahogany, China tree, chinaberry, Indian lilac, lunumidella, Persian lilac, pride of India, syringa, white cedar
Melianthus major  L. honeyflower
Melica  L. melick
Melica uniflora  Retz. wood melick
Melicoccus bijugatus  Jacq. honeyberry, mamoncillo, quenette
Melilotus  Mill. melilot
Melilotus albus  Medik. Bokhara clover, white melilot
Melilotus officinalis  (L.) Lam. yellow melilot
Melissa officinalis  L. balm, lemon balm, sweet balm, tea balm
Melittis melissophyllum  L. bastard balm
Melocactus intortus  (Mill.) Urb. Turk's-cap cactus
Menispermum canadense  L. moonseed, yellow parilla
Mentha  L. mints
Mentha aquatica  L. water mint
Mentha arvensis  L. field mint
Mentha x gracilis  Sole ginger mint, Scotch mint
Mentha longifolia  (L.) Huds. horse mint
Mentha x piperita  L. peppermint
Mentha x piperita Citrata-Gruppen   eau de cologne mint
Mentha x piperita (Piperita-Gruppen) 'Pallescens'   white peppermint
Mentha pulegium  L. pennyroyal
Mentha requienii  Benth. Corsican mint
Mentha spicata  L. spearmint
Mentha suaveolens  Ehrh. wolly mint
Mentzelia lindleyi  Torr. & A.Gray bartonia
Menyanthes trifoliata  L. bogbean, buckbean
Mercurialis  L. mercury
Mercurialis annua  L. annual mercury
Mercurialis perennis  L. dog's mercury
Mertensia  Roth bluebells
Mertensia maritima  (L.) Gray gromwell, oysterleaf, sea lungwort
Mertensia virginica  (L.) Link Virginian bluebell, Virginian cowslip
Mesembryanthemum crystallinum  L. ice-plant
Mespilus germanica  L. medlar
Mesua ferrea  L. ironwood, na
Metasequoia glyptostroboides  Hu & W.C.Cheng dawn redwood
Metrosideros excelsa  Gaertn. Christmas tree, pohutukawa
Metroxylon  Rottb. sago palms
Meum athamanticum  Jacq. baldmoney, meu, spignel
Microsorum pustulatum  (G.Forst.) Copel. kangaroo fern
Milicia excelsa  (Welw.) C.C.Berg African teak, counter wood, iroko, mvule, odum, rock elm, yellowwood
Milium effusum  L. millet grass
Millettia laurentii  De Wild. wenge
Millettia pinnata  (L.) Panigrahi Indian beech, karanja, kerong, saw, thinwin
Millettia stuhlmannii  Taub. panga-panga
Mimosa pudica  L. sensitive plant
Mimosaceae  
Mirabilis jalapa  L. false jalap, four-o'clock, marvel of Peru
Miscanthus sinensis  Andersson eulalia
Misopates orontium  (L.) Raf. weasel's snout
Mitchella repens  L. patridge berry
Miyakea  Miyabe & Tatew.
Molinia caerulea  (L.) Moench purple moore grass
Molluginaceae  
Moluccella laevis  L. bells of Ireland, shell flower
Momordica balsamina  L. balsam apple
Momordica charantia  L. balsam pear, bitter cucumber, leprosy gourd
Monarda didyma  L. bee balm, bergamot, Oswego tea
Monimiaceae  
Monodora myristica  (Gaertn.) Dunal calabash nutmeg, West African nutmeg
Monstera deliciosa  Liebm. ceriman, cheeseplant, Swiss cheeseplant
Moraea sisyrinchium  (L.) Ker Gawl. Barbary nut
Morella cerifera  (L.) Small candleberry, tallow shrub, vax myrtle
Morinaceae  
Morinda citrifolia  L. al, Indian mulberry
Moringa oleifera  Lam. horseradish tree
Morus  L. mulberries
Morus alba  L. white mulberry
Morus nigra  L. black mulberry, common mulberry
Morus rubra  L. red mulberry
Mucuna pruriens  (L.) DC. cow itch
Mucuna pruriens var. utilis  (Wight) Burck Bengal bean, Florida velvet bean, velvet bean
Muhlenbergia macroura  (Kunth) Hitchc. zakaton
Muntingia calabura  L. calabura, jam tree, Jamaican cherry, Panama berry
Murraya exotica  L. Chinese box
Musa  L. bananas, plantains
Musa textilis  Née abacá, Manila hemp
Musa troglodytarum  L. mountain plantain
Musanga cecropioides  R.Br. umbrella tree
Muscari  Mill. grape hyacinths
Muscari comosum  (L.) Mill. tassel hyacinth
Muscari comosum 'Plumosum'   feather hyacinth
Mussaenda erythrophylla  Schumach. & Thonn. Ashanti blood, flame of the forest
Myoporaceae  
Myosotis  L. forget-me-nots, scorpion grass
Myosotis scorpioides  L. water forget-me-not
Myosotis sylvatica  Hoffm. garden forget-me-not
Myosurus minimus  L. mouse tail
Myrciaria cauliflora  (Mart.) O.Berg jaboticaba
Myrciaria dubia  (Kunth) McVaugh camu-camu
Myrica gale  L. bog myrtle, gale, sweet gale
Myriophyllum  L. water milfoil
Myriophyllum aquaticum  (Vell.) Verdc. parrot's feather
Myristica fragrans  Houtt. nutmeg
Myrrhis odorata  (L.) Scop. garden myrrh, sweet cicely
Myrsinaceae  
Myrtales  Bercht. & J.Presl
Myrtus communis  L. myrtle
Nandina domestica  Thunb. heavenly bamboo
Narcissus  L. daffodils
Narcissus jonquilla  L. jonquil
Narcissus poeticus  L. pheasant's-eye
Narcissus pseudonarcissus  L. Lent lily, wild daffodil
Nardostachys  DC.
