| Abies alba | sapin blanc, sapin commun, sapin pectiné | silver fir, common silver fir |
| Abies balsamea | sapin baumier | balsam fir |
| Abrus precatorius | liane à réglisse, réglisse, graine diable, herbe de diable, cascavelle, réglisse marron | crab's eye, jequerity, precatory bean, rosary pea |
| Abutilon indicum | guimauve, abutilon en épi, mauve du pays | monkeybush, albutilon, Indian abutilon |
| Acacia nilotica (syn. Acacia arabica) | acacia nilotique, gommier rouge, acacia d’Arabie | gum arabic tree, babul, kikar tree |
| Acacia catechu | cachoutier, acacia à cachou, acacia cachou | black cutch, catechu |
| Eleutherococcus senticosus (syn . Acanthopanax senticosus) | ginseng de Sibérie, eleutherocoque, éleuthérocoque | Siberian ginseng |
| Acanthus mollis | acanthe molle | bear's breech |
| Achillea millefolium | achillée millefeuille, millefeuille | common yarrow, bloodwort, carpenter's weed |
| Achyranthes bidentata | achyranthe, niu xi | pig's knee |
| Aconitum carmichaeli | aconit capuchon de moine, aconit de Carmichael | Carmichael's monkshood |
| Aconitum napellus | aconit napel, napel | Venus' chariot, aconite monkshood |
| Acorus calamus | acore, acore odorant, acore vrai | calamus, sweet flag |
| Acorus gramineus (syn. Acorus pusillus) | acore graminé, acore vert | Japanese sweet flag, Japanese rush |
| Justicia adhatoda (syn. Adhatoda vasica) | adhatoda, noix de Malabar, noyer des Indes | Malabar nut, |
| Adiantum capillus-veneris | adiante cheveux-de-Vénus, capillaire de Montpellier, cheveux-de-Vénus | common maidenhair, venus hairfern |
| Adiantum pedatum | adiante du Canada | maidenfern, maidenhair, northern maidenhair |
| Adonis vernalis | adonis de printemps, adonis du printemps | spring pheasant’s eye, yellow pheasant’s eye, ox-eye |
| Aegle marmelos | pomme du Bengale, arbre de Bael, cognassier du Bengale | Indian bael, Indian quince, golden apple |
| Aegopodium podagraria | égopode podagraire, podagraire, herbe aux goutteux | bishop's goutweed, goutwort, goutweed |
| Aesculus hippocastanum | marronnier d’Inde | horse chestnut |
| Aframomum melegueta | graines de paradis, malaguette, poivre de Guinée, maniguette | melegueta pepper |
| Agastache rugosa | hysope géante, menthe réglisse coréenne | Korean mint |
| Agave americana | agave | American agave, American century plant |
| Agrimonia eupatoria | aigremoine eupatoire | churchsteeples, European grovebur |
| Elymus repens (syn. Agropyron repens, Elytrigia repens,Triticum repens) | chiendent commun | quack grass, couchgrass, dog grass |
| Ailanthus altissima | ailante glanduleux | tree of heaven, ailanthus, copal tree |
| Ajuga reptans | bugle rampante | common bugle |
| Alchemilla monticola (syn. Alchemilla vulgaris, Alchemilla xanthochlora) | alchémille des montagnes | hairy ladie’s mantle |
| Aletris farinosa | alétris farineux | white colicroot, star grass, true unicorn root |
| Alisma plantago-aquatica | alisma plantain d'eau, plantain d'eau commun | American waterplantain, alisma |
| Allium cepa | oignon, échalotte | garden onion |
| Allium sativum | ail, ail commun, ail cultivé | cultivated garlic |
| Allium schoenoprasum | ciboulette, civette | wild chive, wild chives |
| Allium tuberosum | ciboulette chinoise, civette chinoise, ciboulette à l’ail | Chinese chives, Chinese leek, garlic chives |
| Allium ursinum | ail des ours | ramson, bear's garlic, broad-leaved garlic |
| Alnus glutinosa (syn. Betula glutinosa, Alnus alnus) | aulne glutineux, aulne noir, aulne poisseux | black alder, European alder |
| Aloe vera (syn. Aloe barbadensis) | aloès | Barbados aloe, medical aloe, burn plant |
| Alpinia officinarum | petit galanga | lessergalangal |
| Alstonia scholaris (syn. Echites scholaris) | alstonia | dita, dita bark, bitter bark |
| Althaea officinalis | guimauve officinale, mauve blanche | common marsh-mallow |
| Amaranthus hypochondriacus | amarante hypocondriaque | prince-of-Wales feather, prince-of-Wales-feather |
| Ammi majus | ammi commun, ammi élevé, ammi officinal, grand ammi | large bullwort, Bishop's weed, Bishop's flower |
| Ammi visnaga | ammi cure, ammi Visnage | toothpickweed, khella |
| Elettaria cardamomum (syn. Amomum cardamomum) | cardamome, cardamome verte, cardamone de Malabar | cardamom, green cardamom |
| Anacyclus pyrethrum (syn. Anacyclus freynii) | pyrèthre d’Afrique | Mount Atlas daisy, pellitory |
| Anagallis arvensis | mouron des champs, mouron rouge | scarlet pimpernel |
