| Abelmoschus Tr | Dried seeds | A |
| Abies canadensis Tr | Fresh bark and buds | A |
| Abies nigra Tr | Resin | A |
| Abrotanum | also Artemisia Abrotanum | A |
| Absinthe | also Artemisia absinthium | E |
| Absinthium | also Artemisia absinthium | E |
| Acacia catechu | also or Black catechu | E |
| Acacia Gum | also Gum Arabic | E |
| Acalypha indica Tr | Fresh plant | A |
| Acanthopanax gracistylis | also Eleutherococcus senticocus | F |
| Acerola | Any part | F |
| Acetomorphine preparations | see Diamorphine | A |
| Acetum aromatica | Any part | F |
| Acetum cantharidis | Any part | F |
| Acetum cevadillae | see Sabadilla | A |
| Acetum Ipecacuanha | see Ipecacuanha Vinegar | A |
| Achillea millefolium Tr | Yarrow, fresh aerial parts | A |
| Achyranthes aspera | Root | A |
| Achyranthes bidenta | Root | A |
| Achyranthes calea Tr | Whole fresh plant | A |
| Acidum Aceticum | Acetic acid | E |
| Acidum Arsenicosum | (see Arsenicum Album) | E |
| Acidum Benzoicum | Benzoic acid | A |
| Acidum Boracicum | Boric acid | E |
| Acidum Butyricum | Butyric acid | E |
| Acidum Carbolicum | Phenol | A |
| Acidum Chromicum | Chromic acid | A |
| Acidum Citricum | Citric acid | E |
| Acidum Formicium | Formic acid | A |
| Acidum Gallicum | Trihydroxybenzoic acid | E |
| Acidum Hydrochloricum | Hydrochloric acid | F |
| Acidum Hydrocyanicum | Hydrocyanic acid | F |
| Acidum Hydrofluoricum | Hydrofluoric acid | F |
| Acidum Lacticum | Lactic acid | E |
| Acidum Muriaticum | (see Acidum Hydrochloricum) | F |
| Acidum Nitricum | Nitric acid | A |
| Acidum Nitro-muriaticum | Nitric acid | F |
| Acidum Oxalicum | Oxalic acid | A |
| Acidum Phosphoricum | Phosphoric acid | A |
| Acidum Picricum | Picric acid | A |
| Acidum Salicylicum | Salicylic acid | A |
| Acidum Silicicum | Hydrated Silica | F |
| Acidum Sulphuricum | Sulphuric acid | A |
| Acidum Tannicum | Tannic acid | A |
| Acidum Tartaricum | Tartaric acid | E |
| Aconite | Any part | A |
| Aconite aqueous | Any part | A |
| Aconite chloroform | Any part | A |
| Aconite juice | Any part | A |
| Aconite liniment | Any part | A |
| Aconite liquid extract | Any part | A |
| Aconite Belladonna and chloroform liniment | Any part | A |
| Aconitum carmichaeli | Any part | E |
| Aconitum napellus Tr (Wolfsbane) | Fresh aerial parts and tubers | A |
| Acorus calamus Tr | Peeled rhizome | A |
| Acorus gramineus | Any part | E |
| Actaea racemosa | also Cimicifuga racemosa | A |
| Actaea spicata Tr | Fresh root | A |
| Adenophora tetraphylla | Any part | E |
| Adhatoda | Liquid extract | A |
| Adhatoda vasica | Leaves | A |
| Adiantum (Maidenhair) | also Adiantum capillus-veneris | A |
| Adiantum capillus-veneris | Fern | A |
| Adlumia fungosa Tr | Fresh aerial parts | A |
| Adonis vernalis Tr | Fresh plant | A |
| Adrenaline aromatic solution | also adrenaline spray aromatic | A |
| Adrenaline and ephedrine spray | Any part | A |
| Adrenaline spray aromatic | Any part | A |
| Adrenocorticotrophin | ACTH | F |
| Aegle marmelos | also Bael | A |
| Aegopodium podagaria (Goutwort) | Herb | A |
| Aesculinium | Aesculin | A |
| Aesculus carnea | Any part | E |
| Aesculus glabra Tr | Fresh ripe nut | A |
| Aesculus hippocastanum (Horse chestnut) | Fresh peeled seeds | A |
| Aethusa cynapium Tr | Whole fresh plant | A |
| Agar-Agar | also Gelidium amansii | F |
| Agaricus albus | also Polyporus officinalis | A |
