| Abelia | x grandiflora | Glossy Abelia |
| Abelmoschus | moschatus | musk mallow |
| Abelmoschus | esculentus | Okra |
| Aberia | caffra | Kai apple |
| Aberia | kaffra | Kau Apple |
| Abies | lasiocarpa | Alpine Fir |
| Abies | balsamea | Balsam fir |
| Abies | pinsapo glauca | Blue Spanish fir |
| Abies | magnifica | California red fir |
| Abies | concolor | Colorado Fir |
| Abies | alba | European Silver Fir |
| Abies | fabri | Faber’s fir |
| Abies | grandis | Giant fir |
| Abies | cephalonica | Greek Fir |
| Abies | homolepis | Nikko fir |
| Abies | procera | Noble Fir |
| Abies | amabilis | Red Silver Fir |
| Abies | bracteata | Santa Lucia Fir |
| Abies | | Silver fir |
| Abies | forrestii | Silver Fir |
| Abies | pindrow | West Himalayan fir |
| Abrus | precatorius | Coral Bead Vine |
| Abutilon | hybridum maximum | Benary’s Giant |
| Abutilon | grandifolium | Flowering Maple |
| Abutilon | hybr. | Flowering Maple |
| Acacia | abyssicina | Acacia |
| Acacia | glaucophylla | Acacia |
| Acacia | gummifera | Acacia |
| Acacia | nilotica | Acacia |
| Acacia | senegal | Acacia |
| Acacia | | Acacias |
| Acacia | albida | Apple-ring Acacia |
| Acacia | berteriana | Bastard Logwood |
| Acacia | decurrens | Black Wattle (Australia) |
| Acacia | melanoxylon | Blackwood Acacia |
| Acacia | saligna | Blue-leaf Wattle |
| Acacia | giraffae | Camel Thorn |
| Acacia | greggii | Catsclaw |
| Acacia | caffra | Cat-thorn |
| Acacia | elata | Cedar Wattle |
| Acacia | sophorae | Coastal Wattle |
| Acacia | baileyana | Cootamunda Wattle |
| Acacia | drummondii | Drummond’s wattle |
| Acacia | victoriae | Elegant Acacia |
| Acacia | dunnii | Elephant Ear Wattle |
| Acacia | glaucoptera | Flatwattle |
| Acacia | brachybotrya | Grey Mulga |
| Acacia | farnesia | Huisache |
| Acacia | maidenii | Maiden’s Wattle |
| Acacia | aneura | Mulga Acacia |
| Acacia | pravissima | Oven’s wattle |
| Acacia | farnesiana | Perfume Acacia |
| Acacia | verticillata | Prickly moses |
| Acacia | baileyana var. purpurea | Purple-leaved Cootamunda |
| Acacia | podalyriifolia | Queensland wattle |
| Acacia | acuminata | Raspberry Jam Wood |
| Acacia | rubida | Redstem |
| Acacia | nemu: | Silk tree |
| Acacia | dealbata | Silver Wattle |
| Acacia | decurrens var. dealbata | Silver Wattle |
| Acacia | suaveolens | Sweet Winter Wattle |
| Acacia | karroo | Sweet-thorn |
| Acacia | longifolia | Sydney Golden Wattle |
| Acacia | riceana | Tasmanian Prickly Moses |
| Acacia | oswaldii | Umbrella Wattle |
| Acacia | verniciflua | Varnish wattle |
| Acacia | arabica | Wattle (East Africa) |
| Acacia | pendula | Weeping Myall |
| Acacia | retinoides | Wirilda |
| Acacia | macradenia | Zig-zag Wattle |
| Acaena | inermis | Blue-mountain bidi-bidi |
| Acaena | novae-zealandiae | Red bidi-bidi |
| Acaena | microphylla | Scarlet bidi-bidi |
| Acalypha | hispida | Chenille Plant |
| Acanthopanax | senticosus | Siberian ginseng |
| Acanthus | mollis | Bear’s Breech |
| Acanthus | spinosus | Bear’s Breech |
| Acanthus | dioscorides var. peringii | Dwarf Bear’s Breech |
| Acanthus | balcanicus | Long-leaved Bear’s Breech |
| Acanthus | spinosus var. spinosissimus | Spiny Bear’s Breech |
| Acca | selloviana | Pineapple Guava |
| Acer | ginnala: | Amur maple |
| Acer | macrophyllum | Bigleaf maple |
| Acer | saccharinum | Bird’s Eye Maple |
| Acer | palmatum atropurpureum | Blood leaf Japanese maple |
| Acer | negundo | box elder |
| Acer | campestre | Common Maple |
| Acer | glabrum | Douglas maple |
| Acer | pseudoplatanus | Great Maple |
| Acer | hersii | Hers’ maple |
| Acer | palmatum | Japanese Maple |
| Acer | japonicum | Japanese Maple UK |
| Acer | mandshuricum | Manchurian maple |
| Acer | | Maples |
| Acer | monspessulanum | Montpellier maple |
| Acer | nikoënse | Nikko Maple USA |
| Acer | platanoides | Norway Maple |
| Acer | griseum | Paperbark Maple |
| Acer | davidii | Père David’s Maple |
| Acer | rubrum | Red Maple |
| Acer | triflorum | Rough-barked maple |
| Acer | pensylvanicum | Snake-barked Maple UK |
| Acer | saccharum | Sugar Maple |
| Acer | tataricum | Tartarian maple |
| Acer | buergerianum | Trident maple |
| Acer | circinatum | Vine maple |
| Achillea | macrophylla | Broad-leaved Yarrow |
| Achillea | nobilis | Creamy Yarrow |
| Achillea | nana | Dwarf Alpine Yarrow |
