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Hint - if you wish to browse through different Families rather than look at just one, then preferably use the left-wardly directed arrows immediately below to put the relevant Family selector (Latin or English family) into the column on the immediate left.
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LATIN FAMILY
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ENGLISH FAMILY
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GENUS
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| Acanthaceae | Bearsbreech | Acanthus |
| Acoraceae | Yellow Flag | Acorus |
| Adiantaceae | Maidenhair | Adiantum |
| Adoxaceae | Moschatel | Adoxa |
| Adoxaceae | Moschatel | Sambucus |
| Adoxaceae | Moschatel | Viburnum |
| Agaricaceae | Parasol [fungi] | Macrolepiota |
| Agaricaceae | Parasol [fungi] | Chlorophyllum |
| Agaricaceae | Dapperling [fungi] | Cystolepiota |
| Agaricaceae | Dapperling [fungi] | Chamaemyces |
| Agaricaceae | Dapperling [fungi] | Lepiota |
| Agaricaceae | Dapperling [fungi] | Leucoagaricus |
| Agaricaceae | Dapperling [fungi] | Melanophyllum |
| Agaricaceae | Powdercap [fungi] | Cystoderma |
| Agaricaceae | Powdercap [fungi] | Squamanita |
| Aizoaceae | Mesembryanthemum | Aptenia |
| Aizoaceae | Mesembryanthemum | Carpobrotus |
| Aizoaceae | Mesembryanthemum | Cleretum |
| Aizoaceae | Mesembryanthemum | Disphyma |
| Aizoaceae | Mesembryanthemum | Drosanthemum |
| Aizoaceae | Mesembryanthemum | Erepsia |
| Aizoaceae | Mesembryanthemum | Lampranthus |
| Aizoaceae | Mesembryanthemum | Oscularia |
| Aizoaceae | Mesembryanthemum | Ruschia |
| Aizoaceae | Mesembryanthemum | Tetragonia |
| Alismataceae | Water-Plantain | Alisma |
| Alismataceae | Water-Plantain | Baldellia |
| Alismataceae | Water-Plantain | Damasonium |
| Alismataceae | Water-Plantain | Luronium |
| Alismataceae | Water-Plantain | Sagittaria |
| Alliaceae | Onion & Garlic | Agapanthus |
| Alliaceae | Onion & Garlic | Allium |
| Alliaceae | Onion & Garlic | Amaryllis |
| Alliaceae | Onion & Garlic | Crinum |
| Alliaceae | Onion & Garlic | Galanthus |
| Alliaceae | Onion & Garlic | Leucojum |
| Alliaceae | Onion & Garlic | Narcissus |
| Alliaceae | Onion & Garlic | Nectaroscordum |
| Alliaceae | Onion & Garlic | Nothoscordum |
| Alliaceae | Onion & Garlic | Pancratium |
| Alliaceae | Onion & Garlic | Sternbergia |
| Alliaceae | Onion & Garlic | Tristagma |
| Alliaceae | Onion & Garlic | Triteleia |
| Alstroemeriaceae | Peruvian Lily | Alstroemeria |
| Altingiaceae | Sweetgum | Liquidambar |
| Amaranthaceae | Goosefoot | Alternanthera |
| Amaranthaceae | Goosefoot | Amaranthus |
| Amaranthaceae | Goosefoot | Atriplex |
| Amaranthaceae | Goosefoot | Axyris |
| Amaranthaceae | Goosefoot | Bassia |
| Amaranthaceae | Goosefoot | Beta |
| Amaranthaceae | Goosefoot | Celosia |
| Amaranthaceae | Goosefoot | Chenopodium |
| Amaranthaceae | Goosefoot | Corispermum |
| Amaranthaceae | Goosefoot | Cycloloma |
| Amaranthaceae | Goosefoot | Monolepis |
| Amaranthaceae | Goosefoot | Salicornia |
| Amaranthaceae | Goosefoot | Salsola |
| Amaranthaceae | Goosefoot | Sarcocornia |
| Amaranthaceae | Goosefoot | Spinacia |
| Amaranthaceae | Goosefoot | Suaeda |
| Alliaceae | Daffodil | Nerine |
| Anacardiaceae | Sumach / Cashew | Cotinus |
| Anacardiaceae | Sumach / Cashew | Mangifera |
| Anacardiaceae | Sumach / Cashew | Rhus |
| Apiaceae | Carrot | Aegopodium |
| Apiaceae | Carrot | Aethusa |
| Apiaceae | Carrot | Ammi |
| Apiaceae | Carrot | Anethum |
| Apiaceae | Carrot | Angelica |
| Apiaceae | Carrot | Anthriscus |
| Apiaceae | Carrot | Apium |
| Apiaceae | Carrot | Astrantia |
| Apiaceae | Carrot | Berula |
| Apiaceae | Carrot | Bifora |
| Apiaceae | Carrot | Bunium |
| Apiaceae | Carrot | Bupleurum |
| Apiaceae | Carrot | Carum |
| Apiaceae | Carrot | Caucalis |
| Apiaceae | Carrot | Chaerophyllum |
| Apiaceae | Carrot | Ciclospermum |
| Apiaceae | Carrot | Cicuta |
| Apiaceae | Carrot | Conium |
| Apiaceae | Carrot | Conopodium |
| Apiaceae | Carrot | Coriandrum |
| Apiaceae | Carrot | Crithmum |
| Apiaceae | Carrot | Cuminum |
| Apiaceae | Carrot | Daucus |
| Apiaceae | Carrot | Eryngium |
| Apiaceae | Carrot | Falcaria |
| Apiaceae | Carrot | Ferula |
| Apiaceae | Carrot | Foeniculum |
| Apiaceae | Carrot | Heracleum |
| Apiaceae | Carrot | Imperatoria |
| Apiaceae | Carrot | Laser |
| Apiaceae | Carrot | Laserpitium |
| Apiaceae | Carrot | Levisticum |
| Apiaceae | Carrot | Ligusticum |
| Apiaceae | Carrot | Meum |
| Apiaceae | Carrot | Myrrhis |
| Apiaceae | Carrot | Oenanthe |
| Apiaceae | Carrot | Orlaya |
| Apiaceae | Carrot | Pastinaca |
| Apiaceae | Carrot | Petroselinum |
| Apiaceae | Carrot | Peucedanum |
| Apiaceae | Carrot | Physospermum |
| Apiaceae | Carrot | Pimpinella |
| Apiaceae | Carrot | Ridolfia |
| Apiaceae | Carrot | Sanicula |
| Apiaceae | Carrot | Scandix |
| Apiaceae | Carrot | Selinum |
| Apiaceae | Carrot | Seseli |
| Apiaceae | Carrot | Silaum |
| Apiaceae | Carrot | Silphium |
| Apiaceae | Carrot | Sison |
| Apiaceae | Carrot | Sium |
| Apiaceae | Carrot | Smyrnium |
| Apiaceae | Carrot | Thyselium |
| Apiaceae | Carrot | Tordylium |
| Apiaceae | Carrot | Torilis |
| Apiaceae | Carrot | Trachyspermum |
| Apiaceae | Carrot | Trinia |
| Apiaceae | Carrot | Turgenia |
| Apocynaceae | Periwinkle | Vinca |
| Aponogetonaceae | Cape Pondweed | Aponogeton |
| Aquifoliaceae | Holly | Ilex |
| Araceae | Arum | Arisarum |
| Araceae | Arum | Arum |
| Araceae | Arum | Calla |
| Araceae | Arum | Dracunculus |
| Araceae | Arum | Lemna |
| Araceae | Arum | Lysichiton |
| Araceae | Arum | Orontium |
| Araceae | Arum | Pistia |
| Araceae | Arum | Sauromatum |
| Araceae | Arum | Spirodela |
| Araceae | Arum | Wolffia |
| Araceae | Arum | Zantedeschia |
| Araliaceae | Ivy | Aralia |
| Araliaceae | Ivy | Fatsia |
| Araliaceae | Ivy | Hedera |
| Araucariaceae | Monkey-Puzzle Tree | Araucaria |
| Arecaceae | Palm | Phoenix |
| Arecaceae | Palm | Trachycarpus |
| Aristolochiaceae | Birthwort | Aristolochia |
| Aristolochiaceae | Birthwort | Asarum |
| Asparagaceae | Asparagus | Agave |
| Asparagaceae | Asparagus | Asparagus |
| Asparagaceae | Asparagus | Aspidistra |
| Asparagaceae | Asparagus | Camassia |
| Asparagaceae | Asparagus | Convallaria |