| Agaricus muscarius Tr | Whole fungus except outer skin | A |
| Agaricus phalloides Tr | Fresh fungus | A |
| Agastache rugosa | Leaves | E |
| Agathosma betulina | also Buchu | E |
| Agave Tr | Fresh leaves | A |
| Agave tequilana Tr | Head and fresh leaves | A |
| Agnus castus (Chaste tree) | also Vitex agnus-castus | A |
| Agraphis nutans | Any part | A |
| Agrimonia eupatoria | Herb | E |
| Agrimonia pilosa | also Agrimonia eupatoria | E |
| Agrimony (Cocklebur) | also Agrimonia eupatoria | E |
| Agropyri | also Couch grass | A |
| Agropyron repens | also Couch grass | A |
| Agrostemma githago Tr | Ripe dried seeds | A |
| Ailanthus glandulosa Tr | Bark of young shootsand flowers | A |
| Ajowan oil | Any part | A |
| Ajuga chamaepitys | Leaves | A |
| Ajuga repens | Any part | E |
| Akebia trifoliata | Herb | E |
| Albizzia julibrissin | Any part | E |
| Alchemilla arvensis | also Aphanes arvensis | A |
| Alchemilla vulgaris Tr | Dried aerial parts | A |
| Alcohol Chloroform and ether | Any part | A |
| Alcohol in ampoules | Any part | F |
| Alcool Vulneraire | Any part | F |
| Alcool d’Aconite | Any part | A |
| Alcool de Garus | Any part | F |
| Alcool de Melisse | Any part | F |
| Alcool de Terebinthine | also Alcool de Fioravanti | A |
| Alcool de Fioravanti | Any part | A |
| Alder | also Alnus glutinosa | A |
| Aletris elixir | Any part | A |
| Aletris farinosa Tr | Fresh root | A |
| Alfalfa | also Medicago sativa | E |
| Alisma plantago | Root | E |
| Alkanet | Any part | F |
| Allii succus (Garlic) | Any part | A |
| Allium (Garlic) | Liquid Extract | A |
| Allium cepa Tr | Fresh mature bulbs | E |
| Allium sativum Tr | Fresh mature bulb | E |
| Allium schoenoprasum | also Chives | F |
| Allium ursinum Tr | Whole flowering plant | E |
| Allium vertim | also Star anise | E |
| Allspice | also Pimenta dioica | E |
| Almonds | Compound essence | F |
| Almonds | Spirit Bitter | F |
| Alnus glutinosa (English Alder) | Bark | A |
| Alnus serrulata Tr | Fresh bark | E |
| Aloe capensis | Any part | E |
| Aloe ferox Tr | Dried leaf juice | A |
| Aloe socotrina Tr | Inspissated leaf juice | A |
| Aloe vera | Resin | E |
| Aloes | Any part | E |
| Aloes and myrrh | Any part | E |
| Aloes and nux vomica pills | Any part | A |
| Aloysia triphylla | also Lemon Verbena | F |
| Alpinia katsumadae | Any part | E |
| Alpina officinarum | also Galangal | E |
| Alstonia | Any part | A |
| Alstonia scholaris Tr | Dried bark | A |
| Althaea | also Marshmallow | E |
| Althaea officinalis Tr | Dried root | E |
| Alumen | Alum | F |
| Alumina | Aluminium hydroxide | F |
| Aluminium Metallicum | Metal | F |
| Amara | Any part | A |
| Amaranthus | Liquid extract | A |
| Amber | Any part | A |
| Ambergris | Any part | F |
| Ambra Grisea | Ambergris | A |
| Ambrosia artemisifolia Tr | Whole fresh plant | A |
| Aminocrine cream | Any part | A |
| Ammi visnaga Tr | Dried ripe fruits | A |
| Ammonia aromatic spirit | Any part | A |
| Ammonia liniment | Any part | A |
| Ammoniacum | also Dorema ammoniacum | A |
| Ammoniacum Gummi | Gum ammoniac | F |
| Ammoniated alcohol | also Ammonia spirit | A |
| Ammonium Aceticum | Ammonium acetate | F |
| Ammonium Benzoicum | Ammonium benzoate | F |
| Ammonium Bromatum | Ammonium bromide | A |
| Ammonium Carbonicum | Ammmonium carbonate | A |
| Ammonium Causticum | Ammonium hydroxide | A |
| Ammonium Chloratum | (see Ammonium Muriate) | A |