Nardostachys jatamansi  (D.Don) DC. Indian nard, jatamansi, spikenard
Nardus stricta  L. mat grass, nard grass
Nartheciaceae  
Narthecium ossifragum  (L.) Huds. bog asphodel
Nasturtium  W.T.Aiton watercress
Nauclea diderrichii  (De Wild.) Merr. badi, bilinga, opepe
Nectandra pichurim  (Kunth) Mez pichurim bean, purchury bean A  V 
Nelumbo nucifera  Gaertn. Egyptian bean, sacred lotus
Nelumbonales  
Nemophila menziesii  Hook. & Arn. baby-blue eyes
Neocarya macrophylla  (Sabine) Prance gingerbread plum
Neolamarckia cadamba  (Roxb.) Bosser kadam, kedam, laran
Nepenthales  
Nepenthes  L. pitcher plants
Nepeta  L. catmint
Nepeta cataria  L. catnep, catnip
Nephelium lappaceum  L. rambutan
Nephelium ramboutan-ake  (Labill.) Leenh. palusan
Nephrotheca ilicifolia  (L.) B.Nord. & Källersjö T  U 
Nerine sarniensis  (L.) Herb. Guernsey lily
Nerium oleander  L. oleander, rose-bay
Nertera granadensis  (L.f.) Druce bead-plant
Neslia paniculata  (L.) Desv. ball mustard
Nesogordonia kabingaensis  (K.Schum.) N.Hallé danta, kotibé
Nicandra physalodes  (L.) Gaertn. shoo-fly
Nicotiana  L. tobacco
Nicotiana rustica  L. Aztec tobacco, wild tobacco
Nigella damascena  L. love-in-a-mist
Nigella integrifolia  Regel
Nigella sativa  L. fennel flower
Nitrariaceae  
Noccaea  Moench
Nolina longifolia  (Schult. & Schult.f.) Hemsl. zacate
Nopalea cochenillifera  (L.) Salm-Dyck cochineal cactus, cochineal plant
Nothofagaceae  
Nothofagus antarctica  (G.Forst.) Oerst. Antarctic beech, nirre
Nothofagus cunninghamii  (Hook.) Oerst. myrtle beech, Tasmanian beech, Tasmanian myrtle
Nothofagus obliqua  (Mirb.) Oerst. roble beech
Nothoscordum borbonicum  Kunth onion weed
Nuphar lutea  (L.) Sm. brandy-bottle, yellow waterlily
Nymphaea  L. waterlilies
Nymphaeales  Bercht. & J.Presl
Nymphoides peltata  (S.G.Gmel.) Kuntze water-fringe
Nypa fruticans  Wurmb nypa palm
Nyssa sylvatica  Marshall black gum, cotton gum, pepperidge
Nyssaceae  
Ochroma pyramidale  (Lam.) Urb. balsa, cork tree, down tree
Ochthodium aegyptiacum  (L.) DC. T  U 
Ocimum x africanum  Lour. lemon basil
Ocimum americanum  L. hoary basil, lime basil, partminger
Ocimum campechianum  Mill. Peruvian basil
Ocimum minimum  L. bush basil, Greek basil
Ocimum tenuiflorum  L. holy basil, thai basil, tulsi
Ocotea porosa  (Nees & Mart.) Barroso imbuia, imbuya
Odontites vernus  (Bellardi) Dumort. red bartsia
Oemleria cerasiformis  (Hook. & Arn.) J.W.Landon Indian plum, oso-berry
Oenanthe aquatica  (L.) Poir. water fennel
Oenanthe crocata  L. water hemlock
Oenocarpus bataua  Mart. pataua, seje
Oenocarpus distichus  Mart. bacaba palm
Oenothera  L. evening primeroses
Olacaceae  
Olea europaea  L. olive
Olearia  Moench daisy bush, tree daisy
Olneya tesota  A.Gray desert ironwood, tesota
Olsynium douglasii  (A.Dietr.) E.P.Bicknell grass widow
Omphalodes verna  Moench blue-eyed Mary
Onocleaceae  
Onopordum acanthium  L. cotton thistle, Scotch thistle
Operculina turpethum  (L.) Silva Manso Indian jalap, turpeth root, turpethrum
Ophioglossaceae  
Ophioglossales  Link
Ophioglossum  L. adder's-tongue, snake-tongue
Ophiopogon planiscapus  Nakai mondo grass
Ophrys apifera  Huds. bee orchid
Ophrys insectifera  L. fly orchid
Opithandra  B.L.Burtt
Oplopanax horridus  (Sm.) Miq. devil's club
Opuntia ficus-indica  (L.) Mill. Barbary fig, Indian fig
Opuntia fragilis  (Nutt.) Haw. brittle cactus
Orchidales  
Orchis mascula  (L.) L. dead men's finger, early purple orchid, palma-Christi
Orchis militaris  L. military orchid, soldier orchid
Origanum dictamnus  L. dittany
Origanum majorana  L. marjoram, sweet marjoram
Origanum onites  L. pot marjoram
Origanum vulgare  L. oregano
Ornithogalum pyrenaicum  L. Bath asparagus
Ornithogalum thyrsoides  Jacq. chincherinchee
Ornithogalum umbellatum  L. star of Bethlehem
Ornithopus sativus  Brot. serradella
Orobanchaceae  
Orobanche  L. broomrapes
Orontium aquaticum  L. golden club
Orthosiphon aristatus  (Blume) Miq. misaim kuching
Oryza glaberrima  Steud. red rice
Oryza sativa  L. rice
Osmanthus fragrans  Lour.
Osmunda  L. royal ferns
Osmunda regalis  L. royal fern
Osmundaceae  
Osmundales  Link
Osmundastrum cinnamomeum  (L.) C.Presl cinnamon fern, fiddleheads
Osteospermum  L.
Ostrya  Scop. hop hornbeam
Ostrya virginiana  (Mill.) K.Koch ironwood, leverwood
Osyris lanceolata  Hochst. & Steud. East African sandalwood
Osyris tenuifolia  Engl.
Oxalidales  Bercht. & J.Presl
Oxalis acetosella  L. wood sorrel
Oxalis pes-caprae  L. Bermuda buttercup, soursob
Oxydendrum arboreum  (L.) DC. sourwood, tree sorrel
Pachira  Aubl.
Pachira aquatica  Aubl. Guiana chestnut, saba nut
Pachycormus discolor  (Benth.) Standl. copalquin, elephant tree T  U 
Pachypodium lamerei  Drake Madagascar palm
Pachyrhizus erosus  (L.) Urb. jicama, yam bean
Paeonia  L. paeonies
Paeonia suffruticosa  Andrews moutan
Paliurus spina-christi  Mill. Christ's thorn
Panax ginseng  C.A.Mey. sang
Panax pseudoginseng  Wall. sanchi
Panax quinquefolius  L. American ginseng
Pancratium maritimum  L. sea daffodil
Pandanales  Bercht. & J.Presl
Pandanus amaryllifolius  Roxb. pandan wangi
Pandanus odoratissimus  L.f.
Pandanus tectorius  Du Roi ketaki
Pandanus tectorius 'Veitchii'  
Pandanus veitchii  Mast.
Pandorea jasminoides  (Lindl.) K.Schum. bower plant
Pandorea pandorana  (Andrews) Steenis wonga-wonga vine
Pangium edule  Reinw. kepayang
Panicum  L. crab grass, millets, panic grass
Panicum coloratum  L. buffalo grass
Panicum miliaceum  L. common millet, French millet, proso millet, Russian millet
Panicum virgatum  L. switch grass
Papaver  L. poppies
Papaver cambricum  L. Welsh poppy
Papaver rhoeas  L. common poppy, corn poppy, field poppy, Flanders poppy, red poppy
Papaver somniferum  L. opium poppy
Papilionaceae  
Pappea capensis  Eckl. & Zeyh. wild plum
Parashorea malaanonan  (Blanco) Merr. bagtikan
Parietaria judaica  L. pellitory of the wall
Parinari excelsa  Sabine
Paris quadrifolia  L. herb paris
Parkeriaceae  
Parkia speciosa  Hassk. petai
Parkinsonia aculeata  L. Jerusalem thorn
Parnassia palustris  L. grass of Parnassus
Parnassiaceae  
Paronychia  Mill.
