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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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GENUS
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LATIN FAMILY
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ENGLISH FAMILY
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| Abelia | Caprifoliaceae | Honeysuckle |
| Abies | Pinaceae | Pine |
| Abutilon | Malvaceae | Mallow |
| Acacia | Fabaceae | Pea |
| Acaena | Rosaceae | Rose |
| Acanthus | Acanthaceae | Bearsbreech |
| Acer | Sapindaceae | Maple |
| Achillea | Asteraceae | Daisy & Dandelion |
| Achnatherum | Poaceae | Grasses |
| Aconitum | Ranunculaceae | Buttercup |
| Acorus | Acoraceae | Yellow Flag |
| Acroptilon | Asteraceae | Daisy & Dandelion |
| Actaea | Ranunculaceae | Buttercup |
| Adenosepalum | Hypericaceae | St John's Wort |
| Adiantum | Adiantaceae | Maidenhair |
| Adonis | Ranunculaceae | Buttercup |
| Adoxa | Adoxaceae | Moschatel |
| Aegilops | Poaceae | Grasses |
| Aegopodium | Apiaceae | Carrot |
| Aeonium | Crassulaceae | Stonecrop |
| Aesculus | Sapindaceae | Maple |
| Aetheorhiza | Asteraceae | Daisy & Dandelion |
| Aethusa | Apiaceae | Carrot |
| Agapanthus | Alliaceae | Onion & Garlic |
| Agastache | Lamiaceae | Mint / Dead-Nettle |
| Agave | Asparagaceae | Asparagus |
| Ageratum | Asteraceae | Daisy & Dandelion |
| Agrimonia | Rosaceae | Rose |
| Agropyron | Poaceae | Grasses |
| Agrostemma | Caryophyllaceae | Carnation & Campion (Pink) |
| Agrostis | Poaceae | Grasses |
| Aichryson | Crassulaceae | Stonecrop |
| Ailanthus | Simaroubaceae | Tree-of-Heaven |
| Aira | Poaceae | Grasses |
| Ajuga | Lamiaceae | Mint / Dead-Nettle |
| Akebia | Lardizabalaceae | Chocolate Vine |
| Alceae | Malvaceae | Mallow |
| Alchemilla | Rosaceae | Rose |
| Alisma | Alismataceae | Water-Plantain |
| Alliaria | Brassicaceae | Cabbage |
| Allium | Alliaceae | Onion & Garlic |
| Alnus | Betulaceae | Birch |
| Alonsoa | Scrophulariaceae | Figwort |
| Alopecarus | Poaceae | Grasses |
| Alstroemeria | Alstroemeriaceae | Peruvian Lily |
| Alternanthera | Amaranthaceae | Goosefoot |
| Althaea | Malvaceae | Mallow |
| Alyssum | Brassicaceae | Cabbage |
| Amaranthus | Amaranthaceae | Goosefoot |
| Amaryllis | Alliaceae | Onion & Garlic |
| Ambrosia | Asteraceae | Daisy & Dandelion |
| Amelanchier | Rosaceae | Rose |
| Ammi | Apiaceae | Carrot |
| Ammophila | Poaceae | Grasses |
| Amphibromus | Poaceae | Grasses |
| Amsinckia | Boraginaceae | Borage |
| Anacamptis | Orchidaceae | Orchid |
| Anacyclus | Asteraceae | Daisy & Dandelion |
| Anagallis | Myrsinaceae | Myrsine |
| Anaphalis | Asteraceae | Daisy & Dandelion |
| Anchusa | Boraginaceae | Borage |
| Andromeda | Ericaceae | Heather |
| Androsaemum | Hypericaceae | St John's Wort |
| Anemanthele | Poaceae | Grasses |
| Anemone | Ranunculaceae | Buttercup |
| Anethum | Apiaceae | Carrot |
| Angelica | Apiaceae | Carrot |
| Anisantha | Poaceae | Grasses |
| Anisodontea | Malvaceae | Mallow |