| Achillea | filipendulina | Fern-leaf Yarrow |
| Achillea | frassii | Filigree Yarrow |
| Achillea | decolorans | Garden Mace |
| Achillea | moschata | Iva |
| Achillea | sibirica | Siberian Yarrow |
| Achillea | clavennae | Silver Yarrow |
| Achillea | ptarmica | Sneezewort Yarrow |
| Achillea | ageratum | Sweet Yarrow |
| Achillea | tomentosa | Woolly Yarrow |
| Achillea | clypeolata | Yarrow |
| Achillea | ligustica | Yarrow |
| Achillea | millefolium | Yarrow |
| Achillea | millefolium ssp.sudecita | Yarrow |
| Achillea | x lewisii | Yarrow King Edward |
| Achimenes | hybrida | Cupid’s bower |
| Achlys | triphylla | Vanilla leaf |
| Acinos | alpinus | Basil Thyme |
| Acinos | thymoides | Basil Thyme |
| Acinos | arvensis | basil-thyme |
| Aconitum | | Aconite |
| Aconitum | columbianum | Aconite |
| Aconitum | fischeri | Aconite |
| Aconitum | cynoctonum | Dog’s Bane |
| Aconitum | laciniatum | Indian Aconite |
| Aconitum | uncinatum var. japonicum | Japanese Aconite |
| Aconitum | ardensii | Monk’s Cap Wolfsbane |
| Aconitum | napellus | True Monkshood |
| Aconitum | lycoctonum | Wolf’s Bane |
| Aconitum | wilsonii | Wolfsbane |
| Aconitum | anthora | Yellow monkshood |
| Aconitum | pyrenaicum | Yellow Wolfsbane |
| Aconogonon | weyrichii | White Knotweed |
| Acorus | calamus | Sweet Sedge |
| Acridocarpus | natalitius | Feather climber |
| Actaea | | Baneberry |
| Actaea | rubra | Baneberry |
| Actaea | spicata | Baneberry |
| Actaea | pachypoda | White Baneberry |
| Actaea | alba | White Cohosh |
| Actinella | grandiflora | Pigmy Sunflower |
| Actinidia | chinensis: | Kiwi fruit |
| Actinidia | deliciosa | kiwifruit |
| Actinidia | polygama | Silver vine |
| Actinidia | arguta | Tara vine |
| Actinotus | helianthi | Flannel-flower |
| Actinotus | leucoephalus | white-headed flannel flow |
| Adansonia | digitata | Baobab |
| Adansonia | gregorii | Bottle Tree |
| Adenium | obesum | Desert Rose |
| Adenophora | potaninii | Bush ladybell |
| Adenophora | liliifolia | Common ladybell |
| Adhatoda | vasica | Malabar Nut |
| Adiantum | pedatum | Maidenhair (Canadian) |
| Adiantum | aethiopicum | Maidenhair (Ethiopia) |
| Adiantum | fragile | Maidenhair (Jamaica) |
| Adiantum | radiatum | Maidenhair (Jamaica) |
| Adiantum | trapeziforme | Maidenhair (Mexico) |
| Adiantum | capillus-veneris | True Maidenhair |
| Adonis | autumnalis | False Hellebore |
| Adonis | aestivalis | Pheasant’s eye |
| Adonis | vernalis | Pheasant’s eye |
| Adoxa | moschatellina | Common Moschatel |
| Aechmea | fasciata | Urn Plant |
| Aegle | marmelos | Bael |
| Aegle | sepiaria: | Trifoliate orange |
| Aegopodium | podagraria | Goutweed |
| Aesculus | californica | California Buckeye |
| Aesculus | hippocastanum | Horse Chestnut |
| Aesculus | indica | Horse Chestnut |
| Aesculus | octandra | Horse Chestnut |
| Aesculus | parviflora | Horse Chestnut |
| Aesculus | x carnea | Pink Horse Chestnut |
| Aesculus | pavia | Red Buckeye |
| Aethusa | cynapium | Fool’s Parsley |
| Agapanthus | africanus | African Lily |
| Agapanthus | campanulatus | Bell agapanthus |
| Agastache | anethiodora: | Anise hyssop |
| Agastache | anisata | Anise hyssop |
| Agastache | foeniculum | Anise Hyssop |
| Agastache | urticifolia | Giant hyssop |
| Agastache | scrophulariaefolia | Hyssop |
| Agastache | rugosa | Korean Mint |
| Agastache | breviflora | Lemon Licorice Mint |
| Agastache | mexicana | Mexican Lemon Hyssop |
| Agastache | cana | Mosquito plant |
| Agastache | nepetoides | Yellow Giant-hyssop |
| Agathophyllum | aromaticum | Clove Nutmeg |
| Agathosma | betulina | Buchu |
| Agathosma | ovata | False Buchu |
| Agathosma | crenulata | Oval Buchu |
| Agave | americana | Agave |
| Agave | | Century Plant |
| Agave | lechugilla | Lechugilla |
| Ageratum | houstonianum | Floss Flower |
| Ageratum | conyzoides | Flossflower |
| Agnus | castus | Chaste Tree |
| Agonis | flexuosa | Peppermint Willow Myrtle |
| Agonis | | Willow Myrtle |
| Agoseris | grandiflora | Mountain Dandelion |
| Agrimonia | eupatoria | Agrimony |
| Agrimonia | pilosa: | Agrimony |
| Agrimonia | viscidula: | Agrimony |
| Agrimonium | agrimonoides | Bastard Agrimony (Italy) |
| Agrostemma | | Corn Cockle |
| Agrostemma | githago | Corn Cockle |
| Agrostis | castellana | Highland Bent |