| Asparagaceae | Asparagus | Cordyline |
| Asparagaceae | Asparagus | Furcraea |
| Asparagaceae | Asparagus | Hyacinthoides |
| Asparagaceae | Asparagus | Hyacinthus |
| Asparagaceae | Asparagus | Maianthemum |
| Asparagaceae | Asparagus | Muscari |
| Asparagaceae | Asparagus | Ornithogalum |
| Asparagaceae | Asparagus | Polygonatum |
| Asparagaceae | Asparagus | Reineckea |
| Asparagaceae | Asparagus | Ruscus |
| Asparagaceae | Asparagus | Scilla |
| Asparagaceae | Asparagus | Yucca |
| Aspleniaceae | Spleenwort | Asplenium |
| Asteraceae | Daisy & Dandelion | Achillea |
| Asteraceae | Daisy & Dandelion | Acroptilon |
| Asteraceae | Daisy & Dandelion | Aetheorhiza |
| Asteraceae | Daisy & Dandelion | Ageratum |
| Asteraceae | Daisy & Dandelion | Ambrosia |
| Asteraceae | Daisy & Dandelion | Anacyclus |
| Asteraceae | Daisy & Dandelion | Anaphalis |
| Asteraceae | Daisy & Dandelion | Antennaria |
| Asteraceae | Daisy & Dandelion | Anthemis |
| Asteraceae | Daisy & Dandelion | Arctium |
| Asteraceae | Daisy & Dandelion | Arctotheca |
| Asteraceae | Daisy & Dandelion | Arctotis |
| Asteraceae | Daisy & Dandelion | Argyranthemum |
| Asteraceae | Daisy & Dandelion | Arnoseris |
| Asteraceae | Daisy & Dandelion | Artemisia |
| Asteraceae | Daisy & Dandelion | Aster |
| Asteraceae | Daisy & Dandelion | Baccharis |
| Asteraceae | Daisy & Dandelion | Bellis |
| Asteraceae | Daisy & Dandelion | Bidens |
| Asteraceae | Daisy & Dandelion | Brachyglottis |
| Asteraceae | Daisy & Dandelion | Buphthalmum |
| Asteraceae | Daisy & Dandelion | Calendula |
| Asteraceae | Daisy & Dandelion | Callistephus |
| Asteraceae | Daisy & Dandelion | Calotis |
| Asteraceae | Daisy & Dandelion | Carduus |
| Asteraceae | Daisy & Dandelion | Carlina |
| Asteraceae | Daisy & Dandelion | Carthamus |
| Asteraceae | Daisy & Dandelion | Cassinia |
| Asteraceae | Daisy & Dandelion | Catananche |
| Asteraceae | Daisy & Dandelion | Centaurea |
| Asteraceae | Daisy & Dandelion | Chamaemelum |
| Asteraceae | Daisy & Dandelion | Chrysanthemum |
| Asteraceae | Daisy & Dandelion | Chrysocoma |
| Asteraceae | Daisy & Dandelion | Cicerbita |
| Asteraceae | Daisy & Dandelion | Cichorium |
| Asteraceae | Daisy & Dandelion | Cirsium |
| Asteraceae | Daisy & Dandelion | Cladanthus |
| Asteraceae | Daisy & Dandelion | Cnicus |
| Asteraceae | Daisy & Dandelion | Conyza |
| Asteraceae | Daisy & Dandelion | Coreopsis |
| Asteraceae | Daisy & Dandelion | Cosmos |
| Asteraceae | Daisy & Dandelion | Cotula |
| Asteraceae | Daisy & Dandelion | Crepis |
| Asteraceae | Daisy & Dandelion | Cynara |
| Asteraceae | Daisy & Dandelion | Dahlia |
| Asteraceae | Daisy & Dandelion | Delairea |
| Asteraceae | Daisy & Dandelion | Dichrocephala |
| Asteraceae | Daisy & Dandelion | Dittrichia |
| Asteraceae | Daisy & Dandelion | Doronicum |
| Asteraceae | Daisy & Dandelion | Echinops |
| Asteraceae | Daisy & Dandelion | Erigeron |
| Asteraceae | Daisy & Dandelion | Eupatorium |
| Asteraceae | Daisy & Dandelion | Euryops |
| Asteraceae | Daisy & Dandelion | Felicia |
| Asteraceae | Daisy & Dandelion | Filago |
| Asteraceae | Daisy & Dandelion | Gaillardia |
| Asteraceae | Daisy & Dandelion | Galactites |
| Asteraceae | Daisy & Dandelion | Galinsoga |
| Asteraceae | Daisy & Dandelion | Gazania |
| Asteraceae | Daisy & Dandelion | Geropogon |
| Asteraceae | Daisy & Dandelion | Glebionis |
| Asteraceae | Daisy & Dandelion | Gnaphalium |
| Asteraceae | Daisy & Dandelion | Grindelia |
| Asteraceae | Daisy & Dandelion | Guizotia |
| Asteraceae | Daisy & Dandelion | Hedypnois |
| Asteraceae | Daisy & Dandelion | Helenium |
| Asteraceae | Daisy & Dandelion | Helianthus |
| Asteraceae | Daisy & Dandelion | Helichrysum |
| Asteraceae | Daisy & Dandelion | Heliopsis |
| Asteraceae | Daisy & Dandelion | Helminthotheca |
| Asteraceae | Daisy & Dandelion | Hemizonia |
| Asteraceae | Daisy & Dandelion | Hieracium |
| Asteraceae | Daisy & Dandelion | Homogyne |
| Asteraceae | Daisy & Dandelion | Hypochaeris |
| Asteraceae | Daisy & Dandelion | Inula |
| Asteraceae | Daisy & Dandelion | Ismelia |
| Asteraceae | Daisy & Dandelion | Iva |
| Asteraceae | Daisy & Dandelion | Lactuca |
| Asteraceae | Daisy & Dandelion | Lapsana |
| Asteraceae | Daisy & Dandelion | Leontodon |
| Asteraceae | Daisy & Dandelion | Leucanthemella |
| Asteraceae | Daisy & Dandelion | Leucanthemum |
| Asteraceae | Daisy & Dandelion | Liatris |
| Asteraceae | Daisy & Dandelion | Ligularia |
| Asteraceae | Daisy & Dandelion | Madia |
| Asteraceae | Daisy & Dandelion | Mantisalca |
| Asteraceae | Daisy & Dandelion | Matricaria |
| Asteraceae | Daisy & Dandelion | Melampodium |
| Asteraceae | Daisy & Dandelion | Mycelis |
| Asteraceae | Daisy & Dandelion | Olearia |
| Asteraceae | Daisy & Dandelion | Oncosiphon |
| Asteraceae | Daisy & Dandelion | Onopordum |
| Asteraceae | Daisy & Dandelion | Osteospermum |
| Asteraceae | Daisy & Dandelion | Pericallis |
| Asteraceae | Daisy & Dandelion | Petasites |
| Asteraceae | Daisy & Dandelion | Picris |
| Asteraceae | Daisy & Dandelion | Pilosella |
| Asteraceae | Daisy & Dandelion | Plecostachys |
| Asteraceae | Daisy & Dandelion | Prenanthes |
| Asteraceae | Daisy & Dandelion | Pulicaria |
| Asteraceae | Daisy & Dandelion | Rhagadiolus |
| Asteraceae | Daisy & Dandelion | Rhodanthe |
| Asteraceae | Daisy & Dandelion | Rudbeckia |
| Asteraceae | Daisy & Dandelion | Santolina |
| Asteraceae | Daisy & Dandelion | Sanvitalia |
| Asteraceae | Daisy & Dandelion | Saussurea |
| Asteraceae | Daisy & Dandelion | Schkuhria |
| Asteraceae | Daisy & Dandelion | Scolymus |
| Asteraceae | Daisy & Dandelion | Scorzonera |
| Asteraceae | Daisy & Dandelion | Scorzoneroides |
| Asteraceae | Daisy & Dandelion | Senecio |
| Asteraceae | Daisy & Dandelion | Serratula |
| Asteraceae | Daisy & Dandelion | Sigesbeckia |
| Asteraceae | Daisy & Dandelion | Silybum |
| Asteraceae | Daisy & Dandelion | Sinacalia |
| Asteraceae | Daisy & Dandelion | Solidago |
| Asteraceae | Daisy & Dandelion | Soliva |
| Asteraceae | Daisy & Dandelion | Sonchus |
| Asteraceae | Daisy & Dandelion | Spilanthes |
| Asteraceae | Daisy & Dandelion | Tagetes |
| Asteraceae | Daisy & Dandelion | Tanacetum |
| Asteraceae | Daisy & Dandelion | Taraxacum |
| Asteraceae | Daisy & Dandelion | Telekia |
| Asteraceae | Daisy & Dandelion | Tephroseris |