| Ammonium Iodatum | Ammonium iodide | A |
| Ammonium Muriate | Ammonium chloride | A |
| Ammonium Nitricum | Ammonium nitrate | A |
| Ammonium Phosphoricum | Ammonium phosphate | F |
| Ammonium Picricum | Ammonium picrate | F |
| Ammonium Valerianicum | Ammonium valerianate | F |
| Amni Liquor | Amniotic fluid | F |
| Amomum cardamom | Any part | A |
| Ampelopsis quinquefolia Tr | Fresh bark and twigs | A |
| Amygdalae | also Almonds | F |
| Amygdala amara Tr | Dried ripe seed-kernels | A |
| Amygdalus Persica Tr | Any part | A |
| Amyl Nitrite Tr | Amyl nitrate | A |
| Anacardium | Any part | A |
| Anacardium orientale Tr | Seed's resinous juice | E |
| Anacyclus pyrethrum | Root, also Pyrethum | A |
| Anagallis arvensis Tr | Whole plant | A |
| Anamirta cocculus Tr | Ripe dried fruits | A |
| Ananassa | Any part | F |
| Anatherum muricatum Tr | Dried root | E |
| Anathum graveolens | Dill seed | E |
| Anchusa | Any part | F |
| Andrographis | Any part | A |
| Andrographis paniculata | Root | A |
| Anemarrhena asphodeloides | Any part | A |
| Anemone pulsatilla | Herb, also Pulsatilla | A |
| Anemopaegma glaucum | also Catuaba | F |
| Anethi aqua concentrate | Any part | F |
| Anethi essence | Any part | F |
| Anethum graveolans (Dill) | Fruit tincture | F |
| Angelica archangelica Tr | Fresh roots | E |
| Angelica dahurica | Root | E |
| Angelica pubescens | Root | E |
| Angelica sinensis | Any part | E |
| Angostura | Dried bark, also Cusparia | E |
| Anilinum | Aniline | A |
| Anilinum sulphuricum | Aniline sulphate | F |
| Anise Ammoniacal Spirit | Any part | A |
| Anise Concentrated Water | Any part | F |
| Anise elixir | Any part | F |
| Anise water | Any part | F |
| Aniseed Cordial | also Anise elixir | F |
| Aniseed Essence | Any part | F |
| Aniseed Spirit | Any part | F |
| Anisum stellatum Tr | also Illicium anisatum | F |
| Antennaria dioica | Herb | A |
| Anthemidis | also Chamomile | E |
| Anthemis nobilis Tr | Whole fresh plant also Chamomile | E |
| Anthoxanthum odoratum Tr | Whole fresh plant | A |
| Anthriscus cerefolium | also Chervil | F |
| Antimonite | Natural mineral | F |
| Antimonium Arsenicicum | Antimony arsenate | F |
| Antimonium Crudem | Antimony sulphide | F |
| Antimonium Oxidatum | Antimony oxide | F |
| Antimonium Sulphuratum Aureum | Antimonium sulphide | F |
| Antimony Trichloride Collodion | Any part | A |
| Antiperiodic | Any part | A |
| Antiseptic | Any part | A |
| Apatite | Natural mineral | F |
| Aphanes arvensis (Parsley piert) | Aerial parts | A |
| Apii | Celery seeds | A |
| Apium graveolens Tr | Celery seeds | A |
| Apis Mellifica Tr | Live bees | A |
| Apis Virus | Honey bee poison | F |
| Apocynum | Any part | A |
| Apocynum androsaemifolium Tr | Fresh root | A |
| Apocynum cannabinum Tr | Fresh root | A |
| Apomorhine | Hydrochloride solution | A |
| Apomorphine syrup | Any part | A |
| Apomorphinum muriaticum | Any part | F |
| Apple | also Malus spp | E |
| Aqua coloniensis | also Cologne | F |
| Aquilaria agallocha | Wood | E |
| Aquilegia vulgaris Tr | Any part | A |
| Aralia racemosa Tr | Fresh root | A |
| Aranea diadema Tr | Whole spider | A |
| Arbutus | also Epigaea repens | A |
| Arctium Lappa Tr | Burdock root, seed | E |
| Arctostaphylos uva-ursi | also Bearberry | A |
| Areca | Any part | A |
| Areca catechu (Betel nut) | also Bearberry | A |
| Arecolin | Any part | A |