| Ailanthus | altissima | Tree of heaven |
| Ailanthus | glandulosa | Tree of Heaven |
| Aircuma | angustifolia | East Indian Arrowroot |
| Ajuga | reptans | Common Bugle |
| Ajuga | pyramidalis | Erect Bugle |
| Ajuga | chamaepitys | Yellow Bugle |
| Alaria | esculenta | Kelp |
| Albizia | adianthifolia | Munjerenje |
| Albizia | julibrissin | Silk Tree |
| Alcea | rosea var. nigra | Black Hollyhock |
| Alcea | rugosa | Hairy Hollyhock |
| Alcea | rosea | Hollyhock |
| Alcea | ficifolia | Perennial Hollyhock |
| Alchemilla | hoppeana | Alpen Lady’s Mantle |
| Alchemilla | alpina | Alpine Lady’s Mantle |
| Alchemilla | erythropoda | Dwarf Lady’s Mantle |
| Alchemilla | monticola | Dwarf Lady’s Mantle |
| Alchemilla | mollis | Lady’s Mantle |
| Alchemilla | vulgaris | Lady’s Mantle |
| Alchemilla | xanthochlora | Lady’s Mantle |
| Alchemilla | arvensis | Parsley Piert |
| Aletris | farinosa | True Unicorn Root |
| Aleurites | laccifera | Gum-lac |
| Aleurites | moluccana | Lambang |
| Aleurites | cordata | Tung Oil |
| Alhagi | pseudalhagi | camelthorn |
| Alisma | plantago | Water plantain |
| Alisma | plantago-aquatica | Water Plantain |
| Alliaria | petiolata | Garlic Mustard |
| Allium | canadense | Canada garlic |
| Allium | odorum | Chinese chive |
| Allium | tuberosum | Chinese Chives |
| Allium | schoenoprasum | Chives |
| Allium | vineale | Crow Garlic |
| Allium | ampeloprasum | Elephant Garlic |
| Allium | oleraceum | Field Garlic |
| Allium | flavum | Fragrant yellow Allium |
| Allium | cepa | Garden Onion |
| Allium | sativum | Garlic |
| Allium | mortanum | Giant Chives |
| Allium | scorodoprasum | Giant Garlic |
| Allium | aflatunense | Giant Persian Allium |
| Allium | sphaerocephalon | Globe Garlic |
| Allium | acuminatum | Hooker’s onion |
| Allium | sativum var. ophioscordon | Italian Garlic |
| Allium | porrum | Leek |
| Allium | victorialis | Long-rooted Garlic |
| Allium | cernuum | Nodding Pink Onion |
| Allium | crenulatum | Olympic onion |
| Allium | | Onions |
| Allium | macleanii | Oriental Royal Salep |
| Allium | cepa var. aggregatum | Potato Onion |
| Allium | stellatum | Prairie Onion |
| Allium | ursinum | Ramsons |
| Allium | triquetrum | Three-cornered Leek |
| Allium | cepa var. viviparum | Tree Onion |
| Allium | x proliferum | Tree Onion |
| Allium | fistulosum | Welsh Onion |
| Allium | tricoccum | Wild Leek |
| Alnus | glutinosa | Common Alder |
| Alnus | incana | Grey alder |
| Alnus | cordata | Italian Alder |
| Alnus | incana ssp. tenuifolia: | Mountain alder |
| Alnus | tenuifolia | Mountain alder |
| Alnus | rubra | Red alder |
| Alnus | crispa subsp.sinuata | Sitka alder |
| Alnus | sinuata | Sitka alder |
| Alnus | sinuata: | Sitka alder |
| Alnus | sitchensis: | Sitka alder |
| Alnus | viridis ssp. sinuata: | Sitka alder |
| Alnus | serrulata | Tag Alder |
| Aloë | perryi | Aloe |
| Aloë | barbadensis | Aloe vera |
| Aloë | vera | Aloe vera |
| Aloë | ferox | Cape Aloë |
| Aloë | chinensis | Curacoa Aloe |
| Aloë | abyssinia | Jafferabad Aloe |
| Aloë | vulgaris | Musambra Aloe |
| Aloë | variegata | Partridge-breasted Aloe |
| Alonsoa | | Mask Flower |
| Alonsoa | warscewiczii | Mask Flower |
| Aloysia | triphylla | Lemon Verbena |
| Alpinia | galanga | Greater Galangal |
| Alpinia | japonica | Hana-Myoga |
| Alpinia | officinarum | Lesser Galangal |
| Alpinia | purpurata | Red Ginger |
| Alpinia | nutans | Shell Ginger |
| Alstonia | constricta | Alstonia Bark |
| Alstonia | scholaris | Dita Bark |
| Alstonia | spectabilis | Poele Bark |
| Alstroemeria | psittacina | Decorative Peruvian Lily |
| Alstroemeria | pulchella | Decorative Peruvian Lily |
| Alstroemeria | | Peruvian Lily |
| Alstroemeria | aurea | Peruvian Lily |
| Alstroemeria | haemantha | Peruvian Lily |
| Alstroemeria | ligtu | Peruvian Lily |
| Alstroemeria | ligtu x haemantha | Peruvian Lily |
| Althaea | ficifolia | Antwerp hollyhock |
| Althaea | rosea | hollyhock |
| Althaea | | Mallows |
| Althaea | officinalis | Marshmallow |
| Althaea | armeniaca | Russian Mallow |
| Alyogyne | huegelii | Blue Hibiscus |
| Alyssoides | utriculata | Bladderpod |
| Alyssum | cuneifolium | Dwarf Alyssum |
| Alyssum | murale | Silver Alyssum |
| Amaranthus | | Amaranth |
| Amaranthus | campestris | Amaranth |
| Amaranthus | hypochondriacus | Amaranth |