| Asteraceae | Daisy & Dandelion | Tolpis |
| Asteraceae | Daisy & Dandelion | Tragopogon |
| Asteraceae | Daisy & Dandelion | Tripleurospermum |
| Asteraceae | Daisy & Dandelion | Tussilago |
| Asteraceae | Daisy & Dandelion | Urospermum |
| Asteraceae | Daisy & Dandelion | Verbesina |
| Asteraceae | Daisy & Dandelion | Vittadinia |
| Asteraceae | Daisy & Dandelion | Xanthium |
| Asteraceae | Daisy & Dandelion | Xeranthemum |
| Auriculariaceae | , | Auricularia |
| Balsaminaceae | Balsam | Impatiens |
| Basellaceae | Madeira-Vine | Anredera |
| Begoniaceae | Begonia | Begonia |
| Berberidaceae | Barberry | Berberis |
| Berberidaceae | Barberry | Epimedium |
| Berberidaceae | Barberry | Mahonia |
| Betulaceae | Birch | Alnus |
| Betulaceae | Birch | Betula |
| Betulaceae | Birch | Carpinus |
| Betulaceae | Birch | Corylus |
| Betulaceae | Birch | Ostrya |
| Bignoniaceae | Bignonia | Campsis |
| Bignoniaceae | Bignonia | Catalpa |
| Bignoniaceae | Bignonia | Eccremocarpus |
| Blechnaceae | Hard-Fern | Blechnum |
| Blechnaceae | Hard-Fern | Woodwardia |
| Boletaceae | Bolete [fungi] | Boletus |
| Boletaceae | Bolete [fungi] | Buchwaldoboletus |
| Boletaceae | Bolete [fungi] | Chalciporus |
| Boletaceae | Bolete [fungi] | Gynoporus |
| Boletaceae | Bolete [fungi] | Leccinum |
| Boletaceae | Bolete [fungi] | Porphyrellus |
| Boletaceae | Bolete [fungi] | Pseudoboletus |
| Boletaceae | Bolete [fungi] | Strobilomyces |
| Boletaceae | Bolete [fungi] | Tylopilus |
| Boraginaceae | Borage | Amsinckia |
| Boraginaceae | Borage | Anchusa |
| Boraginaceae | Borage | Asperugo |
| Boraginaceae | Borage | Borago |
| Boraginaceae | Borage | Brunnera |
| Boraginaceae | Borage | Cerinthe |
| Boraginaceae | Borage | Cynoglossum |
| Boraginaceae | Borage | Cynoglottis |
| Boraginaceae | Borage | Echium |
| Boraginaceae | Borage | Heliotropium |
| Boraginaceae | Borage | Lappula |
| Boraginaceae | Borage | Lithodora |
| Boraginaceae | Borage | Lithospermum |
| Boraginaceae | Borage | Mertensia |
| Boraginaceae | Borage | Myosotis |
| Boraginaceae | Borage | Nemophila |
| Boraginaceae | Borage | Nonea |
| Boraginaceae | Borage | Omphalodes |
| Boraginaceae | Borage | Phacelia |
| Boraginaceae | Borage | Plagiobothrys |
| Boraginaceae | Borage | Pulmonaria |
| Boraginaceae | Borage | Symphytum |
| Boraginaceae | Borage | Trachystemon |
| Botrychiaceae | Moonwort | Botrychium |
| Brachytheciaceae | Mosses | Brachythecium |
| Brachytheciaceae | Mosses | Eurhynchium |
| Brachytheciaceae | Mosses | Isothecium |
| Brassicaceae | Cabbage | Alliaria |
| Brassicaceae | Cabbage | Alyssum |
| Brassicaceae | Cabbage | Arabidopsis |
| Brassicaceae | Cabbage | Arabis |
| Brassicaceae | Cabbage | Armoracia |
| Brassicaceae | Cabbage | Aubrieta |
| Brassicaceae | Cabbage | Aurinia |
| Brassicaceae | Cabbage | Barbarea |
| Brassicaceae | Cabbage | Berteroa |
| Brassicaceae | Cabbage | Brassica |
| Brassicaceae | Cabbage | Bunias |
| Brassicaceae | Cabbage | Cakile |
| Brassicaceae | Cabbage | Calepina |
| Brassicaceae | Cabbage | Camelina |
| Brassicaceae | Cabbage | Capsella |
| Brassicaceae | Cabbage | Cardamine |
| Brassicaceae | Cabbage | Carrichtera |
| Brassicaceae | Cabbage | Chorispora |
| Brassicaceae | Cabbage | Cochlearia |
| Brassicaceae | Cabbage | Coincya |
| Brassicaceae | Cabbage | Conringia |
| Brassicaceae | Cabbage | Crambe |
| Brassicaceae | Cabbage | Descurainia |
| Brassicaceae | Cabbage | Diplotaxis |
| Brassicaceae | Cabbage | Draba |
| Brassicaceae | Cabbage | Enarthrocarpus |
| Brassicaceae | Cabbage | Erophila |
| Brassicaceae | Cabbage | Eruca |
| Brassicaceae | Cabbage | Erucaria |
| Brassicaceae | Cabbage | Erucastrum |
| Brassicaceae | Cabbage | Erysimum |
| Brassicaceae | Cabbage | Euclidium |
| Brassicaceae | Cabbage | Hesperis |
| Brassicaceae | Cabbage | Hirschfeldia |
| Brassicaceae | Cabbage | Hornungia |
| Brassicaceae | Cabbage | Iberis |
| Brassicaceae | Cabbage | Isatis |
| Brassicaceae | Cabbage | Lepidium |
| Brassicaceae | Cabbage | Lobularia |
| Brassicaceae | Cabbage | Lunaria |
| Brassicaceae | Cabbage | Malcolmia |
| Brassicaceae | Cabbage | Matthiola |
| Brassicaceae | Cabbage | Microthlaspi |
| Brassicaceae | Cabbage | Moricandia |
| Brassicaceae | Cabbage | Myagrum |
| Brassicaceae | Cabbage | Nasturtium |
| Brassicaceae | Cabbage | Neslia |
| Brassicaceae | Cabbage | Noccaea |
| Brassicaceae | Cabbage | Peltaria |
| Brassicaceae | Cabbage | Pachyphragma |
| Brassicaceae | Cabbage | Pseudoturritis |
| Brassicaceae | Cabbage | Raphanus |
| Brassicaceae | Cabbage | Rapistrum |
| Brassicaceae | Cabbage | Rorippa |
| Brassicaceae | Cabbage | Sinapis |
| Brassicaceae | Cabbage | Sisymbrium |
| Brassicaceae | Cabbage | Subularia |
| Brassicaceae | Cabbage | Teesdalia |
| Brassicaceae | Cabbage | Thelypodium |
| Brassicaceae | Cabbage | Thlaspi |
| Brassicaceae | Cabbage | Turritis |
| Bromeliaceae | Rhodostachys | Fascicularia |
| Bromeliaceae | Rhodostachys | Ochagavia |
| Butomaceae | Flowering-Rush | Butomus |
| Buxaceae | Box | Buxus |
| Buxaceae | Box | Pachysandra |
| Buxaceae | Box | Sarcococca |
| Cabombaceae | Water-Shield | Cabomba |
| Calceolariaceae | Slipperwort | Calceolaria |
| Campanulaceae | Bellflower | Campanula |
| Campanulaceae | Bellflower | Downingia |
| Campanulaceae | Bellflower | Isotoma |
| Campanulaceae | Bellflower | Jasione |
| Campanulaceae | Bellflower | Legousia |
| Campanulaceae | Bellflower | Lobelia |
| Campanulaceae | Bellflower | Phyteuma |
| Campanulaceae | Bellflower | Pratia |
| Campanulaceae | Bellflower | Trachelium |
| Campanulaceae | Bellflower | Wahlenbergia |
| Cannabaceae | Hemp | Cannabis |
| Cannabaceae | Hemp | Humulus |
| Caprifoliaceae | Honeysuckle | Abelia |
| Caprifoliaceae | Honeysuckle | Kolkwitzia |
| Caprifoliaceae | Honeysuckle | Leycesteria |
| Caprifoliaceae | Honeysuckle | Linnaea |
| Caprifoliaceae | Honeysuckle | Lonicera |
| Caprifoliaceae | Honeysuckle | Symphoricarpos |
| Caryophyllaceae | Carnation & Campion (Pink) | Agrostemma |
| Caryophyllaceae | Carnation & Campion (Pink) | Arenaria |
| Caryophyllaceae | Carnation & Campion (Pink) | Cerastium |
| Caryophyllaceae | Carnation & Campion (Pink) | Corrigiola |
| Caryophyllaceae | Carnation & Campion (Pink) | Cucubalus |
| Caryophyllaceae | Carnation & Campion (Pink) | Dianthus |