| Anogramma | Pteridaceae | Brake & Ribbon Ferns |
| Anredera | Basellaceae | Madeira-Vine |
| Antennaria | Asteraceae | Daisy & Dandelion |
| Anthemis | Asteraceae | Daisy & Dandelion |
| Antholyza | Iridaceae | Iris |
| Anthoxanthum | Poaceae | Grasses |
| Anthriscus | Apiaceae | Carrot |
| Anthyllis | Fabaceae | Pea |
| Antirrhinum | Plantaginaceae | Plantain |
| Apera | Poaceae | Grasses |
| Aphanes | Rosaceae | Rose |
| Apium | Apiaceae | Carrot |
| Aponogeton | Aponogetonaceae | Cape Pondweed |
| Aptenia | Aizoaceae | Mesembryanthemum |
| Aquilegia | Ranunculaceae | Buttercup |
| Arabidopsis | Brassicaceae | Cabbage |
| Arabis | Brassicaceae | Cabbage |
| Arachis | Fabaceae | Pea |
| Aralia | Araliaceae | Ivy |
| Araucaria | Araucariaceae | Monkey-Puzzle Tree |
| Arbutus | Ericaceae | Heather |
| Arctium | Asteraceae | Daisy & Dandelion |
| Arctostaphylos | Ericaceae | Heather |
| Arctotheca | Asteraceae | Daisy & Dandelion |
| Arctotis | Asteraceae | Daisy & Dandelion |
| Aremonia | Rosaceae | Rose |
| Arenaria | Caryophyllaceae | Carnation & Campion (Pink) |
| Argemone | Papaveraceae | Poppy |
| Argyranthemum | Asteraceae | Daisy & Dandelion |
| Arisarum | Araceae | Arum |
| Aristea | Iridaceae | Iris |
| Aristolochia | Aristolochiaceae | Birthwort |
| Armeria | Plumbaginaceae | Thrift |
| Armoracia | Brassicaceae | Cabbage |
| Arnoseris | Asteraceae | Daisy & Dandelion |
| Aronia | Rosaceae | Rose |
| Arrhenatherum | Poaceae | Grasses |
| Artemisia | Asteraceae | Daisy & Dandelion |
| Arum | Araceae | Arum |
| Aruncus | Rosaceae | Rose |
| Asarina | Scrophulariaceae | Figwort |
| Asarum | Aristolochiaceae | Birthwort |
| Ascyreia | Hypericaceae | St John's Wort |
| Asnoda | Malvaceae | Mallow |
| Asparagus | Asparagaceae | Asparagus |
| Asperugo | Boraginaceae | Borage |
| Asperula | Rubiaceae | Bedstraw |
| Asphodelus | Xanthorrhoeaceae | Asphodel |
| Aspidistra | Asparagaceae | Asparagus |
| Asplenium | Aspleniaceae | Spleenwort |
| Aster | Asteraceae | Daisy & Dandelion |
| Astilbe | Saxifragaceae | Saxifrage |
| Astragalus | Fabaceae | Pea |
| Astrantia | Apiaceae | Carrot |
| Athyrium | Woodsiaceae | Lady-fern |
| Atrichum | Polytrichaceae | Mosses |
| Atriplex | Amaranthaceae | Goosefoot |
| Atropa | Solanaceae | Nightshade |
| Aubrieta | Brassicaceae | Cabbage |
| Aucuba | Garryaceae | Spotted-Laurel |
| Auricularia | Auriculariaceae | , |
| Aurinia | Brassicaceae | Cabbage |
| Avena | Poaceae | Grasses |
| Avenula | Poaceae | Grasses |
| Axyris | Amaranthaceae | Goosefoot |
| Azolla | Salviniaceae | Water Fern |
| Baccharis | Asteraceae | Daisy & Dandelion |
| Baldellia | Alismataceae | Water-Plantain |
| Ballota | Lamiaceae | Mint / Dead-Nettle |
| Barbarea | Brassicaceae | Cabbage |
| Bartsia | Orobanchaceae | Broomrape |
| Bassia | Amaranthaceae | Goosefoot |
| Beckmannia | Poaceae | Grasses |
| Begonia | Begoniaceae | Begonia |
| Bellis | Asteraceae | Daisy & Dandelion |
| Berberis | Berberidaceae | Barberry |
| Bergenia | Saxifragaceae | Saxifrage |