| Amaranthus | oleraceus | Amaranth |
| Amaranthus | polygonoides | Amaranth |
| Amaranthus | spinosa | Amaranth |
| Amaranthus | gangeticus | Amaranth Greens |
| Amaranthus | mangostanus | Hijau Salad Amaranth |
| Amaranthus | tricolor | Joseph’s Coat |
| Amaranthus | caudatus | Love Lies Bleeding |
| Amaranthus | cruentus | Prince’s Feather |
| Amaranthus | paniculatus | Scarlet amaranth |
| Amaranthus | blitus | Wild Amaranth |
| Amaryllis | belladonna | Belladonna Lily |
| Amberboa | moschata | Sweet Sultan |
| Ambrosia | mexicana | Ambrosia |
| Amelanchier | florida: | saskatoon |
| Amelanchier | alnifolia | serviceberry |
| Amelanchier | ovalis | Service-berry |
| Amelanchier | canadensis | Shadblow |
| Amelopsis | grana paradisi | Grains of Paradise |
| Amethystea | caerulea | Indian gems |
| Ammi | majus | Bishop’s Flower |
| Ammi | visnaga | Visnaga |
| Ammobium | alatum var. grandiflorum | Ammobium |
| Ammobium | | Winged Everlasting |
| Ammobium | alatum | Winged Everlasting |
| Amomum | xanthioides | Bastard Cardamums |
| Amomum | subulatum | Bengal Cardamoms |
| Amomum | cardamomum | Cluster cardamom |
| Amomum | zingiber: | Ginger |
| Amomum | kararima | Korarima Cardamoms |
| Amomum | angustifolium | Madagascar Cardamums |
| Amomum | compactum | Round cardamom |
| Amomum | globosum | Siam Cardamums |
| Amomum | curcuma: | Turmeric |
| Amomum | maximum | Winged Java Cardamoms |
| Amorpha | canescens | Leadplant |
| Amorphophallus | campanulatus | Dragon Arum |
| Amorphophallus | rivieri | Voo Doo Bulbs |
| Amygdalus | persica: | Peach tree |
| Anacardium | occidentale | Cashew Nut |
| Anacyclus | pyrethrum | Pellitory |
| Anagallis | tenella | Bog Pimpernel |
| Anagallis | | Pimpernel |
| Anagallis | arvensis | Scarlet Pimpernel |
| Anamirta | paniculata | Indicus Cocculus |
| Ananas | comosus | Pineapple |
| Anaphalis | margaritaceae var. yedoens | Pearl Everlasting |
| Anaphalis | nubigena | Pearl Everlasting |
| Anaphalis | triplinervis | Pearl Everlasting |
| Anaphalis | margaritacea | Pearly Everlasting |
| Anchusa | | Alkanet |
| Anchusa | tinctoria | Alkanet |
| Anchusa | azurea | Bugloss |
| Anchusa | capensis | Bugloss |
| Anchusa | officinalis | Common Alkanet |
| Anchusa | sempervirens | Evergreen Alkanet |
| Andira | araroba | Araroba |
| Andira | inermis | Cabbage Tree |
| Andira | retusa | Cabbage Tree |
| Andromeda | polifolia | Bog-rosemary |
| Andropogon | gerardi | Big Bluestem |
| Andropogon | | Bluestem |
| Andropogon | scoparius | Little Bluestem |
| Andropogon | saccharoides | Silver beardgrass |
| Anemone | pratensis | Anemone |
| Anemone | ranunculoides | Anemone |
| Anemone | | Anemony |
| Anemone | rivularis | Brook Anemone |
| Anemone | canadensis | Canada Anemone |
| Anemone | vitifolia | Grape-leaf Anemone |
| Anemone | pavonia | Great Peacock Anemone of |
| Anemone | hupehensis | Japanese Anemone |
| Anemone | blanda | Mountain Windflower of Gr |
| Anemone | cernua | Nodding anemone |
| Anemone | pulsatilla var. chinensis: | Nodding anemone |
| Anemone | patens | Pasque Flower |
| Anemone | elegans | Pink Japanese Anemone |
| Anemone | coronaria | Poppy Anemone |
| Anemone | virginiana | Thimble Weed |
| Anemone | cylindrica | Thimbleweed |
| Anemone | nemorosa | Wood Anemone |
| Anemopsis | californica | Yerba Mansa |
| Anethum | | dill |
| Anethum | graveolens | Dill |
| Anethum | foeniculum: | Fennel |
| Anethum | sowa | Indian Dill |
| Angelica | atropurpurea | American Angelica |
| Angelica | | Angelica |
| Angelica | archangelica | Angelica |
| Angelica | hendersonii | Angelica |
| Angelica | lineariloba | Angelica |
| Angelica | polymorpha | Angelica |
| Angelica | tomentosa | Angelica |
| Angelica | dahurica | Bai Zhi |
| Angelica | ursina | Bear’s Angelica |
| Angelica | sinensis | Chinese angelica |
| Angelica | archangelica subsp. archangelica | Holy Ghost |
| Angelica | genuflexa | Kneeling Angelica |
| Angelica | gigas | Korean Angelica |
| Angelica | arguta | Mountain Angelica |
| Angelica | pinnata | Osha del Campo |
| Angelica | sylvestris | Wild Angelica |
| Anhalonium | lewinii | Mescal Buttons |
| Anhalonium | williamsii | Mescal Buttons |
| Anigozanthos | humilis | catspaw |
| Anigozanthos | | Kangaroo Paws |
| Anigozanthos | manglesii | Kangaroo Paws |