| Caryophyllaceae | Carnation & Campion (Pink) | Gypsophila |
| Caryophyllaceae | Carnation & Campion (Pink) | Herniaria |
| Caryophyllaceae | Carnation & Campion (Pink) | Holosteum |
| Caryophyllaceae | Carnation & Campion (Pink) | Honckenya |
| Caryophyllaceae | Carnation & Campion (Pink) | Illecebrum |
| Caryophyllaceae | Carnation & Campion (Pink) | Minuartia |
| Caryophyllaceae | Carnation & Campion (Pink) | Moehringia |
| Caryophyllaceae | Carnation & Campion (Pink) | Moenchia |
| Caryophyllaceae | Carnation & Campion (Pink) | Myosoton |
| Caryophyllaceae | Carnation & Campion (Pink) | Paronychia |
| Caryophyllaceae | Carnation & Campion (Pink) | Petrorhagia |
| Caryophyllaceae | Carnation & Campion (Pink) | Polycarpon |
| Caryophyllaceae | Carnation & Campion (Pink) | Sagina |
| Caryophyllaceae | Carnation & Campion (Pink) | Saponaria |
| Caryophyllaceae | Carnation & Campion (Pink) | Scleranthus |
| Caryophyllaceae | Carnation & Campion (Pink) | Silene |
| Caryophyllaceae | Carnation & Campion (Pink) | Spergula |
| Caryophyllaceae | Carnation & Campion (Pink) | Spergularia |
| Caryophyllaceae | Carnation & Campion (Pink) | Stellaria |
| Caryophyllaceae | Carnation & Campion (Pink) | Vaccaria |
| Celastraceae | Spindle | Celastrus |
| Celastraceae | Spindle | Euonymus |
| Cephalotaxaceae | Plum-yew | Cephalotaxus |
| Cephalotaxaceae | Plum-yew | Torreya |
| Ceratophyllaceae | Hornwort | Ceratophyllum |
| Cercidiphyllaceae | Katsura | Cercidiphyllum |
| Characeae | Stonewort | Chara |
| Characeae | Stonewort | Nitella |
| Characeae | Stonewort | Tolypella |
| Charophyceae | Starry Stonewort | Nitellopsis |
| Cistaceae | Rock-Rose | Cistus |
| Cistaceae | Rock-Rose | Helianthemum |
| Cistaceae | Rock-Rose | Tuberaria |
| Cladoniaceae | Cladonia [lichen] | Cladonia |
| Cleomaceae | Spiderflower | Cleome |
| Clethraceae | Lily-of-the-Valley Tree | Clethra |
| Hypericaceae | St. John's Wort | Hypericum |
| Colchicaceae | Meadow Saffron | Colchicum |
| Commelinaceae | Spiderwort | Tradescantia |
| Convolvulaceae | Bindweed | Calystegia |
| Convolvulaceae | Bindweed | Convolvulus |
| Convolvulaceae | Bindweed | Cuscuta |
| Convolvulaceae | Bindweed | Dichondra |
| Convolvulaceae | Bindweed | Ipomoea |
| Conocephalaceae | Liverworts | Conocephalum |
| Cornaceae | Dogwood | Cornus |
| Coriolaceae | Brackets [fungi] | Grifula |
| Coriolaceae | Brackets [fungi] | Laetiporus |
| Crassulaceae | Stonecrop | Aeonium |
| Crassulaceae | Stonecrop | Aichryson |
| Crassulaceae | Stonecrop | Chiastophyllum |
| Crassulaceae | Stonecrop | Crassula |
| Crassulaceae | Stonecrop | Echeveria |
| Crassulaceae | Stonecrop | Jovibarba |
| Crassulaceae | Stonecrop | Sedum |
| Crassulaceae | Stonecrop | Sempervivum |
| Crassulaceae | Stonecrop | Rhodiola |
| Crassulaceae | Stonecrop | Umbilicus |
| Cryptogrammaceae | Parsley Fern | Cryptogramma |
| Cucurbitaceae | Marrow | Bryonia |
| Cucurbitaceae | Marrow | Citrullus |
| Cucurbitaceae | Marrow | Cucumis |
| Cucurbitaceae | Marrow | Cucurbita |
| Cucurbitaceae | Marrow | Ecballium |
| Cucurbitaceae | Marrow | Lagenaria |
| Cucurbitaceae | Marrow | Sicyos |
| Cupressaceae | Cypress | Calocedrus |
| Cupressaceae | Cypress | Chamaecyparis |
| Cupressaceae | Cypress | Cryptomeria |
| Cupressaceae | Cypress | Cupressus |
| Cupressaceae | Cypress | Juniperus |
| Cupressaceae | Cypress | Metasequoia |
| Cupressaceae | Cypress | Platycladus |
| Cupressaceae | Cypress | Sequoia |
| Cupressaceae | Cypress | Sequoiadendron |
| Cupressaceae | Cypress | Taxodium |
| Cupressaceae | Cypress | Thuja |
| Cupressaceae | Cypress | Thujopsis |
| Cupressaceae | Cypress | Xanthocyparis |
| Cyatheaceae | Scaly Tree-Fern | Cyathea |
| Cyperaceae | Sedge Club- & Spike-Rush | Blysmus |
| Cyperaceae | Sedge Club- & Spike-Rush | Bolboschoenus |
| Cyperaceae | Sedge Club- & Spike-Rush | Carex |
| Cyperaceae | Sedge Club- & Spike-Rush | Cladium |
| Cyperaceae | Sedge Club- & Spike-Rush | Cyperus |
| Cyperaceae | Sedge Club- & Spike-Rush | Eleocharis |
| Cyperaceae | Sedge Club- & Spike-Rush | Eleogiton |
| Cyperaceae | Sedge Club- & Spike-Rush | Eriophorum |
| Cyperaceae | Sedge Club- & Spike-Rush | Isolepis |
| Cyperaceae | Sedge Club- & Spike-Rush | Kobresia |
| Cyperaceae | Sedge Club- & Spike-Rush | Rhynchospora |
| Cyperaceae | Sedge Club- & Spike-Rush | Schoenoplectus |
| Cyperaceae | Sedge Club- & Spike-Rush | Schoenus |
| Cyperaceae | Sedge Club- & Spike-Rush | Scirpoides |
| Cyperaceae | Sedge Club- & Spike-Rush | Scirpus |
| Cyperaceae | Sedge Club- & Spike-Rush | Scleria |
| Cyperaceae | Sedge Club- & Spike-Rush | Trichophorum |
| Cystopteridaceae | Bladder-Ferns | Cystopteris |
| Cystopteridaceae | Bladder-Ferns | Gymnocarpium |
| Davalliaceae | Hare's-Foot Fern | Davallia |
| Dennstaedtiaceae | Bracken | Pteridium |
| Diapensiaceae | Diapensia | Diapensia |
| Dicksoniaceae | Tree-Fern | Dicksonia |
| Dicranaceae | Mosses | Dicranum |
| Dioscoreaceae | Yam | Tamus |
| Dipsacaceae | Teasel | Cephalaria |
| Dipsacaceae | Teasel | Dipsacus |
| Dipsacaceae | Teasel | Knautia |
| Dipsacaceae | Teasel | Scabiosa |
| Dipsacaceae | Teasel | Succisa |
| Droseraceae | Sundew | Drosera |
| Dryopteridaceae | Male & Buckler Ferns | Cyrtomium |
| Dryopteridaceae | Male & Buckler Ferns | Dryopteris |
| Dryopteridaceae | Male & Buckler Ferns | Phanerophlebia |
| Dryopteridaceae | Male & Buckler Ferns | Polystichum |
| Elaeagnaceae | Sea Buckthorn | Elaeagnus |
| Elaeagnaceae | Sea Buckthorn | Hippophae |
| Elatinaceae | Waterwort | Elatine |
| Equisetaceae | Horsetail | Equisetum |
| Ericaceae | Heather | Andromeda |
| Ericaceae | Heather | Arbutus |
| Ericaceae | Heather | Arctostaphylos |
| Ericaceae | Heather | Calluna |
| Ericaceae | Heather | Daboecia |
| Ericaceae | Heather | Empetrum |
| Ericaceae | Heather | Enkianthus |
| Ericaceae | Heather | Erica |
| Ericaceae | Heather | Gaultheria |
| Ericaceae | Heather | Hypopitys |
| Ericaceae | Heather | Kalmia |
| Ericaceae | Heather | Ledum |
| Ericaceae | Heather | Leucothoe |
| Ericaceae | Heather | Loiseleuria |
| Ericaceae | Heather | Moneses |
| Ericaceae | Heather | Orthilia |
| Ericaceae | Heather | Pernettya |
| Ericaceae | Heather | Phyllodoce |
| Ericaceae | Heather | Pieris |
| Ericaceae | Heather | Pyrola |