Parrotia persica  (DC.) C.A.Mey. ironwood
Parthenium argentatum  A.Gray guayule
Parthenocissus quinquefolia  (L.) Planch. true Virginia creeper
Parthenocissus tricuspidata  (Siebold & Zucc.) Planch. Boston ivy
Paspalum dilatatum  Poir. Dallis grass
Paspalum scrobiculatum  L. Kodo millet, rice grass
Passiflora  L. passion flowers
Passiflora caerulea  L. blue passion flower
Passiflora edulis  Sims purple granadilla
Passiflora foetida  L. running pop
Passiflora incarnata  L. apricot vine
Passiflora laurifolia  L. Jamaican honeysuckle, water lemon, yellow granadilla
Passiflora ligularis  Juss. sweet granadilla
Passiflora maliformis  L. curuba, sweet calabash
Passiflora mollissima  (Kunth) L.H.Bailey banana passion fruit
Passiflora quadrangularis  L. granadilla, maracuja, maracuyá
Pastinaca sativa  L. parsnip
Paullinia cupana  Kunth guaraná
Paulowniaceae  
Pedaliaceae  
Pediomelum esculentum  (Pursh) Rydb. breadnut, breadroot
Peganum harmala  L. harmal
Pelargonium  L'Hér. geraniums
Pelargonium (Doftpelargon-Gruppen) 'Graveolens'   rose-oil geranium
Pelargonium x domesticum  L.H.Bailey regal geranium, regal pelargonium
Pelargonium x hortorum  L.H.Bailey zonal geranium, zonal pelargonium
Pelargonium peltatum  (L.) L'Hér. ivy-leaved geranium, ivy-leaved pelargonium
Peltophorum pterocarpum  (DC.) K.Heyne yellow flamboyant
Pentadesma butyracea  Sabine tallow tree
Pereskia aculeata  Mill. Barbados gooseberry
Pergularia  L.
Pericallis x hybrida  B.Nord. cineraria
Pericopsis elata  (Harms) Meeuwen afrormosia, asamela, kokrodua
Periploca graeca  L. silk vine
Persea americana  Mill. aguacate, alligator pear, avocado, avocado pear, palta
Persea lingue  (Ruiz & Pav.) Nees lingue
Persea nanmu  Oliv. coffin wood, nanmu
Persicaria hydropiper  (L.) Spach aresmart, smartweed, tade, water pepper
Persicaria maculosa  Gray redleg, redshank
Persicaria odorata  (Lour.) Soják Asian mint, laksa, ram, rau, Vietnamese coriander, Vietnamese mint
Petasites pyrenaicus  (L.) G.López winter heliotrope
Petiveria alliacea  L. Guinea henweed
Petrosaviales  Takht.
Petroselinum crispum  (Mill.) Fuss garden parsley
Petroselinum crispum var. neapolitanum  Danert Italian parsley
Petroselinum crispum Tuberosum-Gruppen   Hamburg parsley, turnip-rooted parsley
Peucedanum officinale  L. hog fennel
Peumus boldus  Molina boldo
Phalaris aquatica  L. Toowoomba Canary grass
Phalaris arundinacea  L. reed Canary grass
Phalaris arundinacea 'Picta'   ribbon grass
Phalaris canariensis  L. Canary grass
Phaseolus acutifolius  A.Gray tepary bean
Phaseolus coccineus  L. scarlet runner bean
Phaseolus lunatus  L. Burma bean, butter bean, duffin bean, Lima bean, Rangoon bean
Phaseolus vulgaris Brytböna-Gruppen   French bean, haricot bean, snap bean, string bean
Phaseolus vulgaris Kokböna-Gruppen   flageolet bean, kidney bean
Phaseolus vulgaris var. nanus  G.Martens dwarf bean
Phaseolus vulgaris Vaxböna-Gruppen   wax bean
Phellodendron  Rupr. cork trees
Philadelphus coronarius  L. mock orange
Philesiaceae  
Philydraceae  
Phleum pratense  L. timothy
Phlomis fruticosa  L. Jerusalem sage
Phoenix dactylifera  L. date palm
Phoenix reclinata  Jacq. dwarf date palm
Phragmites australis  (Cav.) Steud. Danube grass, nal, reed
Phryma leptostachya  L. T  U 
Phrymaceae  
Phyla nodiflora  (L.) Greene lippia
Phyllanthaceae  
Phyllanthus acidus  (L.) Skeels Otaheite gooseberry
Phyllanthus emblica  L. ambal, amioki, emblic
Phyllanthus urinaria  L. dukung anak
Phyllocladus aspleniifolius  (Labill.) Hook.f. celery-top pine
Phyllocladus trichomanoides  D.Don tanekaha
Phyllostachys aurea  (André) Rivière & C.Rivière fish-pole bamboo
Phyllostachys nigra  (Lindl.) Munro black bamboo
Phyllostachys reticulata  (Rupr.) K.Koch T  U 
Physalis grisea  (Waterf.) M.Martínez husk tomato, strawberry tomato
Physalis peruviana  L. Cape gooseberry
Physalis philadelphica  Lam. jamberry, tomatillo
Physocarpus opulifolius  (L.) Maxim. ninebark
Physostegia virginiana  (L.) Benth. obedient plant
Physostigma venenosum  Balf. Calabar bean, ordeal bean
Phytelephas macrocarpa  Ruiz & Pav. ivory nuts, tagua
Phytolacca americana  L. inkberry, pigeonberry, pokeweed
Phytolacca octandra  L. inkweed
Picea abies  (L.) H.Karst. Norway spruce
Picea glauca  (Moench) Voss white spruce
Picea mariana  (Mill.) Britton & al. black spruce, bog spruce, Canadian black spruce
Picea orientalis  (L.) Link Oriental spruce
Picea rubens  Sarg. red spruce
Picea sitchensis  (Bong.) Carrière Sitka spruce
Picramniales  Doweld
Picrodendraceae  
Pieris floribunda  (Pursh) Benth. & Hook.f. fetterbush
Pilea cadierei  Gagnep. & Guillaumin aluminium plant
Pilea microphylla  (L.) Liebm. artillery plant, gunpowder plant
Pilosella aurantiaca  (L.) F.W.Schultz & Sch.Bip. devil's paintbrush, fox and cubs
Pilosella officinarum  F.W.Schultz & Sch.Bip. mouse ear
Pilularia globulifera  L. pillwort
Pimenta acris  (Sw.) Kostel.
Pimenta dioica  (L.) Merr. allspice, Jamaican pepper, pimento
Pimenta racemosa  (Mill.) J.W.Moore bay rum tree
Pimpinella anisum  L. anise
Pimpinella saxifraga  L. burnet saxifrage
Pinales  Gorozh.