| Annona | glabra | Custard Apple |
| Annona | squamosa | Custard Apple |
| Annona | tripetala | Custard Apple |
| Annona | palustris | Shiningleaved Custard Ap |
| Antennaria | dioica | Catsfoot |
| Antennaria | margaritaceum | Pearlflowered Life Everla |
| Antennaria | neglecta | Pussy-toes |
| Antennaria | plantaginifolia | White Plantain |
| Anthemis | | Chamomile |
| Anthemis | arvensis | Corn Chamomile |
| Anthemis | tinctoria | Dyer’s Chamomile |
| Anthemis | nobilis | Roman Chamomile |
| Anthemis | maritima | Seaside Chamomile |
| Anthemis | sancti-johannis | St John’s Chamomile |
| Anthemis | cotula | Stinking Chamomile |
| Anthemis | carpatica | White Mat Chamomile |
| Anthericum | liliago | St Bernard’s Lily |
| Anthoxanthum | odoratum | Sweetscented Vernal Grass |
| Anthriscus | | Chervil |
| Anthriscus | cerefolium | Chervil |
| Anthriscus | sylvestris | Cow Parsley |
| Anthriscus | cerefolium crispum | curled chervil |
| Anthurium | Andreanum-hybr. | Flamingo Plant |
| Antiaris | toxicaria | Upas Tree |
| Antigonon | leptopus | Coral Vine |
| Antirrhinum | orontium | Calf’s Snout |
| Antirrhinum | | Snapdragon |
| Antirrhinum | majus | Snapdragon |
| Apios | americana | Groundnut |
| Apium | graveolens var. rapaceum | Celeriac |
| Apium | graveolens | Celery |
| Aplopappus | discoideus | False Damiana |
| Aplopappus | laricifolius | False Damiana |
| Aplotaxis | auriculata | Castus |
| Apocynum | cannabinum | Canacian Hemp |
| Apocynum | androsaemifolium | Dogsbane |
| Aponogeton | distachyus | Cape Pondweed |
| Aquilegia | alpina | Alpine Columbine |
| Aquilegia | | Columbine |
| Aquilegia | hybr. | Columbine |
| Aquilegia | longissima | Columbine |
| Aquilegia | vulgaris | Columbine |
| Aquilegia | canadensis | Common American Columbine |
| Aquilegia | atrata | Dark columbine |
| Aquilegia | chrysantha | yellow queen columbine |
| Arabis | alpina | Alpine Rockcress |
| Arabis | blepharophylla | Carmine rose rock cress |
| Arabis | | Rock Cress |
| Arabis | caucasica | Snow-in-summer |
| Arachis | hypogaea | Peanut |
| Aralia | nudicaulis | American Sarsaparilla |
| Aralia | racemosa | American Spikenard |
| Aralia | chinensis | Angelica Tree |
| Aralia | californica | Californian Spikenard |
| Aralia | hispida | Dwarf Elder (USA) |
| Aralia | spinosa | Prickly Elder |
| Aralia | papyrifera: | Rice-paper tree |
| Araucaria | araucana | Chilean Pine |
| Arbutus | unedo | Killarney Strawberry Tree |
| Arbutus | menziesii | Madrona |
| Arbutus | andrachne | Strawberry Tree |
| Arbutus | x andrachnoides | Strawberry Tree |
| Arbutus | rufescens | White Pareira Brava |
| Arctium | lappa ‘Takinogawa long’ | Gobo |
| Arctium | lappa | Great burdock |
| Arctium | minus | Lesser Burdock |
| Arctium | tomentosum | Woolly Burdock |
| Arctostaphylos | polifolia | Bearberry |
| Arctostaphylos | uva-ursi | Bearberry |
| Arctostaphylos | alpina | Black Bearberry |
| Arctostaphylos | columbiana | Hairy manzanita |
| Arctostaphylos | tomentosa | Madrona |
| Arctostaphylos | glauca | Manzanita |
| Arctostaphylos | nevadensis | Pinemat manzanita |
| Arctotis | breviscapa | African Daisy |
| Arctotis | hybrida | African Daisy |
| Arctotis | venusta | African Daisy |
| Arctotis | stoechadifolia | Blue-eyed African daisy |
| Ardisia | crenata | Coralberry |
| Areca | dicksoni | Areca Nut (Malabar) |
| Areca | catechu | Betel Palm |
| Areca | hortensis: | Betel palm |
| Areca | aleraceae | True Betel Nut |
| Arenaria | rubra | Common Sandspurry |
| Argemone | mexicana | Prickly Poppy |
| Argemone | pleiacantha | White prickly poppy |
| Argyranthemum | frutescens | Marguerite |
| Arisaema | triphyllum | Jack-in-the-pulpit |
| Aristolochia | | Birthwort |
| Aristolochia | anguicida | Birthwort |
| Aristolochia | argentea | Birthwort |
| Aristolochia | argentina | Birthwort |
| Aristolochia | bracteata | Birthwort |
| Aristolochia | brasiliensis | Birthwort |
| Aristolochia | clematitis | Birthwort |
| Aristolochia | indica | Birthwort |
| Aristolochia | longa | Birthwort |
| Aristolochia | sempervirens | Birthwort |
| Aristolochia | elegans | Calico Plant |
| Aristolochia | californica | California Snakeroot |
| Aristolochia | cymbifera | Guaco |
| Aristolochia | watsonii | Indian Root |
| Aristolochia | sipho | Pipe-vine |
| Aristolochia | pistolochia | Pistolochia |