| Ericaceae | Heather | Rhododendron |
| Ericaceae | Heather | Vaccinium |
| Ericaceae | Heather | Zenobia |
| Eriocaulaceae | Pipewort | Eriocaulon |
| Escalloniaceae | Escallonia | Escallonia |
| Euphorbiaceae | Spurge | Chamaesyce |
| Euphorbiaceae | Spurge | Chrozophora |
| Euphorbiaceae | Spurge | Euphorbia |
| Euphorbiaceae | Spurge | Mercurialis |
| Euphorbiaceae | Spurge | Pedilanthus |
| Euphorbiaceae | Spurge | Ricinus |
| Fabaceae | Pea | Acacia |
| Fabaceae | Pea | Anthyllis |
| Fabaceae | Pea | Arachis |
| Fabaceae | Pea | Astragalus |
| Fabaceae | Pea | Cercis |
| Fabaceae | Pea | Cicer |
| Fabaceae | Pea | Colutea |
| Fabaceae | Pea | Coronilla |
| Fabaceae | Pea | Cullen |
| Fabaceae | Pea | Cytisus |
| Fabaceae | Pea | Dorycnium |
| Fabaceae | Pea | Galega |
| Fabaceae | Pea | Genista |
| Fabaceae | Pea | Gleditsia |
| Fabaceae | Pea | Glycine |
| Fabaceae | Pea | Glycyrrhiza |
| Fabaceae | Pea | Hippocrepis |
| Fabaceae | Pea | Hymenocarpus |
| Fabaceae | Pea | Laburnum |
| Fabaceae | Pea | Lathyrus |
| Fabaceae | Pea | Lens |
| Fabaceae | Pea | Lotus |
| Fabaceae | Pea | Lupinus |
| Fabaceae | Pea | Medicago |
| Fabaceae | Pea | Melilotus |
| Fabaceae | Pea | Onobrychis |
| Fabaceae | Pea | Ononis |
| Fabaceae | Pea | Ornithopus |
| Fabaceae | Pea | Oxytropis |
| Fabaceae | Pea | Paraserianthes |
| Fabaceae | Pea | Phaseolus |
| Fabaceae | Pea | Pisum |
| Fabaceae | Pea | Robinia |
| Fabaceae | Pea | Scorpiurus |
| Fabaceae | Pea | Securigera |
| Fabaceae | Pea | Senna |
| Fabaceae | Pea | Sesbania |
| Fabaceae | Pea | Spartium |
| Fabaceae | Pea | Tetragonolobus |
| Fabaceae | Pea | Thermopsis |
| Fabaceae | Pea | Trifolium |
| Fabaceae | Pea | Trigonella |
| Fabaceae | Pea | Ulex |
| Fabaceae | Pea | Vicia |
| Fabaceae | Pea | Vigna |
| Fabaceae | Pea | Wisteria |
| Fagaceae | Beech | Castanea |
| Fagaceae | Beech | Fagus |
| Fagaceae | Beech | Quercus |
| Francoaceae | Bridal Wreaths | Francoa |
| Frankeniaceae | Sea Heath | Frankenia |
| Garryaceae | Spotted-Laurel | Aucuba |
| Garryaceae | Spotted-Laurel | Garrya |
| Gentianaceae | Gentian | Blackstonia |
| Gentianaceae | Gentian | Centaurium |
| Gentianaceae | Gentian | Cicendia |
| Gentianaceae | Gentian | Exaculum |
| Gentianaceae | Gentian | Gentiana |
| Gentianaceae | Gentian | Gentianella |
| Gentianaceae | Gentian | Gentianopsis |
| Geocalycaceae | Liverworts | Lophocolea |
| Geraniaceae | Cranesbill (Geranium) | Erodium |
| Geraniaceae | Cranesbill (Geranium) | Geranium |
| Geraniaceae | Cranesbill (Geranium) | Monsonia |
| Geraniaceae | Cranesbill (Geranium) | Pelargonium |
| Gesneriaceae | Pyrenean-Violet | Ramonda |
| Ginkgoaceae | Maidenhair-Tree | Ginkgo |
| Grimmiaceae | Fringe-Mosses | Racomitrium |
| Griseliniaceae | New Zealand Broadleaf | Griselinia |
| Grossulariaceae | Current | Ribes |
| Gunneraceae | Giant Rhubarb | Gunnera |
| Haloragaceae | Water-Milfoil | Haloragis |
| Haloragaceae | Water-Milfoil | Myriophyllum |
| Hamamelidaceae | Witchalder | Fothergilla |
| Hamamelidaceae | Witch-Hazel | Hamamelis |
| Hamamelidaceae | Witchalder | Parrotia |
| Huperziaceae | Fir Clubmoss | Huperzia |
| Hydrangeaceae | Hydrangea | Deutzia |
| Hydrangeaceae | Hydrangea | Hydrangea |
| Hydrangeaceae | Hydrangea | Philadelphus |
| Hydrocharitaceae | Frogbit | Egeria |
| Hydrocharitaceae | Frogbit | Elodea |
| Hydrocharitaceae | Frogbit | Hydrilla |
| Hydrocharitaceae | Frogbit | Hydrocharis |
| Hydrocharitaceae | Frogbit | Lagarosiphon |
| Hydrocharitaceae | Frogbit | Najas |
| Hydrocharitaceae | Frogbit | Stratiotes |
| Hydrocharitaceae | Frogbit | Vallisneria |
| Hydrocotylaceae | Pennywort | Hydrocotyle |
| Hylocomiaceae | Mosses | Hylocomium |
| Hylocomiaceae | Mosses | Rhytidiadelphus |
| Hylocomiaceae | Mosses | Scleropodium |
| Hygrophoraceae | Waxgills [fungi] | Hygrocybe |
| Hygrophoraceae | Waxgills [fungi] | Hygrophorus |
| Hymenophyllaceae | Filmy Ferns | Hymenophyllum |
| Hymenophyllaceae | Filmy Ferns | Trichomanes |
| Hypericaceae | St John's Wort | Adenosepalum |
| Hypericaceae | St John's Wort | Androsaemum |
| Hypericaceae | St John's Wort | Ascyreia |
| Hypericaceae | St John's Wort | Elodes |
| Hypericaceae | St John's Wort | Hypericum |
| Hypericaceae | St John's Wort | Indora |
| Hypericaceae | St John's Wort | Oligostemma |
| Hypericaceae | St John's Wort | Spachium |
| Hypericaceae | St John's Wort | Taeniocarpium |
| Hypnaceae | Mosses | Calliergonella |
| Hypnaceae | Mosses | Hypnum |
| Iridaceae | Iris | Antholyza |
| Iridaceae | Iris | Aristea |
| Iridaceae | Iris | Chasmanthe |
| Iridaceae | Iris | Crocosmia |
| Iridaceae | Iris | Crocus |
| Iridaceae | Iris | Freesia |
| Iridaceae | Iris | Gladiolus |
| Iridaceae | Iris | Hermodactylus |
| Iridaceae | Iris | Homeria |
| Iridaceae | Iris | Iris |
| Iridaceae | Iris | Ixia |
| Iridaceae | Iris | Libertia |
| Iridaceae | Iris | Romulea |
| Iridaceae | Iris | Schizostylis |
| Iridaceae | Iris | Sisyrinchium |
| Iridaceae | Iris | Sparaxis |
| Iridaceae | Iris | Watsonia |
| Isoetaceae | Quillwort | Isoetes |
| Juglandaceae | Walnut | Juglans |
| Juglandaceae | Walnut | Pterocarya |
| Juncaceae | Rushes | Juncus |
| Juncaceae | Rushes | Luzula |
| Juncaginaceae | Arrow-Grass | Triglochin |
| Lamiaceae | Mint / Dead-Nettle | Agastache |
| Lamiaceae | Mint / Dead-Nettle | Ajuga |
| Lamiaceae | Mint / Dead-Nettle | Ballota |
| Lamiaceae | Mint / Dead-nettle | Betonica |
| Lamiaceae | Mint / Dead-Nettle | Caryopteris |
| Lamiaceae | Mint / Dead-Nettle | Cedronella |
| Lamiaceae | Mint / Dead-Nettle | Clinopodium |
| Lamiaceae | Mint / Dead-Nettle | Coleus |
| Lamiaceae | Mint / Dead-Nettle | Dracocephalum |
| Lamiaceae | Mint / Dead-Nettle | Galeopsis |
| Lamiaceae | Mint / Dead-Nettle | Glechoma |
| Lamiaceae | Mint / Dead-Nettle | Hyssopus |
| Lamiaceae | Mint / Dead-Nettle | Lamiastrum |
| Lamiaceae | Mint / Dead-Nettle | Lamium |
| Lamiaceae | Mint / Dead-Nettle | Lavandula |
| Lamiaceae | Mint / Dead-Nettle | Leonurus |
| Lamiaceae | Mint / Dead-Nettle | Lycopus |
| Lamiaceae | Mint / Dead-Nettle | Marrubium |
| Lamiaceae | Mint / Dead-Nettle | Melissa |
| Lamiaceae | Mint / Dead-Nettle | Melittis |
| Lamiaceae | Mint / Dead-Nettle | Mentha |
| Lamiaceae | Mint / Dead-Nettle | Monarda |
| Lamiaceae | Mint / Dead-Nettle | Nepeta |