Pinguicula vulgaris  L. butterwort
Pinus  L. pines
Pinus banksiana  Lamb. jack pine
Pinus canariensis  C.Sm. Canary pine
Pinus contorta ssp. latifolia  (Engelm.) Critchf. lodge-pole pine
Pinus densiflora  Siebold & Zucc. Japanese red pine
Pinus halepensis  Mill. Aleppo pine
Pinus lambertiana  Douglas sugar pine
Pinus monticola  D.Don western white pine
Pinus nigra  J.F.Arnold black pine
Pinus nigra ssp. laricio  Maire Corsican pine
Pinus palustris  Mill. American pitch pine, longleaf pine, pitch pine, southern pine
Pinus parviflora  Siebold & Zucc. Japanese white pine
Pinus pinaster  Aiton maritime pine, pinaster
Pinus pinea  L. stone pine, umbrella pine
Pinus ponderosa  C.Lawson ponderosa pine
Pinus radiata  D.Don Monterey pine, radiata pine
Pinus resinosa  Aiton Canadian red pine, red pine
Pinus sibirica  Du Tour Siberian cedar
Pinus strobus  L. Weymouth pine, white pine
Pinus sylvestris  L. Norway fir, Scots fir, Scots pine
Pinus taeda  L. frankincense pine, loblolly pine, southern pine
Pinus wallichiana  A.B.Jacks. Bhutan pine, blue pine
Piper angustifolium  Ruiz & Pav. matico
Piper betle  L. betel pepper
Piper cubeba  L.f. cubebs, Java pepper
Piper guineense  Schumach. & Thonn. Ashanti pepper, Benin pepper
Piper longum  L. Indian long pepper, long pepper
Piper methysticum  G.Forst. kava, kawa pepper, yanggona, yangona
Piper nigrum  L. pepper
Piperales  Bercht. & J.Presl
Piptadeniastrum africanum  (Hook.f.) Brenan agboin, dabéma, daboma, dahoma, ekhimi
Piptatherum miliaceum  (L.) Coss.
Piqueria trinervia  Cav. stevia, tabardillo
Pistacia lentiscus  L. lentisco, lentisk, mastic
Pistacia terebinthus  L. terebinth
Pistacia vera  L. pistachio
Pistia stratiotes  L. water lettuce
Pisum sativum  L. garden pea
Pithecellobium dulce  (Roxb.) Benth. Madras thorn, Manila tamarind
Pithecellobium unguis-cati  (L.) Benth. black Jessie
Pittosporum crassifolium  A.Cunn. karo
Pittosporum eugenioides  A.Cunn. lemonwood
Pittosporum tobira  (Thunb.) W.T.Aiton tobira
Plantaginaceae  
Plantaginales  
Plantago  L. plantains, ribwort
Plantago afra  L. psyllium
Plantago coronopus  L. buck's-horn plantain
Plantago lanceolata  L. ribwort, ribwort plantain
Plantago major  L. common plantain
Plantago major 'Rosularis'   rose plantain
Plantago maritima  L. sea plantain
Plantago media  L. hoary plantain
Plantago uniflora  L. shoreweed
Platanus  L. planes, plantains, sycamore
Platanus x hispanica  Münchh. common plane, London plane
Platanus occidentalis  L. aliso, American plane, buttonwood, sycamore
Platanus orientalis  L. Oriental plane
Platonia esculenta  (Arruda) Oken
Platonia insignis  Mart. bacuriträd, bacury, bakury
Platycerium  Desv. elk's horn fern, stag's horn fern
Platycladus orientalis  (L.) Franco Chinese arbor-vitae
Platycodon grandiflorus  (Jacq.) A.DC. ballon flower, Chinese bellflower
Platystemon californicus  Benth. cream-cups
Plectranthus amboinicus  (Lour.) Spreng. Cuban oregano, five-in-one, Spanish sage
Plectranthus scutellarioides  (L.) R.Br. coleus
Plectranthus verticillatus  (L.f.) Druce Swedish ivy
Plukenetia conophora  Müll.Arg. awusa nut, conophor nut, owusa nut
Plumbaginales  
Plumeria obtusa  L. T  U 
Plumeria rubra  L. frangipani, pagoda tree, temple flower, temple tree
Poa  L. blue grass, meadow grass
Poa annua  L. annual meadow grass, winter grass
Poa compressa  L. Canada blue grass
Poa nemoralis  L. wood meadow grass
Poa pratensis  L. common meadow grass, Kentucky blue grass
Poa trivialis  L. rough meadow grass
Poales  Small
Podocarpus macrophyllus  (Thunb.) Sweet kusamaki
Podocarpus totara  D.Don totara
Podophyllum peltatum  L. American mandrake, may apple
Podostemales  
Pogonatherum paniceum  (P.Beauv.) Hack. baby panda bamboo
Pogostemon cablin  (Blanco) Benth. patchouli, patchouly
Polemonium caeruleum  L. Greek valerian, Jacob's ladder
Polianthes  L.