| Aristolochia | serpentaria | Snakeroot |
| Aristolochia | reticulata | Texas Snakeroot |
| Aristolochia | tomentosa | Woolly Dutchman’s Pipe |
| Aristolochia | foetida | Yerba Del Indio |
| Armeniaca | vulgaris: | Apricot tree |
| Armeria | formosa | Sea Thrift |
| Armeria | maritima | Sea Thrift |
| Armeria | pseudoarmeria | Sea Thrift |
| Armeria | | Thrift |
| Armeria | juniperifolia | Thrift |
| Armoracia | rusticana | Horseradish |
| Arnebia | echioides | Prophet Flower |
| Arnica | chamissonis | American Arnica |
| Arnica | | Arnica |
| Arnica | diversifolia | Arnica |
| Arnica | longifolia | Arnica |
| Arnica | mollis | Arnica |
| Arnica | parryi | Arnica |
| Arnica | latifolia | Broadleaf Arnica |
| Arnica | montana | European Arnica |
| Arnica | cordifolia | Heartleaf Arnica |
| Arnoseris | pusilla | Swine’s Chicory |
| Artemisia | afra | African wormwood |
| Artemisia | laxa | Alpine Wormwood |
| Artemisia | | Artemisia |
| Artemisia | tridentata | Basin sagebrush |
| Artemisia | genipi | Black Wormwood |
| Artemisia | californica | California sagebrush |
| Artemisia | camphorata | Camphor Southernwood |
| Artemisia | chamaemelifolia | Chamomile-leaved Artemisi |
| Artemisia | absinthium | Common Wormwood |
| Artemisia | campestris | Field Southernwood |
| Artemisia | dracunculus var. sativa | French Tarragon |
| Artemisia | frigida | Fringed Wormwood |
| Artemisia | igniaria: | Mugwort |
| Artemisia | indica: | Mugwort |
| Artemisia | integrifolia: | Mugwort |
| Artemisia | lavandulaefolia: | Mugwort |
| Artemisia | vulgaris | Mugwort |
| Artemisia | stellerana | Old Woman |
| Artemisia | pontica | Roman Wormwood |
| Artemisia | dracunculus var. inodora | Russian Tarragon |
| Artemisia | filifolia | Sand sage |
| Artemisia | cina | Santonica |
| Artemisia | maritima | Sea Wormwood |
| Artemisia | ludoviciana var. albula | Silver King Wormwood |
| Artemisia | schmidtiana | Silver Mound |
| Artemisia | schmidtiana ‘Nana’ | Silver Mound Wormwood |
| Artemisia | cana | Silver Sagebrush |
| Artemisia | abrotanum | Southernwood |
| Artemisia | annua | Sweet Annie |
| Artemisia | vallesiaca | Swiss Wormwood |
| Artemisia | dracunculus | Tarragon |
| Artemisia | arborescens | Tree Wormwood |
| Artemisia | ludoviciana | Western Mugwort |
| Artemisia | lactiflora | White Mugwort |
| Artemisia | judaica | Wormwood |
| Arum | triphyllum | American Wake Robin |
| Arum | creticum | Arum |
| Arum | dioscorides | Arum |
| Arum | montanum | Arum |
| Arum | italicum | Italian Arum |
| Arum | indicum | Mankuchoo |
| Arum | maculatum | Portland Arrowroot |
| Aruncus | aethusifolius | Dwarf Goatsbeard |
| Aruncus | dioicus | Goat’s Beard |
| Aruncus | sinensis | Goatsbeard |
| Asarina | erubescens | Creeping Gloxinia |
| Asarina | procumbens | Creeping snapdragon |
| Asarum | europaeum | Asarabacca |
| Asarum | canadense | Wild Ginger |
| Asclepias | curassavica | Blood Flower |
| Asclepias | erosa | Desert Milkweed |
| Asclepias | | Milkweed |
| Asclepias | tuberosa | Pleurisy root |
| Asclepias | syriaca | Purple silkweed |
| Asclepias | vincetoxicum | Swallow-wort |
| Asclepias | incarnata | Swamp Milkweed |
| Asimina | triloba | Cherimoya |
| Asparagus | officinalis | Asparagus |
| Asparagus | cochinchinensis | Chinese asparagus |
| Asparagus | setaceus | Cypress asparagus fern |
| Asparagus | lucidus | Shiny asparagus |
| Asperula | tinctoria | Dyer’s Woodruff |
| Asperula | orientalis | Oriental Woodruff |
| Asperula | cynanchica | Quinsy-wort |
| Asperula | | Woodruff |
| Asphodelus | ramosus | Asphodel |
| Asphodelus | fistulosus | Onion-leaved Asphodel |
| Asphodelus | luteus | Yellow Asphodel |
| Aspidistra | elatior | Cast iron plant |
| Aspidosperma | quebracho-blanco | Quebracho |
| Asplenium | nidus | Bird’s Nest Fern |
| Asplenium | adiantum nigrum | Black Spleenwort |
| Asplenium | trichomanes | Common Maidenhair |
| Asplenium | ceterach | Common Spleenwort |
| Asplenium | bulbiferum | Spleenwort |
| Asplenium | ruta-muraria | Wall Rue |
| Aster | alpinus | Aster |
| Aster | | Asters |
| Aster | linosyris | Goldilocks |
| Aster | modestus | Great North Aster |
| Aster | ericoides | Heath Aster |
| Aster | macrophyllus | Large-leaved Aster |
| Aster | novi-belgii | Michaelmas Daisy UK |
| Aster | novae-angliae | New England Aster |