| Berteroa | Brassicaceae | Cabbage |
| Berula | Apiaceae | Carrot |
| Beta | Amaranthaceae | Goosefoot |
| Betonica | Lamiaceae | Mint / Dead-nettle |
| Betula | Betulaceae | Birch |
| Bidens | Asteraceae | Daisy & Dandelion |
| Bifora | Apiaceae | Carrot |
| Blackstonia | Gentianaceae | Gentian |
| Blechnum | Blechnaceae | Hard-Fern |
| Blysmus | Cyperaceae | Sedge Club- & Spike-Rush |
| Bolboschoenus | Cyperaceae | Sedge Club- & Spike-Rush |
| Boletus | Boletaceae | Bolete [fungi] |
| Borago | Boraginaceae | Borage |
| Botrychium | Botrychiaceae | Moonwort |
| Bovista | Lycoperdaceae | Puffballs, |
| Brachiaria | Poaceae | Grasses |
| Brachyglottis | Asteraceae | Daisy & Dandelion |
| Brachypodium | Poaceae | Grasses |
| Brachythecium | Brachytheciaceae | Mosses |
| Brassica | Brassicaceae | Cabbage |
| Briza | Poaceae | Grasses |
| Bromopsis | Poaceae | Grasses |
| Bromus | Poaceae | Grasses |
| Brunnera | Boraginaceae | Borage |
| Bryonia | Cucurbitaceae | Marrow |
| Buchwaldoboletus | Boletaceae | Bolete [fungi] |
| Buddleja | Scrophulariaceae | Figwort |
| Bunias | Brassicaceae | Cabbage |
| Bunium | Apiaceae | Carrot |
| Buphthalmum | Asteraceae | Daisy & Dandelion |
| Bupleurum | Apiaceae | Carrot |
| Butomus | Butomaceae | Flowering-Rush |
| Buxus | Buxaceae | Box |
| Cabomba | Cabombaceae | Water-Shield |
| Cakile | Brassicaceae | Cabbage |
| Calamagrostis | Poaceae | Grasses |
| Calandrinia | Portulacaceae | Purslane |
| Calceolaria | Calceolariaceae | Slipperwort |
| Calendula | Asteraceae | Daisy & Dandelion |
| Calepina | Brassicaceae | Cabbage |
| Calla | Araceae | Arum |
| Calliergonella | Hypnaceae | Mosses |
| Callistephus | Asteraceae | Daisy & Dandelion |
| Callitriche | Plantaginaceae | Plantain |
| Calluna | Ericaceae | Heather |
| Calocedrus | Cupressaceae | Cypress |
| Calotis | Asteraceae | Daisy & Dandelion |
| Caltha | Ranunculaceae | Buttercup |
| Calvatia | Lycoperdaceae | Puffballs, |
| Calypso | Orchidaceae | Orchid |
| Calystegia | Convolvulaceae | Bindweed |
| Camassia | Asparagaceae | Asparagus |
| Camelina | Brassicaceae | Cabbage |
| Camellia | Theaceae | Camelia |
| Campanula | Campanulaceae | Bellflower |
| Campsis | Bignoniaceae | Bignonia |
| Cannabis | Cannabaceae | Hemp |
| Capsella | Brassicaceae | Cabbage |
| Capsicum | Solanaceae | Nightshade |
| Cardamine | Brassicaceae | Cabbage |
| Carduus | Asteraceae | Daisy & Dandelion |
| Carex | Cyperaceae | Sedge Club- & Spike-Rush |
| Carlina | Asteraceae | Daisy & Dandelion |
| Carpinus | Betulaceae | Birch |
| Carpobrotus | Aizoaceae | Mesembryanthemum |
| Carrichtera | Brassicaceae | Cabbage |
| Carthamus | Asteraceae | Daisy & Dandelion |
| Carum | Apiaceae | Carrot |
| Caryopteris | Lamiaceae | Mint / Dead-Nettle |
| Cassinia | Asteraceae | Daisy & Dandelion |
| Castanea | Fagaceae | Beech |
| Catabrosa | Poaceae | Grasses |
| Catalpa | Bignoniaceae | Bignonia |
| Catananche | Asteraceae | Daisy & Dandelion |
| Catapodium | Poaceae | Grasses |