Polianthes tuberosa  L. tuberose
Polycarpon tetraphyllum  (L.) L. T  U 
Polygala chamaebuxus  L. bastard box
Polygala senega  L. senega root
Polygala vulgaris  L. gang flower
Polygalales  
Polygonales  
Polygonum aviculare  L. sensu lato knotgrass, knotweed
Polypodiaceae  
Polypodiales  Link
Polypogon monspeliensis  (L.) Desf. beard-grass
Polyscias fruticosa  (L.) Harms Ming aralia
Polystichum  Roth
Pongamia pinnata  (L.) Pierre
Pontederia cordata  L. pickerel weed, wampee
Populus  L. poplars
Populus alba  L. abele, white poplar
Populus balsamifera  L. balsam poplar, hackmatack, tacamahac
Populus deltoides  Marshall cottonwood
Populus heterophylla  L. swamp cottonwood
Populus x jackii 'Gileadensis'   balm of Gilead
Populus maximowiczii  A.Henry doronoki
Populus nigra  L. black popplar
Populus nigra var. betulifolia  (Pursh) Torr. Manchester poplar
Populus nigra 'Italica'   Italian poplar, Lombardy poplar
Populus nigra 'Plantierensis'  
Populus tremula  L. aspen
Populus tremuloides  Michx. Canadian aspen
Populus trichocarpa  Torr. & A.Gray cottonwood
Portulaca oleracea  L. T  U 
Portulaca oleracea ssp. sativa  (Haw.) Celak. purslane
Posidonia oceanica  (L.) Delile A  T  U 
Posidoniaceae  
Posoqueria latifolia  (Rudge) Schult. Brazilian oak
Potamogeton  L. pondweeds
Potamogetonaceae  
Potentilla erecta  (L.) Raeusch. tormentil
Potentilla indica  (Jacks.) Th.Wolf Indian strawberry
Potentilla reptans  L. cinquefoil
Potentilla sterilis  (L.) Garcke barren strawberry
Pouteria campechiana  (Kunth) Baehni canistel
Pouteria sapota  (Jacq.) H.E.Moore & Stearn mammee zapote, marmalade plum, sapote
Primula elatior  (L.) Hill oxlip
Primula farinosa  L. bird's-eye primrose
Primula x polyantha  Mill. polyanthus
Primula praenitens  Ker Gawl. Chinese primrose
Primula vulgaris  Huds. primrose
Primulales  
Prionium serratum  (L.f.) Drège palmiet
Prioria copaifera  Griseb. cativo
Proiphys cunninghamii  (Lindl.) Mabb. Brisbane lily
Prospero autumnale  (L.) Speta autumn squill
Proteales  Bercht. & J.Presl
Protium carana  (Humb.) Marchand Carana elemi
Prunella vulgaris  L. selfheal
Prunus africana  (Hook.f.) Kalkman kanda, kotofihy, red stinkwood
Prunus alleghaniensis  Porter Alleghany plum
Prunus angustifolia  Marshall Chickasaw plum
Prunus armeniaca  L. apricot
Prunus avium  L. gean, hagberry, hegberry, mazzard, wild cherry
Prunus brigantina  Vill. Briançon apricot T  U 
Prunus cerasifera  Ehrh. cherry plum, mirabelle, myrobalan
Prunus cerasus  L. amarelle cherry, morello cherry
Prunus cerasus 'Marasca'   maraschino cherry, marasco
Prunus domestica  L. gage, plum
Prunus domestica ssp. insititia  (L.) Poir. bullace, damson, damson plum
Prunus domestica ssp. rotunda  H.L.Werneck greengage
Prunus domestica ssp. syriaca  (Borkh.) Mansf. mirabelle
Prunus dulcis  (Mill.) D.A.Webb almond
Prunus dulcis var. amara  (DC.) Buchheim bitter almond
Prunus x gondouinii  (Poit. & Turpin) Rehder Duke cherry
Prunus hortulana  L.H.Bailey wild goose plum
Prunus laurocerasus  L. cherry laurel
Prunus lusitanica  L. Portugal laurel
Prunus mahaleb  L. mahaleb, mahaleb cherry, Saint Lucie cherry
Prunus maritima  Marshall beach plum
Prunus mume  Siebold & Zucc. Japanese apricot, mume
Prunus nigra  Aiton Canada plum
Prunus padus  L. bird cherry, hagberry, hegberry
Prunus persica  (L.) Batsch peach
Prunus persica var. nucipersica  (Suckow) C.K.Schneid. nectarine
Prunus pumila  L. sand cherry
Prunus rivularis  Scheele wild goose plum
Prunus salicina  Lindl. Chinese plum, Japanese plum
Prunus serotina  Ehrh. American cherry, black cherry, cabinet cherry, rum cherry
Prunus serrulata  Lindl. Oshima cherry
Prunus simonii  Carrière apricot plum
Prunus spinosa  L. blackthorn, sloe
Prunus tenella  Batsch dwarf Russian almond
Prunus tomentosa  Thunb. Nanking cherry
Prunus virginiana  L. chokecherry
Prunus x yedoensis  Matsum. Yoshino cherry
Psathyrostachys juncea  (Fisch.) Nevski Russian wild rye
Pseudobombax ellipticum  (Kunth) Dugand shaving-brush
Pseudolarix amabilis  (J.Nelson) Rehder golden larch, golden pine
Pseudopanax crassifolius  (A.Cunn.) K.Koch lancewood
Pseudosasa amabilis  (McClure) Keng f. Tongking bamboo, tongking cane
Pseudotsuga menziesii  (Mirb.) Franco Douglas fir, Oregon, Oregon pine
Psidium  L. guavas
Psidium cattleianum  Sabine purple guava, strawberry guava
Psidium friedrichsthalianum  (O.Berg) Nied. Costa Rican guava
Psidium guajava  L. common guava
Psidium guineense  Sw. guisaro
Psidium littorale  Raddi
Psilotaceae  
Psilotales  Prantl
Psilotum  Sw. whisk ferns
Psophocarpus tetragonolobus  (L.) DC. dambala, Goa bean, winged bean
Psoralea pinnata  L. blue pea, Dally pine
Psychotria ipecacuanha  (Brot.) Stokes
Ptaeroxylaceae  
Ptelea trifoliata  L. hop tree
Pteridium aquilinum  (L.) Kuhn bracken, brake, eagle fern, hog brake
Pterocarpus angolensis  DC. ambila, bleedwood tree, kiaat, mukwa, muninga
Pterocarpus dalbergioides  DC. Andaman padauk, East Indian mahogany
Pterocarpus erinaceus  Poir. African kino, African rosewood, barwood, West African rosewood
Pterocarpus indicus  Willd. Amboyna wood, Andaman redwood, Burmese rosewood, New Guinea rosewood, Papau New Guinea rosewood
Pterocarpus macrocarpus  Kurz Burma padauk, maidu
Pterocarpus marsupium  Roxb. East Indian kino, gamalu, Malabar kino
Pterocarpus santalinus  L.f. red sandalwood, red saunderswood, zitan
Pterocarpus soyauxii  Taub. West African padauk
Pterocarya  Kunth wingnut
Pterygota bequaertii  De Wild. awari
Pueraria mirifica  Airy Shaw & Suvat. T  U 
Pueraria montana var. lobata  (Willd.) Maesen & S.M.Almeida Japanese arrowroot, kudzu vine
Pulmonaria officinalis  L. lungwort
Pulsatilla vulgaris  Mill. pasque-flower
Punica granatum  L. pomegranate
Punicaceae  
Puschkinia scilloides  Adams Lebanon squill, striped squill
Pycnanthus angolensis  (Welw.) Warb. akomu, eteng, false nutmeg, ilomba, kombo
Pyracantha coccinea  M.Roem. firebush, firethorn
Pyrola  L. wintergreen
Pyrostegia venusta  (Ker Gawl.) Miers flame vine, golden shower
Pyrus  L. pears
Pyrus communis  L. pear
Pyrus pyrifolia  (Burm.f.) Nakai Chinese pear, Japanese pear, nashi, nashi pear
Quassia amara  L. marupa, simaruba, stave-wood, Surinam quassia wood
Quercus alba  L. Quebec oak, white oak
Quercus cerris  L. manna oak, Turkish oak
Quercus coccifera  L. Kermes oak