| Lamiaceae | Mint / Dead-Nettle | Origanum |
| Lamiaceae | Mint / Dead-Nettle | Phlomis |
| Lamiaceae | Mint / Dead-Nettle | Physostegia |
| Lamiaceae | Mint / Dead-Nettle | Prunella |
| Lamiaceae | Mint / Dead-Nettle | Rosmarinus |
| Lamiaceae | Mint / Dead-Nettle | Salvia |
| Lamiaceae | Mint / Dead-Nettle | Satureja |
| Lamiaceae | Mint / Dead-Nettle | Scutellaria |
| Lamiaceae | Mint / Dead-Nettle | Sideritis |
| Lamiaceae | Mint / Dead-Nettle | Stachys |
| Lamiaceae | Mint / Dead-Nettle | Teucrium |
| Lamiaceae | Mint / Dead-Nettle | Thymus |
| Lamiaceae | Mint / Dead-Nettle | Ziziphora |
| Lardizabalaceae | Chocolate Vine | Akebia |
| Lauraceae | Bay | Laurus |
| Lentibulariaceae | Bladderwort | Pinguicula |
| Lentibulariaceae | Bladderwort | Utricularia |
| Leucobryaceae | Mosses | Leucobryum |
| Liliaceae | Lily | Erythronium |
| Liliaceae | Lily | Fritillaria |
| Liliaceae | Lily | Gagea |
| Liliaceae | Lily | Lilium |
| Liliaceae | Lily | Ruscus |
| Liliaceae | Lily | Tofieldia |
| Liliaceae | Lily | Tulipa |
| Limnanthaceae | Meadow-Foam | Limnanthes |
| Linaceae | Flax | Linum |
| Linaceae | Flax | Radiola |
| Lycoperdaceae | Puffballs, | Bovista |
| Lycoperdaceae | Puffballs, | Calvatia |
| Lycoperdaceae | Puffballs, | Lycoperdon |
| Lycopodiaceae | Clubmoss & Quillwort | Diphasiastrum |
| Lycopodiaceae | Clubmoss & Quillwort | Lycopodiella |
| Lycopodiaceae | Clubmoss & Quillwort | Lycopodium |
| Lythraceae | Loosestrife | Lythrum |
| Magnoliaceae | Tulip-Trees | Liriodendron |
| Magnoliaceae | Tulip-Trees | Magnolia |
| Malvaceae | Mallow | Abutilon |
| Malvaceae | Mallow | Alceae |
| Malvaceae | Mallow | Althaea |
| Malvaceae | Mallow | Anisodontea |
| Malvaceae | Mallow | Asnoda |
| Malvaceae | Mallow | Hibiscus |
| Malvaceae | Mallow | Hoheria |
| Malvaceae | Mallow | Malope |
| Malvaceae | Mallow | Malva |
| Malvaceae | Mallow | Pentaglottis |
| Malvaceae | Mallow | Sida |
| Malvaceae | Mallow | Sidalcea |
| Malvaceae | Mallow | Tilia |
| Marasmiaceae | Parachute [fungi] | Marasmius |
| Marasmiaceae | Tricholoma Allies [fungi] | Oudemansiella |
| Marsileaceae | Pillwort | Pilularia |
| Melanthiaceae | Herb Paris | Paris |
| Menyanthaceae | Bogbean | Menyanthes |
| Menyanthaceae | Bogbean | Nymphoides |
| Mniaceae | Mosses | Plagiomnium |
| Mniaceae | Mosses | Rhizomnium |
| Montiaceae | Blinks | Claytonia |
| Montiaceae | Blinks | Montia |
| Moraceae | Mulberry | Ficus |
| Moraceae | Mulberry | Morus |
| Myricaceae | Bog-Myrtle | Myrica |
| Myrsinaceae | Myrsine | Anagallis |
| Myrsinaceae | Myrsine | Cyclamen |
| Myrsinaceae | Myrsine | Glaux |
| Myrsinaceae | Myrsine | Lysimachia |
| Myrsinaceae | Myrsine | Myrsine |
| Myrsinaceae | Myrsine | Trientalis |
| Myrtaceae | Myrtle | Eucalyptus |
| Myrtaceae | Myrtle | Leptospermum |
| Myrtaceae | Myrtle | Luma |
| Myrtaceae | Myrtle | Myrtus |
| Myrtaceae | Myrtle | Ugni |
| Nartheciaceae | Bog Asphodel | Narthecium |
| Nothofagaceae | Beech Trees (some) | Nothofagus |
| Nyctaginaceae | Marvel-of-Peru | Mirabilis |
| Nymphaeaceae | Water-Lily | Nuphar |
| Nymphaeaceae | Water-Lily | Nymphaea |
| Oleaceae | Olive | Forsythia |
| Oleaceae | Olive | Fraxinus |
| Oleaceae | Olive | Jasminum |
| Oleaceae | Olive | Ligustrum |
| Oleaceae | Olive | Osmanthus |
| Oleaceae | Olive | Phillyrea |
| Oleaceae | Olive | Syringa |
| Onagraceae | Willowherb | Chamerion |
| Onagraceae | Willowherb | Circaea |
| Onagraceae | Willowherb | Clarkia |
| Onagraceae | Willowherb | Epilobium |
| Onagraceae | Willowherb | Fuchsia |
| Onagraceae | Willowherb | Ludwigia |
| Onagraceae | Willowherb | Oenothera |
| Onagraceae | Willowherb | Zauschneria |
| Onocleaceae | Ostrich & Sensitive Fern | Matteuccia |
| Onocleaceae | Ostrich & Sensitive Fern | Onoclea |
| Ophioglossaceae | Adder's-Tongue | Ophioglossum |
| Orchidaceae | Orchid | Anacamptis |
| Orchidaceae | Orchid | Calypso |
| Orchidaceae | Orchid | Cephalanthera |
| Orchidaceae | Orchid | Coeloglossum |
| Orchidaceae | Orchid | Corallorhiza |
| Orchidaceae | Orchid | Cypripedium |
| Orchidaceae | Orchid | Dactylorhiza |
| Orchidaceae | Orchid | Epipogium |
| Orchidaceae | Orchid | Goodyera |
| Orchidaceae | Orchid | Gymnadenia |
| Orchidaceae | Orchid | Hammarbya |
| Orchidaceae | Orchid | Herminium |
| Orchidaceae | Orchid | Himantoglossum |
| Orchidaceae | Orchid | Liparis |
| Orchidaceae | Orchid | Neotinea |
| Orchidaceae | Orchid | Neottia |
| Orchidaceae | Orchid | Ophrys |
| Orchidaceae | Orchid | Orchis |
| Orchidaceae | Orchid | Platanthera |
| Orchidaceae | Orchid | Pseudorchis |
| Orchidaceae | Orchid | Serapias |
| Orchidaceae | Orchid | Spiranthes |
| Orobanchaceae | Broomrape | Bartsia |
| Orobanchaceae | Broomrape | Euphrasia |
| Orobanchaceae | Broomrape | Lathraea |
| Orobanchaceae | Broomrape | Melampyrum |
| Orobanchaceae | Broomrape | Odontites |
| Orobanchaceae | Broomrape | Orobanche |
| Orobanchaceae | Broomrape | Parentucellia |
| Orobanchaceae | Broomrape | Pedicularis |
| Orobanchaceae | Broomrape | Rhinanthus |
| Osmundaceae | Royal Fern | Osmunda |
| Oxalidaceae | Wood-Sorrel | Oxalis |
| Paeoniaceae | Peony | Paeonia |
| Papaveraceae | Poppy | Argemone |
| Papaveraceae | Poppy | Ceratocapnos |
| Papaveraceae | Poppy | Chelidonium |
| Papaveraceae | Poppy | Corydalis |
| Papaveraceae | Poppy | Dicentra |
| Papaveraceae | Poppy | Eschscholzia |
| Papaveraceae | Poppy | Fumaria |
| Papaveraceae | Poppy | Glaucium |
| Papaveraceae | Poppy | Hypecoum |
| Papaveraceae | Poppy | Macleaya |
| Papaveraceae | Poppy | Meconopsis |
| Papaveraceae | Poppy | Papaver |
| Papaveraceae | Poppy | Pseudofumaria |
| Papaveraceae | Poppy | Roemeria |
| Papaveraceae | Poppy | Romneya |
| Parmeliaceae | Usnea [lichen] | Usnea |
| Parnassiaceae | Grass-of-Parnassus | Parnassia |
| Passifloraceae | Blue Passionflower | Passiflora |
| Paulowniaceae | Foxglove Trees | Paulownia |
| Pedaliaceae | Sesame | Sesamum |
| Pelliaceae | Liverworts | Pellia |
| Phrymaceae | Monkeyflower | Mimulus |
| Phytolaccaceae | Pokeweed | Phytolacca |
| Pinaceae | Pine | Abies |
| Pinaceae | Pine | Cedrus |
| Pinaceae | Pine | Larix |
| Pinaceae | Pine | Picea |
| Pinaceae | Pine | Pinus |
| Pinaceae | Pine | Pseudotsuga |
| Pittosporaceae | Karo | Pittosporum |
| Plagiotheciaceae | Mosses | Plagiothecium |
| Plantaginaceae | Plantain | Antirrhinum |