| Caucalis | Apiaceae | Carrot |
| Cedronella | Lamiaceae | Mint / Dead-Nettle |
| Cedrus | Pinaceae | Pine |
| Celastrus | Celastraceae | Spindle |
| Celosia | Amaranthaceae | Goosefoot |
| Cenchrus | Poaceae | Grasses |
| Centaurea | Asteraceae | Daisy & Dandelion |
| Centaurium | Gentianaceae | Gentian |
| Centranthus | Valerianaceae | Valerian |
| Centunculus | Primulaceae | Primrose |
| Cephalanthera | Orchidaceae | Orchid |
| Cephalaria | Dipsacaceae | Teasel |
| Cephalotaxus | Cephalotaxaceae | Plum-yew |
| Cerastium | Caryophyllaceae | Carnation & Campion (Pink) |
| Ceratocapnos | Papaveraceae | Poppy |
| Ceratochloa | Poaceae | Grasses |
| Ceratophyllum | Ceratophyllaceae | Hornwort |
| Ceratostigma | Plumbaginaceae | Thrift |
| Cercidiphyllum | Cercidiphyllaceae | Katsura |
| Cercis | Fabaceae | Pea |
| Cerinthe | Boraginaceae | Borage |
| Ceterach ⇒ Asplenium | Aspleniaceae | Spleenwort |
| Chaenomeles | Rosaceae | Rose |
| Chaenorhinum | Plantaginaceae | Plantain |
| Chaenorhinum | Scrophulariaceae | Figwort |
| Chaerophyllum | Apiaceae | Carrot |
| Chalciporus | Boletaceae | Bolete [fungi] |
| Chamaecyparis | Cupressaceae | Cypress |
| Chamaemelum | Asteraceae | Daisy & Dandelion |
| Chamaemyces | Agaricaceae | Dapperling [fungi] |
| Chamaesyce | Euphorbiaceae | Spurge |
| Chamaeta | Salicaceae | Willow |
| Chamerion | Onagraceae | Willowherb |
| Chara | Characeae | Stonewort |
| Chasmanthe | Iridaceae | Iris |
| Chasmanthium | Poaceae | Grasses |
| Chelidonium | Papaveraceae | Poppy |
| Chenopodium | Amaranthaceae | Goosefoot |
| Chiastophyllum | Crassulaceae | Stonecrop |
| Chimonobambusa | Asparagaceae | Asparagus |
| Chionodoxa | Poaceae | Grasses |
| Chloris | Poaceae | Grasses |
| Chlorophyllum | Agaricaceae | Parasol [fungi] |
| Choisya | Rutaceae | Rue |
| Chorispora | Brassicaceae | Cabbage |
| Chrozophora | Euphorbiaceae | Spurge |
| Chrysanthemum | Asteraceae | Daisy & Dandelion |
| Chrysocoma | Asteraceae | Daisy & Dandelion |
| Chrysosplenium | Saxifragaceae | Saxifrage |
| Cicendia | Gentianaceae | Gentian |
| Cicer | Fabaceae | Pea |
| Cicerbita | Asteraceae | Daisy & Dandelion |
| Cichorium | Asteraceae | Daisy & Dandelion |
| Ciclospermum | Apiaceae | Carrot |
| Cicuta | Apiaceae | Carrot |
| Circaea | Onagraceae | Willowherb |
| Cirsium | Asteraceae | Daisy & Dandelion |
| Cistus | Cistaceae | Rock-Rose |
| Citrullus | Cucurbitaceae | Marrow |
| Cladanthus | Asteraceae | Daisy & Dandelion |
| Cladium | Cyperaceae | Sedge Club- & Spike-Rush |
| Cladonia | Cladoniaceae | Cladonia [lichen] |
| Clarkia | Onagraceae | Willowherb |
| Claytonia | Montiaceae | Purslane |
| Clematis | Ranunculaceae | Buttercup |
| Cleome | Cleomaceae | Spiderflower |
| Cleretum | Aizoaceae | Mesembryanthemum |
| Clerodendrum | Verbenaceae | Verbena / Vervain |
| Clethra | Clethraceae | Lily-of-the-Valley Tree |
| Clinopodium | Lamiaceae | Mint / Dead-Nettle |
| Cnicus | Asteraceae | Daisy & Dandelion |
| Cochlearia | Brassicaceae | Cabbage |
| Coeloglossum | Orchidaceae | Orchid |