| Aster | sericeus | Silky Aster |
| Aster | azureus | Sky Blue Aster |
| Aster | laevis | Smooth Aster |
| Aster | tataricus | Tartarian aster |
| Aster | ptarmicoides | White Aster |
| Astilbe | arendsii -hybr. | False Goat’s Beard |
| Astilbe | chinensis | False Goat’s Beard |
| Astilbe | davidii | False Goat’s Beard |
| Astragalus | canadensis | Canada Milk Vetch |
| Astragalus | membranaceus | Chinese Milkvetch |
| Astragalus | gummifer | Tragacanth |
| Astrantia | major | Masterwort |
| Astrantia | maxima | Masterwort |
| Astrantia | carniolica | Red masterwort |
| Atherosperma | moschata | New Holland Nutmeg |
| Athyrium | filix-femina | Lady Fern |
| Atractylodes | macrocephala | Bai zhu |
| Atriplex | hortensis | Garden Arrach |
| Atriplex | hortensis ‘Green Spires’ | Green Orach |
| Atriplex | nummularia | Old Man |
| Atriplex | hortensis ‘White or Yellow’ | Orach |
| Atriplex | hortensis ‘Red’ | Red Orach |
| Atriplex | | Saltbush |
| Atriplex | portulacoides | Sea Purslane |
| Atriplex | nitens | Shining Orache |
| Atriplex | hastata | Spear-leaved Orach |
| Atriplex | patula | Wild Arrach |
| Atropa | bella-donna | Deadly Nightshade |
| Atropa | belladonna | Deadly Nightshade |
| Atropa | mandragora | Mandrake |
| Aubrieta | | Purple Rock Cress |
| Aureolaria | laevigata | Smooth False Foxglove |
| Avena | sativa | Oats |
| Avena | barbara | wild oats |
| Avena | fatua | wild oats |
| Avouacouapa | retusa | Cabbage Tree |
| Azadirachta | indica | Neem Tree |
| Bacopa | monnieri | Water hyssop |
| Baileya | | Desert Marigold |
| Baileya | multiradiata | Desert Marigold |
| Ballota | pseudodictamnus | Ballota |
| Ballota | nigra | Black Horehound |
| Ballota | acetabulosa | Greek Horehound |
| Balsamita | vulgaris | Camphor Plant |
| Balsamodendron | africanum | African Bdellium |
| Balsamorhiza | sagittata | Balsam Root |
| Bambusa | | Bamboo |
| Banksia | | Banksia |
| Banksia | integrifolia | Coast Banksia |
| Banksia | ericifolia | Heath Banksia |
| Banksia | coccinea | Scarlet Banksia |
| Banksia | violacea | Violet Banksia |
| Baphia | nitida | Camwood |
| Baptisia | australis | Blue Wild Indigo |
| Baptisia | leucantha | White Prairie Wild Indigo |
| Baptisia | leucophaea | White Wild Indigo |
| Baptisia | | Wild Indigo |
| Baptisia | tinctoria | Wild Indigo |
| Barbarea | vulgaris | Common wintercress |
| Barbarea | verna | Upland Cress |
| Barosma | betulina | Buchu |
| Barosma | crenulata | Buchu |
| Barosma | serratifolia | Buchu |
| Bartsia | odontites | Red Bartsia |
| Bauhinia | galpinii | Pride of De Kaap |
| Bauhinia | purpurea | Purple Orchid Tree |
| Beaumontia | grandiflora | Herald’s Trumpet |
| Begonia | odorata | Begonia |
| Begonia | x hiemalis | Elatior begonia |
| Begonia | grandis | Hardy Begonia |
| Begonia | masoniana | Iron Cross |
| Belamcanda | chinensis | Blackberry Lily |
| Bellis | perennis | Common Daisy |
| Bellis | | English Daisy |
| Beloperone | guttata | Shrimp Plant |
| Benincasa | cerifera | Chinese preserving melon |
| Benincasa | hispida Cogn.: | Chinese preserving melon |
| Benincasa | hispida | Chinese Winter Melon |
| Benincasa | hispida var. chie-que | Mao Gwa |
| Berberis | amurensis | Barberry |
| Berberis | darwinii | Barberry |
| Berberis | nervosa | Barberry |
| Berberis | repens | Barberry |
| Berberis | x lologensis | Barberry |
| Berberis | x stenophylla | Barberry |
| Berberis | vulgaris | Common Barberry |
| Berberis | asiatica | Indian Barberry |
| Berberis | thunbergii | Japanese Barberry |
| Berberis | aristata | Nepal Barberry |
| Bergenia | purpurascens | Pig Squeak |
| Berlandiera | lyrata | Chocolate flower |
| Beta | vulgaris | Beetroot |
| Beta | vulgaris var. vulgaris | Chard |
| Beta | vulgaris var. conditiva | Red Beet |
| Beta | maritima: | Sea Beet |
| Beta | vulgaris subsp. maritima | Sea Beet |
| Beta | vulgaris var. altissima | Sugar Beet |
| Betonica | officinalis | Betony |
| Betula | | Birch |
| Betula | pubescens | Birch |
| Betula | lenta | Cherry Birch |
| Betula | pendula | Common Birch |
| Betula | papyrifera | Paper Birch |
| Betula | nigra | River Birch |
| Betula | alba | Silver Birch |
| Betula | nana | Smooth Dwarf Birch |
| Bidens | frondosa | Beggar Ticks |
| Bidens | pilosa | Bidens |
| Bidens | bipinnata | Spanish Needles |