Quercus coccinea  Münchh. scarlet oak
Quercus ilex  L. holly oak, holm oak, ilex
Quercus palustris  Münchh. pin oak
Quercus petraea  (Matt.) Liebl. durmast oak, sessile oak
Quercus pubescens  Willd. gall
Quercus robur  L. English oak, French oak, Polish oak, Slavonian oak
Quercus rubra  L. red oak
Quercus suber  L. cork oak
Quercus velutina  Lam. quercitron
Quercus virginiana  Mill. live oak
Quillaja saponaria  Molina bois de Panama, quillai, soapbark tree T  U 
Quillajaceae  
Quisqualis indica  L. madhumalati, Rangoon creeper
Ranunculaceae  
Ranunculales  Bercht. & J.Presl
Ranunculus  L. buttercups, crowfoot, paigle
Ranunculus aconitifolius  L. fair maids of France, fair maids of Kent
Ranunculus acris ssp. friesianus 'Flore Pleno'   bachelor's buttons
Ranunculus asiaticus  L. garden ranunculus
Ranunculus auricomus  L. sensu lato goldilocks
Ranunculus lingua  L. spearwort
Ranunculus repens  L. creeping buttercup
Ratibida  Raf. cone flower
Ravenala madagascariensis  Sonn. traveller's palm
Rehmannia elata  N.E.Br. Chinese foxglove
Reseda lutea  L. wild mignonette
Reseda luteola  L. dyer's rocket, weld
Reseda odorata  L. mignonette
Restionaceae  
Restionales  
Retama monosperma  (L.) Boiss. white broom
Reynoutria japonica  Houtt. Japanese knotweed
Rhamnales  
Rhamnus  L. buckthorns
Rhamnus cathartica  L. common buckthorn, European buckthorn, purging buckthorn
Rhapis excelsa  (Thunb.) Rehder Japanese peace palm, lady palm
Rheum australe  D.Don Himalayan rhubarb, Indian rhubarb
Rheum palmatum  L. Chinese rhubarb, Turkish rhubarb
Rhinanthus minor  L. hay rattle, yellow rattle
Rhipsalis  Gaertn. mistletoe cactus
Rhizophorales  
Rhodiola rosea  L. roseroot
Rhododendron ferrugineum  L. alpenrose, alpine rose
Rhododendron stenopetalum 'Linearifolium'   spider azalea
Rhododendron tomentosum  Harmaja marsh rosemary
Rhododendron viscosum  (L.) Torr. swamp honeysuckle
Rhodothamnus chamaecistus  (L.) Rchb. T  U 
Rhopalostylis sapida  (G.Forst.) H.Wendl. & Drude nikau palm
Rhus  L. sumachs, sumacs
Rhus coriaria  L. sumac
Rhus typhina  L. staghorn sumac, velvet sumac
Rhus vernicifera  DC.
Ribes americanum  Mill. American blackcurrant
Ribes aureum  Pursh buffalo currant, golden currant, Missouri currant
Ribes cynosbati  L. American gooseberry, prickly gooseberry
Ribes (Grossularia-Gruppen) 'Worcesterberry'   Worcesterberry
Ribes nigrum  L. blackcurrant
Ribes rubrum  L. garnetberry, redcurrant
Ribes sanguineum  Pursh American currant, blood currant, flowering currant
Ribes speciosum  Pursh Californian fuchsia
Ribes uva-crispa  L. feaberry, gooseberry
Richardia  L.
Robinia hispida  L. rose acacia
Robinia pseudoacacia  L. bastard acacia, black locust, false acacia
Roemeria hybrida  (L.) DC.
Rohdea japonica  (Thunb.) Roth omoto
Romneya coulteri  Harv. Matilija poppy
Romulea rosea  (L.) Eckl. Guildford grass
Rosa banksiae  W.T.Aiton Banksian rose
Rosa Bourbon-Gruppen   Bourbon rose
Rosa bracteata  J.C.Wendl. Macartney rose
Rosa canina  L. dog rose
Rosa carolina  L. pasture rose
Rosa Centifolia-Gruppen   cabbage rose
Rosa (Chinensis-Gruppen) 'Viridiflora'   green rose
Rosa Damascena-Gruppen   damask rose, Persian rose
Rosa (Foetida-Gruppen) 'Harison's Yellow'   yellow rose of Texas
Rosa majalis  Herrm. cinnamon rose
Rosa moschata  Herrm. musk rose
Rosa Noisette-Gruppen   Noisette rose
Rosa x richardii  Rehder holy rose
Rosa roxburghii f. normalis  Rehder & E.H.Wilson bur rose
Rosa rubiginosa  L. eglantine, sweetbriar
Rosa rugosa  Thunb. Japanese rose
Rosa setigera  Michx. prairie rose
Rosa spinosissima  L. burnet rose, Scotch rose
Rosales  Bercht. & J.Presl
Roseodendron donnell-smithii  (Rose) Miranda primavera
Rosmarinus officinalis  L. rosemary
Roystonea oleracea  (Jacq.) O.F.Cook palmiste
Roystonea regia  (Kunth) O.F.Cook royal palm
Rubia cordifolia  L. Indian madder, munjeet
Rubia peregrina  L. Levant madder, wild madder
Rubia tinctorum  L. madder
Rubiales  
Rubus allegheniensis  Porter Alleghany blackberry
Rubus (Björnbärshallon-Gruppen) 'Boysen'   boysenberry
Rubus caesius  L. dewberry
Rubus chamaemorus  L. cloudberry
Rubus fruticosus  L. sensu lato blackberry, bramble
Rubus idaeus  L. raspberry
Rubus loganobaccus  L.H.Bailey loganberry
Rubus occidentalis  L. black raspberry, thimbleberry
Rubus phoenicolasius  Maxim. wineberry
Rubus spectabilis  Pursh salmonberry
Rubus ursinus  Cham. & Schltdl. dewberry
Rudbeckia  L. black-eyed Susan, cone flower, Mexican hat
Ruellia makoyana  Closon monkey plant
Rumex  L. docks, sorrel
Rumex acetosa  L. sorrel
Rumex acetosella  L. sheep's sorrel
Rumex alpinus  L. monk's rhubarb
Rumex crispus  L. yellow dock
Rumex patientia  L. patience, patience dock
Rumex scutatus  L. French sorrel
Ruppiaceae  
Ruscaceae  
Ruscus aculeatus  L. butcher's broom, pettigree, pettigrue
Russelia equisetiformis  Schltdl. & Cham. coral plant, firecracker plant, fountain plant T  U 
Ruta graveolens  L. herb of grace, rue
Rutaceae  
Sabal palmetto  (Walter) Schult. & Schult.f. cabbage palmetto palm, palmetto
Saccharum officinarum  L. sugar cane
Sagittaria latifolia  Willd. wapato
Sagittaria sagittifolia  L. arrowhead
Saintpaulia  H.Wendl. African violets
Salacca  Reinw. salak
Salacca wallichiana  Mart. rakum
Salacca zalacca  (Gaertn.) Voss snake fruit
Salicaceae  
Salicornia europaea  L. chicken claws
Salix  L. willows
Salix alba  L. white willow
Salix alba var. coerulea  (Sm.) Dumort. cricket-bat willow
Salix babylonica var. pekinensis 'Tortuosa'   corkscrew willow
Salix caprea  L. goat willow, pussy willow
Salix caprea 'Kilmarnock'   Kilmarnock willow
Salix x fragilis  L. brittle willow, crack willow
Salix fragilis f. vitellina  I.V.Belyaeva golden willow
Salix humilis  Marshall prairie willow
Salix nigra  Marshall black willow
Salix pendulina f. salamonii 'Salamonii'   weeping willow
Salix purpurea  L. basket willow
Salix viminalis  L. basket willow
Salsola kali  L. blackbush
Salsola tragus  L. Russian thistle
Saltera sarcocolla  (L.) Bullock T  U 
Salvadora persica  L. toothbrush tee A  K  T 
Salvia azurea  Lam. blue sage
Salvia elegans  Vahl pineapple sage
Salvia hispanica  L. chia
Salvia lavandulifolia  Vahl Spanish sage
Salvia officinalis  L. sage
Salvia sclarea  L. clary
Salvia splendens  Roem. & Schult. scarlet sage
Salvia viridis  L. bluebird
Salviniaceae  
Salviniales  Bartl.