| Coincya | Brassicaceae | Cabbage |
| Colchicum | Colchicaceae | Meadow Saffron |
| Coleus | Lamiaceae | Mint / Dead-Nettle |
| Collomia | Polemoniaceae | Jacob's Ladder / Phlox |
| Colutea | Fabaceae | Pea |
| Comarum | Rosaceae | Rose |
| Conium | Apiaceae | Carrot |
| Conocephalum | Conocephalaceae | Liverworts |
| Conopodium | Apiaceae | Carrot |
| Conringia | Brassicaceae | Cabbage |
| Consolida | Ranunculaceae | Buttercup |
| Convallaria | Asparagaceae | Asparagus |
| Convolvulus | Convolvulaceae | Bindweed |
| Conyza | Asteraceae | Daisy & Dandelion |
| Coprosma | Rubiaceae | Bedstraw |
| Corallorhiza | Orchidaceae | Orchid |
| Cordyline | Asparagaceae | Asparagus |
| Coreopsis | Asteraceae | Daisy & Dandelion |
| Coriandrum | Apiaceae | Carrot |
| Corispermum | Amaranthaceae | Goosefoot |
| Cornus | Cornaceae | Dogwood |
| Coronilla | Fabaceae | Pea |
| Coronopus ⇒ Lepidium | Brassicaceae | Cabbage |
| Correa | Rutaceae | Rue |
| Corrigiola | Caryophyllaceae | Carnation & Campion (Pink) |
| Cortaderia | Poaceae | Grasses |
| Corydalis | Papaveraceae | Poppy |
| Corylus | Betulaceae | Birch |
| Corynephorus | Poaceae | Grasses |
| Cosmos | Asteraceae | Daisy & Dandelion |
| Cotinus | Anacardiaceae | Sumach / Cashew |
| Cotoneaster | Rosaceae | Rose |
| Cotula | Asteraceae | Daisy & Dandelion |
| Crambe | Brassicaceae | Cabbage |
| Crassula | Crassulaceae | Stonecrop |
| Crataegus | Rosaceae | Rose |
| Crepis | Asteraceae | Daisy & Dandelion |
| Crinum | Alliaceae | Onion & Garlic |
| Crithmum | Apiaceae | Carrot |
| Crithopsis | Poaceae | Grasses |
| Crocosmia | Iridaceae | Iris |
| Crocus | Iridaceae | Iris |
| Crucianella | Rubiaceae | Bedstraw |
| Cruciata | Rubiaceae | Bedstraw |
| Cryptogramma | Cryptogrammaceae | Parsley Fern |
| Cryptomeria | Cupressaceae | Cypress |
| Cucubalus ⇒ Silene | Caryophyllaceae | Carnation & Campion (Pink) |
| Cucumis | Cucurbitaceae | Marrow |
| Cucurbita | Cucurbitaceae | Marrow |
| Cullen | Asteraceae | Daisy & Dandelion |
| Cuminum | Apiaceae | Carrot |
| Cupressus | Cupressaceae | Cypress |
| Cuscuta | Convolvulaceae | Bindweed |
| Cyathea | Cyatheaceae | Scaly Tree-Fern |
| Cyclamen | Myrsinaceae | Myrsine |
| Cycloloma | Amaranthaceae | Goosefoot |
| Cydonia | Rosaceae | Rose |
| Cymbalaria | Plantaginaceae | Plantain |
| Cynara | Asteraceae | Daisy & Dandelion |
| Cynodon | Poaceae | Grasses |
| Cynoglossum | Boraginaceae | Borage |
| Cynoglottis | Boraginaceae | Borage |
| Cynosurus | Poaceae | Grasses |
| Cyperus | Cyperaceae | Sedge Club- & Spike-Rush |
| Cypripedium | Orchidaceae | Orchid |
| Cyrtomium | Dryopteridaceae | Male & Buckler Ferns |
| Cystoderma | Agaricaceae | Powdercap [fungi] |
| Cystolepiota | Agaricaceae | Dapperling [fungi] |
| Cystopteris | Cystopteridaceae | Bladder-Ferns |
| Cytisus | Fabaceae | Pea |
| Daboecia | Ericaceae | Heather |
| Dactylis | Poaceae | Grasses |
| Dactyloctenium | Poaceae | Grasses |
| Dactylorhiza | Orchidaceae | Orchid |
| Dahlia | Asteraceae | Daisy & Dandelion |