| Anamirta paniculata (syn. Anamirtra cocculus, Menispermum cocculus) | coque du Levant, cocculus | Levant berry, Levant Nut. fish berry |
| Ananas comosus | ananas | pineapple |
| Andrographis paniculata (syn. Justicia paniculata) | andrographis, mahalita, roi des amers, chirette verte | king of bitters, andrographis, creat, green chirayta, India echinacea |
| Anemarrhena asphodeloides | zhi mu | anemarrhea, zhi mu, common anemarrhena |
| Pulsatilla vulgaris (syn. Anemone pulsatilla) | anémone pulsatille, pulsatille commune | European pasqueflower, pasque flower |
| Anethum graveolens (syn. Peucedanum graveolens) | aneth, aneth odorant, fenouil bâtard | dill |
| Angelica archangelica | angélique vraie, archangélique | Norwegian angelica, garden angelica |
| Angelica dahurica | bai zhi | Dahurian angelica, bai zhi |
| Angelica sinensis | angélique chinoise, dong quai | dong quai, Chinese angelica, dang gui |
| Annona squamosa | pomme cannelle, attier | sugar-apple, sweetsop |
| Anthemis cotula | camomille puante, anthémis fétide, anthémis puante | chamomile, dog fennel, mayweed chamomille, stinkweed |
| Anthemis nobilis | anthémis noble, anthémis odorante, camomille noble, camomille romaine | Roman chamomile |
| Anthriscus cerefolium | cerfeuil commun, cerfeuil cultivé, cerfeuil des jardins | garden chervil, cow parsley, french parsley |
| Anthyllis vulneraria | anthyllide vulnéraire, vulnéraire | common kidney-vetch, lady's-finger |
| Aphanes arvensis | alchémille des champs, aphanès des champs, aphane des champs, perce-pierre | field parsley piert |
| Apium graveolens var. dulce | céleri à côtes | wild celery |
| Arbutus unedo | arbousier commun | strawberry tree, killarney strawberry tree, arbute tree |
| Arctium lappa | grande bardane, bardane commune, bardane officinale | great burdock, beggar's buttons, fox's-clote |
| Arctostaphylos uva-ursi | busserole, raisin-d'ours commun | bearberry, bear's grape, common bearberry |
| Areca catechu | palmier à Betel | Betel palm |
| Spergularia rubra (syn. Arenaria rubra) | spergulaire rouge, sabline rouge | red sandspurry, sand spurrey, sandwort |
| Argemone mexicana | argémone du Mexique | Mexican prickly poppy, yellow pricklypoppy |
| Arisaema consanguineum | tian nan xing | tian nan xing |
| Aristolochia clematitis | aristoloche clématite | birthwort |
| Aristolochia serpentaria | serpentaire de Virginie, vipérine de Virginie, serpentaire vierge | Virginia dutchmanspipe, Virginia snakeroot |
| Armoracia rusticana (syn. Cochlearia armoracia) | grand raifort, cranson, raifort | horseradish, mountain radish, red cole |
| Arnica montana | arnica des montagnes, arnica | mountain arnica, mountain-tobacco, golden-fleece |
| Artemisia abrotanum | armoise aurone, aurone, citronnelle | Southernwood, lad's love, Southern wormwood |
| Artemisia absinthium | absinthe | absinth sagewort, absinth wormwood, common sagewort |
| Artemisia annua | armoise annuelle | annual wormwood, sweet sagewort sweet Annie, annual mugwort |
| Artemisia capillaris | armoise à balais, armoise capillaire | capillary wormwood, hair-leaved artemisia |
| Artemisia cina | semen contra, cina, armoise de Judée, semencine | santonica, sea wormwood, Levant wormseed |
| Artemisia dracunculus | estragon | tarragon, false tarragon, green sagewort, silky wormwood, wormwood |
| Artemisia vulgaris | armoise commune, armoise citronnelle | mugwort, common wormwood |
| Asarum canadense | asaret du Canada | Canadian wild ginger, Canadian wildginger |
| Asarum europaeum | asaret d’Europe | asarabacca, European ginger root, hazelwort |
| Asclepias tuberosa | asclépiade tubéreuse | butterfly milkweed, butterflyweed |
| Aspalathus linearis | thé rouge, rooibos | rooibos |
| Asparagus officinalis | asperge, asperge officinale | asparagus, garden asparagus |
| Galium odoratum (Syn. Asperula odorata) | gaillet odorant, aspérule odorante | sweetscented bedstraw |
| Aspidosperma quebracho-blanco | quebracho | quebracho |
| Astragalus propinquus (syn.Astragalus membranaceus) | astragale | Chinese astragalus, Chinese milkvetch |
| Astragalus mollissimus | astragale | locoweed, purple locoweed, woolly loco |
| Astragalus tragacantha | astragale adragant, astragale de Marseille | tragacanth |
| Atractylodes macrocephala | bai zhu | bai zhu, bai-zhu atractylodes |
| Atropa belladonna | belladone | belladone, deadly nightshade |
| Avena sativa | avoine cultivée | common oat, oats, wild oats |
| Azadirachta indica (syn. Melia azadirachta, Melia indica) | margousier, lilas des Indes, azadirachta de l'Inde | neem |