Sambucus  L. elder
Sambucus caerulea  ort. var.
Sambucus canadensis  L. American elder
Sambucus ebulus  L. danewort, dwarf elder
Sambucus nigra  L. elder, elderberry
Sambucus racemosa ssp. pubens  (Michx.) House stinking elder
Sandersonia aurantiaca  Hook. Christmas bells
Sandoricum koetjape  (Burm.f.) Merr. kechapi, santol, sentul
Sanguinaria canadensis  L. bloodroot, red puccoon
Sanguisorba minor ssp. balearica  (Nyman) Munoz Garm. & C.Navarro
Sanguisorba officinalis  L. burnet
Sanicula europaea  L. wood sanicle
Sansevieria  Thunb.
Sansevieria trifasciata  Prain mother-in-law's tongue
Santalaceae  
Santalales  Bercht. & J.Presl
Santalum album  L. Indian sandalwood, sandalwood
Santalum yasi  Seem. T  U 
Santolina  L. holy flax, lavender cotton
Santolina chamaecyparissus  L. holy flax, lavender cotton
Sapindaceae  
Sapindales  Bercht. & J.Presl
Saponaria officinalis  L. bouncing bet, fuller's herb
Sapotales  
Sarracenia  L. pitcher plants
Sarracenia purpurea  L. huntsman's cup, huntsman's horn
Sassafras albidum  (Nutt.) Nees sassafras
Satureja hortensis  L. summer savory
Satureja montana  L. winter savory
Sauromatum venosum  (Aiton) Kunth monarch-of-the-east, voodoo lily
Saussurea costus  (Falc.) Lipsch. costus root, kuth
Saxifraga  L. rockfoil, saxifrages
Saxifraga granulata  L. meadow saxifrage
Saxifraga stolonifera  Meerb. mother-of-thousands, wandering Jew
Saxifraga x urbium  D.A.Webb London pride, none-so-pretty
Saxifragaceae  
Saxifragales  Bercht. & J.Presl
Scabiosa  L. scabious
Scabiosa atropurpurea  L. sweet scabious
Scabiosa caucasica  M.Bieb.
Scadoxus multiflorus  (Martyn) Raf. blood flower
Scandix pecten-veneris  L. lady's comb, shepherd's needle, Venus's comb
Schefflera actinophylla  (Endl.) Harms umbrella tree
Schinus molle  L. California pepper, pepper tree
Schinus terebinthifolius  Raddi Brazilian pepper tree, Christmas berry
Schisandraceae  
Schismus  P.Beauv.
Schivereckia  DC.
Schizachyrium scoparium  (Michx.) Nash blue-stem, bunchgrass
Schizaeales  Schimp.
Schizanthus  Ruiz & Pav. butterfly flowers, poor man's orchid
Schleichera oleosa  (Lour.) Oken kosumba, kussum
Schlumbergera x buckleyi  (T.Moore) Tjaden Christmas cactus
Schlumbergera gaertneri  (Regel) Britton & Rose Easter cactus
Schoenocaulon officinale  (Schltdl. & Cham.) A.Gray cevadilla, sabadilla
Schoenoplectus lacustris  (L.) Palla bulrush, clubrush
Schoenus nigricans  L. black bog rush
Sciadopityaceae  
Sciadopitys verticillata  (Thunb.) Siebold & Zucc. parasol pine, umbrella fir
Scilla peruviana  L. Cuban lily
Scilla verna  Huds. spring squill
Scleranthus annuus  L. knawel
Scolymus hispanicus  L. cardillo, golden thistle, Spanish oyster
Scoparia dulcis  L. T  U 
Scorzonera hispanica  L. scorzonera, Spanish salsify, viper's grass
Scrophularia  L. figwort
Scrophularia auriculata  L. water figwort
Scrophulariaceae  
Scrophulariales  
Secale cereale  L. rye
Sechium edule  (Jacq.) Sw. chayote, cho-cho, choco, choko, chow chow, christophine, Madeira marrow, vegetable pear
Selaginellaceae  
Selaginellales  Prantl
Selenicereus grandiflorus  (L.) Britton & Rose night-flowering cactus
Semecarpus anacardium  L.f. marking nut T  U 
Sempervivum  L. houseleeks
Senecio squalidus  L. Oxford ragwort
Senecio vulgaris  L. groundsel
Senna alata  (L.) Roxb. craw-craw, ringworm cassia, ringworm senna
Senna alexandrina  Mill. Alexandrian senna, Tinnevelly senna
Senna marilandica  (L.) Link American senna, wild senna
Senna obtusifolia  (L.) H.S.Irwin & Barneby T  U 
Senna occidentalis  (L.) Link coffeeweed
Sequoia sempervirens  (D.Don) Endl. California redwood
Sequoiadendron giganteum  (Lindl.) J.Buchholz big tree, mammoth tree, wellingtonia
Serenoa repens  (W.Bartram) Small saw palmetto, saw palmetto palm
Serratula tinctoria  L. saw-wort
Sesamum indicum  L. gingelly, halvah, sesame, sesamum, simsim
Setaria italica  (L.) P.Beauv. foxtail millet, German millet, Hungarian millet, Italian millet
Setaria pumila  (Poir.) Schult. cat-tail millet, pigeon grass, yellow foxtail grass
Setaria viridis  (L.) P.Beauv. green foxtail grass
Shepherdia argentea  (Pursh) Nutt. beef-suet tree, buffaloberry, silverberry
Shorea albida  Symington alan
Shorea contorta  Vidal white lauan
Shorea glauca  King balan
Shorea guiso  (Blanco) Blume red balau, selangan
Shorea kunstleri  King red balau
Shorea polysperma  (Blanco) Merr. bataan, bataan mahogany, Philippine mahogany
Shorea robusta  C.F.Gaertn. sal
Sibthorpia europaea  L. Cornish moneywort, pennywort
Sicana odorifera  (Vell.) Naudin casabanana, cassabanana
Sicyos angulatus  L. bur cucumber
Sida rhombifolia  L. Paddy's lucerne, Queensland hemp
Silaum silaus  (L.) Schinz & Thell. pepper saxifrage
Silene acaulis  (L.) Jacq. moss campion
Silene dioica  (L.) Clairv. red campion
Silene latifolia ssp. alba  (Mill.) Greuter & Burdet white campion, white cockle
Silene uniflora  Roth sea campion
Silene vulgaris  (Moench) Garcke bladder campion
Silphium laciniatum  L. compass plant