| Argemone mexicana Tr | Fresh plant | A |
| Argenti Nitra Spiritus | also Silver nitrate spirit | A |
| Argentite | Natural mineral | F |
| Argentum Cyanatum | Silver cyanide | F |
| Argentum Iodatum | Silver iodide | F |
| Argentum Metallicum | Silver metal | F |
| Argentum Muriaticum | Silver chloride | F |
| Argentum Nitricum | Silver nitrate | F |
| Argentum Oxydatum | Silver oxide | F |
| Argentum Phosphoricum | Silver phosphate | F |
| Arisaema consanguineum | Tuber | E |
| Arisaema triphyllum Tr | Fresh rhizome | A |
| Aristolochia | Any part | A |
| Aristolochia clematis Tr | Fresh plant | A |
| Aristolochia indica | Root | A |
| Aristolochia milhomens Tr | Fresh flowers or root | A |
| Aristolochia reticulata | also Aristolochia serpentaria | A |
| Aristolochia serpentaria Tr | Root | A |
| Armoracia | Compound spirit | E |
| Armoracia rusticana | also Horseradish | E |
| Arnica | Any part | A |
| Arnica liniment | Any part | A |
| Arnica Tr | Whole plant | E |
| Aromatic | Any part | A |
| Aromatic elixir | Any part | F |
| Aromatic Liquid extract | Any part | A |
| Aromatic syrup | Any part | F |
| Arquebuscade water | Any part | F |
| Arrach | also Chenopodium olidum | A |
| Arrowroot | also Maranta arundinacea | F |
| Arsenicum Album Tr | Arsenious oxide | A |
| Arsenicum Iodatum | Arsenic triodide | A |
| Arsenicum Sulphuratum Flavum | Arsenious sulphide | F |
| Arsenicum Sulphuratum Rubrum | Arsenic disulphide | F |
| Artemisia abrotanum Tr | Young shoots and leaves | E |
| Artemisia absinthium Tr | Shoots, leaves and flowers | E |
| Artemisia argyi | Herb tincture | E |
| Artemisia capillaris | Herb tincture | E |
| Artemisia cina | also Wormseed | E |
| Artemisia dranunculus | also Tarragon | E |
| Artemisia vulgaris Tr | Root | A |
| Arum draconium Tr | Root | A |
| Arum maculatum Tr | Fresh roots | A |
| Asafoetida Tr | Gum resin | E |
| Asarum canadense Tr | Fresh root | A |
| Asarum europaeum Tr | Fresh plant | A |
| Asclepias incarnata Tr | Fresh root | A |
| Asclepias syriaca Tr | Fresh root | A |
| Asclepias tuberosa Tr | Fresh root | A |
| Ash | also Fraxinus excelsior | A |
| Ash Prickly Tincture | also Xanthoxylum | A |
| Ashwagandha | also Withania somnifera | E |
| Asimina triloba | Ripe seed | E |
| Asparagus officinalis Tr | Fresh underground shoots | E |
| Aspidosperma Tr | Any part | A |
| Astacus fluviatilis Tr | Any part | A |
| Aster tartaricus | Root | E |
| Asterias rubens Tr | Living starfish | A |
| Astragalus gummifer | also Tragacanth Gum | F |
| Astragalus 8 | Any part | E |
| Astragalus membranaceus | Any part | A |
| Athamanta oreoselinum Tr | Whole fresh plant | A |
| Atractolydes lancea | Any part | A |
| Atractolydes macrocephala | Any part | A |
| Atropa belladona Tr | Fresh plant | A |
| Atropine Oleinate | Any part | A |
| Atropine methonitrate | Any part | A |
| Atropinum Tr | Atropine | A |
| Atropinum Sulphuricum | Atropine sulphate | A |
| Aucklandia lappa | Any part | E |
| Aurantii | Any part | F |
| Aurum Chloratum | Auric chloride | A |
| Aurum Metallicum Tr | Powdered gold | F |
| Aurum Muriaticum Natronatum | Sodium, Gold chlorides | A |
| Aurum Iodatum | Gold iodide | F |
| Aurum Sulphuratum | Auric sulphide | F |
| Avena sativa Tr | Aerial parts, seed | A |
| Avens | Root; also Geum urbanum | A |
| Azadirach Indian tincture | Any part | A |
| Azadirach Indian tincture | Bark | A |