| Damasonium | Alismataceae | Water-Plantain |
| Danthonia | Poaceae | Grasses |
| Daphne | Thymelaeaceae | Mezereon |
| Darmera | Saxifragaceae | Saxifrage |
| Datura | Solanaceae | Nightshade |
| Daucus | Apiaceae | Carrot |
| Davallia | Davalliaceae | Hare's-Foot Fern |
| Delairea | Asteraceae | Daisy & Dandelion |
| Delphinium | Ranunculaceae | Buttercup |
| Deschampsia | Poaceae | Grasses |
| Descurainia | Brassicaceae | Cabbage |
| Deutzia | Hydrangeaceae | Hydrangea |
| Dianthus | Caryophyllaceae | Carnation & Campion (Pink) |
| Diapensia | Diapensiaceae | Diapensia |
| Diascia | Scrophulariaceae | Figwort |
| Dicentra | Papaveraceae | Poppy |
| Dichondra | Convolvulaceae | Bindweed |
| Dichrocephala | Asteraceae | Daisy & Dandelion |
| Dicksonia | Dicksoniaceae | Tree-Fern |
| Dicranum | Dicranaceae | Mosses |
| Digitalis | Plantaginaceae | Plantain |
| Digitaria | Poaceae | Grasses |
| Diphasiastrum | Lycopodiaceae | Clubmoss & Quillwort |
| Diplotaxis | Brassicaceae | Cabbage |
| Dipsacus | Dipsacaceae | Teasel |
| Disphyma | Aizoaceae | Mesembryanthemum |
| Dittrichia | Asteraceae | Daisy & Dandelion |
| Doronicum | Asteraceae | Daisy & Dandelion |
| Dorycnium | Fabaceae | Pea |
| Downingia | Campanulaceae | Bellflower |
| Draba | Brassicaceae | Cabbage |
| Dracocephalum | Lamiaceae | Mint / Dead-Nettle |
| Dracunculus | Araceae | Arum |
| Drosanthemum | Aizoaceae | Mesembryanthemum |
| Drosera | Droseraceae | Sundew |
| Dryas | Rosaceae | Rose |
| Dryopteris | Dryopteridaceae | Male & Buckler Ferns |
| Duchesnea ⇒ Potentilla | Rosaceae | Rose |
| Ecballium | Cucurbitaceae | Marrow |
| Eccremocarpus | Bignoniaceae | Bignonia |
| Echeveria | Crassulaceae | Stonecrop |
| Echinochloa | Poaceae | Grasses |
| Echinops | Asteraceae | Daisy & Dandelion |
| Echium | Boraginaceae | Borage |
| Egeria | Hydrocharitaceae | Frogbit |
| Ehrharta | Poaceae | Grasses |
| Eichhornia | Pontederiaceae | Pickerelweed |
| Elaeagnus | Elaeagnaceae | Sea Buckthorn |
| Elatine | Elatinaceae | Waterwort |
| Eleocharis | Cyperaceae | Sedge Club- & Spike-Rush |
| Eleogiton | Cyperaceae | Sedge Club- & Spike-Rush |
| Eleusine | Poaceae | Grasses |
| Elodea | Hydrocharitaceae | Frogbit |
| Elodes | Hypericaceae | St John's Wort |
| Elymus | Poaceae | Grasses |
| Elytrigia | Poaceae | Grasses |
| Empetrum | Ericaceae | Heather |
| Enarthrocarpus | Brassicaceae | Cabbage |
| Enkianthus | Ericaceae | Heather |
| Enneapogon | Poaceae | Grasses |
| Epilobium | Onagraceae | Willowherb |
| Epimedium | Berberidaceae | Barberry |
| Epipogium | Orchidaceae | Orchid |
| Equisetum | Equisetaceae | Horsetail |
| Eragrostis | Poaceae | Grasses |
| Eranthis | Ranunculaceae | Buttercup |
| Eremopyrum | Poaceae | Grasses |
| Erepsia | Aizoaceae | Mesembryanthemum |
| Erica | Ericaceae | Heather |
| Erigeron | Asteraceae | Daisy & Dandelion |
| Erinus | Plantaginaceae | Plantain |
| Eriobotrya | Rosaceae | Rose |
| Eriocaulon | Eriocaulaceae | Pipewort |
| Eriochloa | Poaceae | Grasses |