| Plantaginaceae | Plantain | Callitriche |
| Plantaginaceae | Plantain | Chaenorhinum |
| Plantaginaceae | Plantain | Cymbalaria |
| Plantaginaceae | Plantain | Digitalis |
| Plantaginaceae | Plantain | Erinus |
| Plantaginaceae | Plantain | Gratiola |
| Plantaginaceae | Plantain | Hebe |
| Plantaginaceae | Plantain | Hippuris |
| Plantaginaceae | Plantain | Kickxia |
| Plantaginaceae | Plantain | Linaria |
| Plantaginaceae | Plantain | Littorella |
| Plantaginaceae | Plantain | Misopates |
| Plantaginaceae | Plantain | Parahebe |
| Plantaginaceae | Plantain | Plantago |
| Plantaginaceae | Plantain | Sibthorpia |
| Plantaginaceae | Plantain | Veronica |
| Platanaceae | Plane Tree | Platanus |
| Plumbaginaceae | Thrift | Armeria |
| Plumbaginaceae | Thrift | Ceratostigma |
| Plumbaginaceae | Thrift | Limonium |
| Poaceae | Grasses | Achnatherum |
| Poaceae | Grasses | Aegilops |
| Poaceae | Grasses | Agropyron |
| Poaceae | Grasses | Agrostis |
| Poaceae | Grasses | Aira |
| Poaceae | Grasses | Alopecarus |
| Poaceae | Grasses | Ammophila |
| Poaceae | Grasses | Amphibromus |
| Poaceae | Grasses | Anemanthele |
| Poaceae | Grasses | Anisantha |
| Poaceae | Grasses | Anthoxanthum |
| Poaceae | Grasses | Apera |
| Poaceae | Grasses | Arrhenatherum |
| Poaceae | Grasses | Avena |
| Poaceae | Grasses | Avenula |
| Poaceae | Grasses | Beckmannia |
| Poaceae | Grasses | Brachiaria |
| Poaceae | Grasses | Brachypodium |
| Poaceae | Grasses | Briza |
| Poaceae | Grasses | Bromopsis |
| Poaceae | Grasses | Bromus |
| Poaceae | Grasses | Calamagrostis |
| Poaceae | Grasses | Catabrosa |
| Poaceae | Grasses | Catapodium |
| Poaceae | Grasses | Cenchrus |
| Poaceae | Grasses | Ceratochloa |
| Poaceae | Grasses | Chasmanthium |
| Poaceae | Grasses | Chimonobambusa |
| Poaceae | Grasses | Chloris |
| Poaceae | Grasses | Cortaderia |
| Poaceae | Grasses | Corynephorus |
| Poaceae | Grasses | Crithopsis |
| Poaceae | Grasses | Cynodon |
| Poaceae | Grasses | Cynosurus |
| Poaceae | Grasses | Dactylis |
| Poaceae | Grasses | Dactyloctenium |
| Poaceae | Grasses | Danthonia |
| Poaceae | Grasses | Deschampsia |
| Poaceae | Grasses | Digitaria |
| Poaceae | Grasses | Echinochloa |
| Poaceae | Grasses | Ehrharta |
| Poaceae | Grasses | Eleusine |
| Poaceae | Grasses | Elymus |
| Poaceae | Grasses | Elytrigia |
| Poaceae | Grasses | Enneapogon |
| Poaceae | Grasses | Eragrostis |
| Poaceae | Grasses | Eremopyrum |
| Poaceae | Grasses | Eriochloa |
| Poaceae | Grasses | Fargesia |
| Poaceae | Grasses | Festuca |
| Poaceae | Grasses | Gastridium |
| Poaceae | Grasses | Gaudinia |
| Poaceae | Grasses | Glyceria |
| Poaceae | Grasses | Hainardia |
| Poaceae | Grasses | Hierochloe |
| Poaceae | Grasses | Holcus |
| Poaceae | Grasses | Hordelymus |
| Poaceae | Grasses | Hordeum |
| Poaceae | Grasses | Koeleria |
| Poaceae | Grasses | Lagurus |
| Poaceae | Grasses | Lamarckia |
| Poaceae | Grasses | Leersia |
| Poaceae | Grasses | Leptochloa |
| Poaceae | Grasses | Leymus |
| Poaceae | Grasses | Lolium |
| Poaceae | Grasses | Melica |
| Poaceae | Grasses | Mibora |
| Poaceae | Grasses | Milium |
| Poaceae | Grasses | Miscanthus |
| Poaceae | Grasses | Molinia |
| Poaceae | Grasses | Nardus |
| Poaceae | Grasses | Nassella |
| Poaceae | Grasses | Oryzopsis |
| Poaceae | Grasses | Panicum |
| Poaceae | Grasses | Parapholis |
| Poaceae | Grasses | Paspalum |
| Poaceae | Grasses | Pennisetum |
| Poaceae | Grasses | Phalaris |
| Poaceae | Grasses | Phleum |
| Poaceae | Grasses | Phragmites |
| Poaceae | Grasses | Phyllostachys |
| Poaceae | Grasses | Piptochaetium |
| Poaceae | Grasses | Pleioblastus |
| Poaceae | Grasses | Poa |
| Poaceae | Grasses | Polypogon |
| Poaceae | Grasses | Pseudosasa |
| Poaceae | Grasses | Psilurus |
| Poaceae | Grasses | Puccinellia |
| Poaceae | Grasses | Rostraria |
| Poaceae | Grasses | Rytidosperma |
| Poaceae | Grasses | Sasa |
| Poaceae | Grasses | Sasaella |
| Poaceae | Grasses | Schedonorus |
| Poaceae | Grasses | Schismus |
| Poaceae | Grasses | Secale |
| Poaceae | Grasses | Semiarundinaria |
| Poaceae | Grasses | Sesleria |
| Poaceae | Grasses | Setaria |
| Poaceae | Grasses | Snowdenia |
| Poaceae | Grasses | Sorghum |
| Poaceae | Grasses | Spartina |
| Poaceae | Grasses | Sporobolus |
| Poaceae | Grasses | Stipa |
| Poaceae | Grasses | Taeniatherum |
| Poaceae | Grasses | Tragus |
| Poaceae | Grasses | Triplachne |
| Poaceae | Grasses | Trisetum |
| Poaceae | Grasses | Triticum |
| Poaceae | Grasses | Urochloa |
| Poaceae | Grasses | Vulpia |
| Poaceae | Grasses | Yushania |
| Poaceae | Grasses | Zea |
| Poaceae | Grasses | Zizania |
| Polemoniaceae | Jacob's Ladder / Phlox | Collomia |
| Polemoniaceae | Jacob's Ladder / Phlox | Gilia |
| Polemoniaceae | Jacob's Ladder / Phlox | Linanthus |
| Polemoniaceae | Jacob's Ladder / Phlox | Navarretia |
| Polemoniaceae | Jacob's Ladder / Phlox | Phlox |
| Polemoniaceae | Jacob's Ladder / Phlox | Polemonium |
| Polygalaceae | Milkwort | Polygala |
| Polygonaceae | Dock & Knotweed | Fagopyrum |
| Polygonaceae | Dock & Knotweed | Fallopia |
| Polygonaceae | Dock & Knotweed | Koenigia |
| Polygonaceae | Dock & Knotweed | Muehlenbeckia |
| Polygonaceae | Dock & Knotweed | Oxyria |
| Polygonaceae | Dock & Knotweed | Persicaria |
| Polygonaceae | Dock & Knotweed | Polygonum |
| Polygonaceae | Dock & Knotweed | Rheum |
| Polygonaceae | Dock & Knotweed | Rumex |
| Polypodiaceae | Polypody | Phymatodes |
| Polypodiaceae | Polypody | Polypodium |
| Polytrichaceae | Mosses | Atrichum |
| Polytrichaceae | Mosses | Polytrichum |
| Pontederiaceae | Pickerelweed | Eichhornia |
| Pontederiaceae | Pickerelweed | Pontederia |
| Portulacaceae | Purslane | Calandrinia |
| Portulacaceae | Purslane | Claytonia |
| Portulacaceae | Purslane | Montia |
| Portulacaceae | Purslane | Portulaca |
| Potamogetonaceae | Pondweed | Groenlandia |
| Potamogetonaceae | Pondweed | Potamogeton |
| Potamogetonaceae | Pondweed | Zannichellia |
| Primulaceae | Primrose | Centunculus |
| Primulaceae | Primrose | Hottonia |
| Primulaceae | Primrose | Primula |
| Pteridaceae | Brake & Ribbon Ferns | Anogramma |
| Pteridaceae | Brake & Ribbon Ferns | Pteris |
| Ranunculaceae | Buttercup | Aconitum |
| Ranunculaceae | Buttercup | Actaea |
| Ranunculaceae | Buttercup | Adonis |