| Bidens | pinnata | Spanish Needles |
| Bidens | tripartita | Water Agrimony |
| Bignonia | chinensis: | Chinese trumpet-creeper |
| Bignonia | grandiflora: | Chinese trumpet-creeper |
| Billbergia | nutans | Queen’s Tears USA |
| Bistorta | major | Common Bistort |
| Bixa | orellana | Annatto |
| Blumea | balcamferi | N’gai Camphor |
| Boehmeria | nivea | China grass |
| Boehmeria | tenacissima: | China grass |
| Bomarea | | Senorita |
| Bombax | malabaricum | Red Silk Cotton Tree |
| Bombax | | Silk Cotton Tree |
| Bonnaya | rotundifolia | Tsjanga-puspam (EastIndi) |
| Borago | | Borage |
| Borago | officinalis | Borage |
| Boronia | ramosa | Blue Boronia |
| Boronia | heterophylla | Crimson boronia |
| Boronia | denticulata | Cutleaf boronia |
| Boronia | megastigma | Sweet Boronia |
| Boswellia | sacra | Frankincense |
| Boswellia | thurifera | Frankincense |
| Botrychium | lunaria | Moonwort |
| Bouteloua | curtipendula | Sideoats Grama |
| Bouvardia | longiflora | Bouvardia |
| Brachychiton | | Flame Tree |
| Brachycome | iberidifolia | Swan River Daisy |
| Brachypodium | sylvaticum | Ornamental grass |
| Brassica | nigra | Black Mustard |
| Brassica | oleracea var. italica | Broccoli |
| Brassica | oleracea var. gemmifera | Brussels Sprouts |
| Brassica | | Cabbage |
| Brassica | oleracea | Cabbage |
| Brassica | oleracea var. capitata | Cabbage |
| Brassica | campestris | Canola |
| Brassica | oleracea var. botrytis | Cauliflower |
| Brassica | alboglabra | Chinese Broccoli |
| Brassica | juncea var. crispifolia | Chinese Mustard |
| Brassica | parachinensis | Choy Sum (Cantonese) |
| Brassica | pekinensis | Headed Chinese Cabbage |
| Brassica | juncea | Indian Mustard |
| Brassica | oleracea var. sabellica | Kale |
| Brassica | oleracea var. gongylodes | Kohl Rabi |
| Brassica | pekinensis var. | Loose-headed Chinese Cabb |
| Brassica | rapa var. nipposinica | Mizuna Greens |
| Brassica | rapa | Mustard Spinach |
| Brassica | chinensis | Pak Choi (Cantonese) |
| Brassica | napus | Rape |
| Brassica | napus subsp. oleifera | Rape |
| Brassica | rapa var. rosularis | Rosette Pak Choi |
| Brassica | napobrassica | rutabaga |
| Brassica | napus subsp. napus | Turnip |
| Brassica | alba: | White mustard |
| Brassica | hirta | Yellow Mustard |
| Brayera | anthelmintica: | Kousso |
| Brickellia | veronicifolia | Rocky Mountain Oregano |
| Briza | minima | Lesser Quaking Grass |
| Briza | media | Perennial Quaking Grass |
| Briza | maxima | Quaking Grass |
| Briza | minor | Quaking Grass |
| Briza | | Rattlesnake Grass |
| Brodiaea | pulchella: | Blue dicks |
| Brodiaea | ida-maia | Californian Fire-Cracker |
| Brodiaea | congesta | Compact harvest lily |
| Brodiaea | coronaria | Harvest brodiaea |
| Brodiaea | elegans | Harvest Brodiaea |
| Brodiaea | howellii | Howell’s brodiaea |
| Brodiaea | hyacinthina | White Brodiaea |
| Bromelia | ananas: | Pine Apple |
| Bromus | madritensis | Bromegrass |
| Bromus | rubens | Foxtail Chess |
| Bromus | lanceolatus | Mediterannean Brome |
| Bromus | unioloides | Prairie Brome |
| Bromus | sterilis | Ridged Bromegrass |
| Brosimum | alicastrum | Bread-nut Tree |
| Brosimum | galactodendron | Milk-tree |
| Broussonetia | | Paper Mulberry |
| Broussonetia | papyrifera | Paper Mulberry |
| Brugmansia | suaveolens | Angel’s trumpet tree |
| Brugmansia | suaveolens: | Angel’s trumpet tree |
| Brunfelsia | hopeana | Manaca |
| Bryonia | | Bryony |
| Bryonia | alba | European White Bryony |
| Bryonia | cretica subsp. dioica | White Bryony |
| Buceras | oliverii | Than |
| Buddleja | | Butterfly Bush |
| Buddleja | fallowiana | Chinese Butterfly Bush |
| Buddleja | globosa | Orange Ball Tree |
| Buddleja | davidii | Violet Butterfly Bush |
| Bulnesia | sarmienti | Guaiac Wood Oil |
| Bunium | bulbocastaneum | Earth Chestnut |
| Buphthalmum | | Ox Eye |
| Buphthalmum | salicifolium | Ox-eye |
| Bupleurum | griffithi | Thoroughwax |
| Bupleurum | | Thorough-wax |
| Burchellia | bubalina | Wild Pomegranate |
| Bursaria | | Prickly Box |
| Bursaria | spinosa | Sweet Box |
| Bursera | microphylla | Elephant tree |
| Butea | frondosa | Butea Kino |
| Butomus | umbellatus | Flowering Rush |
| Buxus | sempervirens | Box |
| Buxus | suffructaca | Dwarf Box |
| Buxus | microphylla | Korean Boxwood |