Silybum marianum  (L.) Gaertn. holy thistle, milk thistle
Simaroubaceae  
Simmondsia chinensis  (Link) C.K.Schneid. goat nut, jojoba, pig nut
Sinapis alba  L. white mustard
Sinapis arvensis  L. charlock, runch
Sinningia speciosa  (Lodd.) Hiern gloxinia
Sisymbrium altissimum  L. tumbleweed
Sisymbrium irio  L. London rocket
Sisymbrium officinale  (L.) Scop. hedge mustard
Sisyrinchium  L. blue-eyed grass
Sium sisarum  L. crummock, skirret
Smallanthus sonchifolius  (Poepp. & Endl.) H.Rob. earth apple
Smilax china  L. Chinese root
Smilax rotundifolia  L. bull briar, bull brier
Smyrnium olusatrum  L. alexanders
Socratea exorrhiza  (Mart.) H.Wendl. paxiuba palm
Solanaceae  
Solanales  Bercht. & J.Presl
Solandra maxima  (Sessé & Moç.) P.S.Green chalice vine
Solanum aculeatissimum  Jacq. Sodom apple
Solanum aethiopicum  L. bitterberry
Solanum betaceum  Cav. tamarillo, tree-tomato
Solanum centrale  J.M.Black bush tomato
Solanum dulcamara  L. bittersweet, woody nightshade
Solanum laciniatum  Aiton kangaroo apple
Solanum laxum  Spreng. potato vine
Solanum linnaeanum  Hepper & P.-M.L.Jaeger Sodom apple
Solanum lycopersicum  L. love-apple, tomato
Solanum macrocarpon  L. A  T  U 
Solanum mammosum  L. macaw bush
Solanum melongena  L. aubergine, badinjan, brinjal, egg plant, Jew's apple
Solanum muricatum  Aiton melon pear, pepino, tree melon
Solanum nigrum  L. black nightshade
Solanum pimpinellifolium  L. currant tomato
Solanum pseudocapsicum  L. Jerusalem cherry, winter cherry
Solanum quitoense  Lam. lulo, naranjilla, Quito orange
Solanum retroflexum  Dunal sunberry, wunderberry
Solanum rostratum  Dunal buffulo bur, Kansas thistle
Solanum scabrum  Mill. huckleberry
Solanum sessiliflorum  Dunal cocoña, peach tomato
Solanum torvum  Sw. pea egg plant
Solanum tuberosum  L. potato
Soleirolia soleirolii  (Req.) Dandy helxine, mind-your-own-business, mother-of-thousands
Solidago x luteus  (Dress) Brouillet & Semple solidaster
Soliva  Ruiz & Pav.
Sonchus  L. milk thistles
Sonchus oleraceus  L. sowthistle
Sophora japonica  L.
Sophora tetraptera  J.F.Mill. kowhai
Sorbus americana  Marshall roundwood
Sorbus aria  (L.) Crantz whitebeam
Sorbus aucuparia  L. mountain ash, quickbeam, rowan
Sorbus domestica  L. Whitty pear
Sorbus intermedia  (Ehrh.) Pers. Swedish whitebeam
Sorbus torminalis  (L.) Crantz service tree, wild service tree
Sorghum  Moench Guinea corn, kaolang
Sorghum bicolor  (L.) Moench dari, durra, great millet, imphee, jowar
Sorghum bicolor Saccharatum-Gruppen  
Sorghum bicolor Technicum-Gruppen   broom corn, Florence whisk, Italian whisk, Venetian whisk
Sorghum x drummondii  (Steud.) Millsp. & Chase Sudan grass
Sorghum halepense  (L.) Pers. Johnson grass
Soymida  A.Juss.
Soymida febrifuga  (Roxb.) A.Juss. bastard cedar, Indian redwood
Spananthe  Jacq.
Sparganiaceae  
Sparganium  L. bur reed
Sparganophoros  Vaill.
Sparganophoros sparganophora  (L.) C.Jeffrey
Sparganophorus  Boehm.
Sparrmannia  L.f.
Sparrmannia africana  L.f. African hemp, house lime, stock rose
Spartina  Schreb. cord grass, marsh grass
Spartium junceum  L. Spanish broom
Spathiphyllum  Schott peace lilies
Spathodea campanulata  P.Beauv. African tulip tree, flame tree, fountain tree, Nandi flame
Spatholobus  Hassk.
Spergula arvensis  L. corn spurrey, spurrey
Spergularia  (Pers.) J.Presl & C.Presl sand spurrey
Spermacoce  L.
Sphaeralcea  A.St.-Hil.
Sphaerophysa  DC.
Sphagneticola  O.Hoffm.
Sphagneticola trilobata  (L.) Pruski Singapore daisy
Spigelia marilandica  (L.) L. Maryland pinkroot
Spinacia  L.
Spinacia oleracea  L. spinach
Spiraea tomentosa  L. hardhack, steeplebush
Spiranthes  Rich. lady's tresses
Spirodela  Schleid.
Spondias cytherea  Sonn.
Spondias dulcis  Parkinson ambarella, Jew's plum, li tree, Otaheite apple
Spondias mombin  L. caja fruit, jobo, yellow mombin
Spondias purpurea  L. jocote, ovo, red mombin, Spanish plum
Sprekelia formosissima  (L.) Herb. Jacobean lily
Sredinskya  (Stein) Fedorov
Stachys affinis  Bunge Chinese artichoke, crosnes, Japanese artichoke
Stachys byzantina  K.Koch lamb's ears
Stachys palustris  L. marsh betony
Stachytarpheta  Vahl
Stachytarpheta jamaicensis  (L.) Vahl devil's coachwhip
Stangeria  T.Moore
Stangeriaceae  
Stapelia  L.
Staphylea  L. bladder nuts
Staurogyne  Wall.
Stelechocarpus  Hook.f. & Thomson
Stelechocarpus burahol  (Blume) Hook.f. & Thomson keppel fruit
Stellaria  L. chickweed, starwort, stitchwort
Stellaria holostea  L. adder's meat, greater stitchwort
Stellaria media  (L.) Vill. common chickweed
Stenandrium  Nees
Stenanthium  (A.Gray) Kunth
Stenocarpus sinuatus  Endl. firewheel tree
Stenomesson  Herb.
Stenotaphrum secundatum  (Walter) Kuntze buffalo grass, Saint Augustine grass
Stephanotis  Thouars
Stephanotis floribunda  Brongn. floradora, Madagascar jasmine, stephanotis
Sterculia  L.
Sterculiaceae  
Stevia rebaudiana  (Bertoni) Bertoni caa-ehe
Sticherus  C.Presl
Stilbaceae  
Stipa  L. corkscrew grass, feather grass
Stratiotes aloides  L. water soldier
Strelitzia reginae  Aiton bird-of-paradise, crane flower