| Ranunculaceae | Buttercup | Anemone |
| Ranunculaceae | Buttercup | Aquilegia |
| Ranunculaceae | Buttercup | Caltha |
| Ranunculaceae | Buttercup | Clematis |
| Ranunculaceae | Buttercup | Consolida |
| Ranunculaceae | Buttercup | Delphinium |
| Ranunculaceae | Buttercup | Eranthis |
| Ranunculaceae | Buttercup | Ficaria |
| Ranunculaceae | Buttercup | Helleborus |
| Ranunculaceae | Buttercup | Hepatica |
| Ranunculaceae | Buttercup | Myosurus |
| Ranunculaceae | Buttercup | Nigella |
| Ranunculaceae | Buttercup | Pulsatilla |
| Ranunculaceae | Buttercup | Ranunculus |
| Ranunculaceae | Buttercup | Thalictrum |
| Ranunculaceae | Buttercup | Trollius |
| Resedaceae | Mignonette | Reseda |
| Rhamnaceae | Buckthorn | Frangula |
| Rhamnaceae | Buckthorn | Rhamnus |
| Rosaceae | Rose | Acaena |
| Rosaceae | Rose | Agrimonia |
| Rosaceae | Rose | Alchemilla |
| Rosaceae | Rose | Amelanchier |
| Rosaceae | Rose | Aphanes |
| Rosaceae | Rose | Aremonia |
| Rosaceae | Rose | Aronia |
| Rosaceae | Rose | Aruncus |
| Rosaceae | Rose | Chaenomeles |
| Rosaceae | Rose | Comarum |
| Rosaceae | Rose | Cotoneaster |
| Rosaceae | Rose | Crataegus |
| Rosaceae | Rose | Cydonia |
| Rosaceae | Rose | Dryas |
| Rosaceae | Rose | Eriobotrya |
| Rosaceae | Rose | Filipendula |
| Rosaceae | Rose | Fragaria |
| Rosaceae | Rose | Geum |
| Rosaceae | Rose | Holodiscus |
| Rosaceae | Rose | Kerria |
| Rosaceae | Rose | Malus |
| Rosaceae | Rose | Margyricarpus |
| Rosaceae | Rose | Mespilus |
| Rosaceae | Rose | Oemleria |
| Rosaceae | Rose | Physocarpus |
| Rosaceae | Rose | Potentilla |
| Rosaceae | Rose | Poterium |
| Rosaceae | Rose | Prunus |
| Rosaceae | Rose | Pyracantha |
| Rosaceae | Rose | PyruS |
| Rosaceae | Rose | Raphiolepis |
| Rosaceae | Rose | Rosa |
| Rosaceae | Rose | Rubus |
| Rosaceae | Rose | Sanguisorba |
| Rosaceae | Rose | Sibbaldia |
| Rosaceae | Rose | Sorbaria |
| Rosaceae | Rose | Sorbus |
| Rosaceae | Rose | Spiraea |
| Rosaceae | Rose | Stranvaesia |
| Rubiaceae | Bedstraw | Asperula |
| Rubiaceae | Bedstraw | Coprosma |
| Rubiaceae | Bedstraw | Crucianella |
| Rubiaceae | Bedstraw | Cruciata |
| Rubiaceae | Bedstraw | Galium |
| Rubiaceae | Bedstraw | Nertera |
| Rubiaceae | Bedstraw | Phuopsis |
| Rubiaceae | Bedstraw | Rubia |
| Rubiaceae | Bedstraw | Sherardia |
| Ruppiaceae | Tasselweed | Ruppia |
| Russulaceae | Milkcap [fungi] | Lactarius |
| Russulaceae | Brittlegill [fungi] | Russula |
| Rutaceae | Rue | Choisya |
| Rutaceae | Rue | Correa |
| Rutaceae | Rue | Ruta |
| Rutaceae | Rue | Skimmia |
| Salicaceae | Willow | Chamaeta |
| Salicaceae | Willow | Populus |
| Salicaceae | Willow | Salix |
| Salicaceae | Willow | Vetrix |
| Salviniaceae | Water Fern | Azolla |
| Santalaceae | Bastard-toadflax | Thesium |
| Santalaceae | Bastard-toadflax | Viscum |
| Sapindaceae | Maple | Acer |
| Sapindaceae | Maple | Aesculus |
| Sapindaceae | Maple | Koelreuteria |
| Sarraceniaceae | Pitcherplant | Sarracenia |
| Saururaceae | Chameleon | Houttuynia |
| Saxifragaceae | Saxifrage | Astilbe |
| Saxifragaceae | Saxifrage | Bergenia |
| Saxifragaceae | Saxifrage | Chrysosplenium |
| Saxifragaceae | Saxifrage | Darmera |
| Saxifragaceae | Saxifrage | Heuchera |
| Saxifragaceae | Saxifrage | Rodgersia |
| Saxifragaceae | Saxifrage | Saxifraga |
| Saxifragaceae | Saxifrage | Tellima |
| Saxifragaceae | Saxifrage | Tiarella |
| Saxifragaceae | Saxifrage | Tolmiea |
| Scheuchzeriaceae | Rannoch-Rush | Scheuchzeria |
| Sciadopityaceae | Japanese Umbrella-Pine | Sciadopitys |
| Scrophulariaceae | Figwort | Alonsoa |
| Scrophulariaceae | Figwort | Asarina |
| Scrophulariaceae | Figwort | Buddleja |
| Scrophulariaceae | Figwort | Chaenorhinum |
| Scrophulariaceae | Figwort | Diascia |
| Scrophulariaceae | Figwort | Limosella |
| Scrophulariaceae | Figwort | Nemesia |
| Scrophulariaceae | Figwort | Phygelius |
| Scrophulariaceae | Figwort | Scrophularia |
| Scrophulariaceae | Figwort | Sutera |
| Scrophulariaceae | Figwort | Verbascum |
| Selaginellaceae | Lesser Clubmosses | Selaginella |
| Simaroubaceae | Tree-of-Heaven | Ailanthus |
| Smilacaceae | Greenbriar | Smilax |
| Solanaceae | Nightshade | Atropa |
| Solanaceae | Nightshade | Capsicum |
| Solanaceae | Nightshade | Datura |
| Solanaceae | Nightshade | Hyoscyamus |
| Solanaceae | Nightshade | Iochroma |
| Solanaceae | Nightshade | Lycium |
| Solanaceae | Nightshade | Nicandra |
| Solanaceae | Nightshade | Nicotiana |
| Solanaceae | Nightshade | Nolana |
| Solanaceae | Nightshade | Petunia |
| Solanaceae | Nightshade | Physalis |
| Solanaceae | Nightshade | Physochlaina |
| Solanaceae | Nightshade | Salpichroa |
| Solanaceae | Nightshade | Scopolia |
| Solanaceae | Nightshade | Solanum |
| Sphagnaceae | Mosses | Sphagnum |
| Staphyleaceae | Bladdernut | Staphylea |
| Styracaceae | Styrax Trees | Styrax |
| Tamaricaceae | Tamarisk | Tamarix |
| Taxaceae | Yew | Taxus |
| Teloschistaceae | Xanthoria [lichen] | Xanthoria |
| Theaceae | Camelia | Camellia |
| Thelypteridaceae | Marsh & Beech Fern | Oreopteris |
| Thelypteridaceae | Marsh & Beech Fern | Phegopteris |
| Thelypteridaceae | Marsh & Beech Fern | Thelypteris |
| Theophrastiaceae | Brookweed | Samolus |
| Thuidiaceae | Mosses | Thuidium |
| Thymelaeaceae | Mezereon | Daphne |
| Tropaeolaceae | Nasturtium | Tropaeolum |
| Typhaceae | Bulrush | Sparganium |
| Typhaceae | Bulrush | Typha |
| Ulmaceae | Elm | Ulmus |
| Ulmaceae | Elm | Zelkova |
| Urticaceae | Nettle | Parietaria |
| Urticaceae | Nettle | Soleirolia |
| Urticaceae | Nettle | Urtica |
| Valerianaceae | Valerian | Centranthus |
| Valerianaceae | Valerian | Valeriana |
| Valerianaceae | Valerian | Valerianella |
| Verbenaceae | Verbena / Vervain | Clerodendrum |
| Verbenaceae | Verbena / Vervain | Lippia |
| Verbenaceae | Verbena / Vervain | Verbena |
| Violaceae | Violet | Viola |
| Vitaceae | Vine | Parthenocissus |
| Vitaceae | Vine | Vitis |
| Woodsiaceae | Lady-fern | Athyrium |
| Woodsiaceae | Lady-fern | Woodsia |
| Xanthorrhoeaceae | Asphodel | Asphodelus |
| Xanthorrhoeaceae | Asphodel | Hemerocallis |
| Xanthorrhoeaceae | Asphodel | Kniphofia |
| Xanthorrhoeaceae | Asphodel | Phormium |
| Xanthorrhoeaceae | Asphodel | Simethis |
| Xylariaceae | Candlesnuff [fungi] | Xylaria |
| Zosteraceae | Eelgrass | Zostera |