| Eriophorum | Cyperaceae | Sedge Club- & Spike-Rush |
| Erythronium | Liliaceae | Lily |
| Erodium | Geraniaceae | Cranesbill (Geranium) |
| Erophila | Brassicaceae | Cabbage |
| Eruca | Brassicaceae | Cabbage |
| Erucaria | Brassicaceae | Cabbage |
| Erucastrum | Brassicaceae | Cabbage |
| Eryngium | Apiaceae | Carrot |
| Erysimum | Brassicaceae | Cabbage |
| Escallonia | Escalloniaceae | Escallonia |
| Eschscholzia | Papaveraceae | Poppy |
| Eucalyptus | Myrtaceae | Myrtle |
| Euclidium | Brassicaceae | Cabbage |
| Euonymus | Celastraceae | Spindle |
| Eupatorium | Asteraceae | Daisy & Dandelion |
| Euphorbia | Euphorbiaceae | Spurge |
| Euphrasia | Orobanchaceae | Broomrape |
| Eurhynchium | Brachytheciaceae | Mosses |
| Euryops | Asteraceae | Daisy & Dandelion |
| Exaculum | Gentianaceae | Gentian |
| Fagopyrum | Polygonaceae | Dock & Knotweed |
| Fagus | Fagaceae | Beech |
| Falcaria | Apiaceae | Carrot |
| Fallopia | Polygonaceae | Dock & Knotweed |
| Fargesia | Poaceae | Grasses |
| Fascicularia | Bromeliaceae | Rhodostachys |
| Fatsia | Araliaceae | Ivy |
| Felicia | Asteraceae | Daisy & Dandelion |
| Ferula | Apiaceae | Carrot |
| Festuca | Poaceae | Grasses |
| Ficaria | Ranunculaceae | Buttercup |
| Ficus | Moraceae | Mulberry |
| Filago | Asteraceae | Daisy & Dandelion |
| Filipendula | Rosaceae | Rose |
| Foeniculum | Apiaceae | Carrot |
| Forsythia | Oleaceae | Olive |
| Fothergilla | Hamamelidaceae | Witch-Hazel |
| Fragaria | Rosaceae | Rose |
| Francoa | Francoaceae | Bridal Wreaths |
| Frangula | Rhamnaceae | Buckthorn |
| Frankenia | Frankeniaceae | Sea Heath |
| Fraxinus | Oleaceae | Olive |
| Freesia | Iridaceae | Iris |
| Fritillaria | Liliaceae | Lily |
| Fuchsia | Onagraceae | Willowherb |
| Fumaria | Papaveraceae | Poppy |
| Furcraea | Asparagaceae | Asparagus |
| Gagea | Liliaceae | Lily |
| Gaillardia | Asteraceae | Daisy & Dandelion |
| Galactites | Asteraceae | Daisy & Dandelion |
| Galanthus | Alliaceae | Onion & Garlic |
| Galega | Fabaceae | Pea |
| Galeopsis | Lamiaceae | Mint / Dead-Nettle |
| Galinsoga | Asteraceae | Daisy & Dandelion |
| Galium | Rubiaceae | Bedstraw |
| Garrya | Garryaceae | Spotted-Laurel |
| Gastridium | Poaceae | Grasses |
| Gaudinia | Poaceae | Grasses |
| Gaultheria | Ericaceae | Heather |
| Gazania | Asteraceae | Daisy & Dandelion |
| Genista | Fabaceae | Pea |
| Gentiana | Gentianaceae | Gentian |
| Gentianella | Gentianaceae | Gentian |
| Gentianopsis | Gentianaceae | Gentian |
| Geranium | Geraniaceae | Cranesbill (Geranium) |
| Geropogon | Asteraceae | Daisy & Dandelion |
| Geum | Rosaceae | Rose |
| Gilia | Polemoniaceae | Jacob's Ladder / Phlox |
| Ginkgo | Ginkgoaceae | Maidenhair-Tree |
| Gladiolus | Iridaceae | Iris |
| Glaucium | Papaveraceae | Poppy |
| Glaux | Myrsinaceae | Myrsine |
| Glebionis | Asteraceae | Daisy & Dandelion |
| Glechoma | Lamiaceae | Mint / Dead-Nettle |
| Gleditsia | Fabaceae | Pea |
| Glyceria | Poaceae | Grasses |
| Glycine | Fabaceae | Pea |
| Glycyrrhiza | Fabaceae | Pea |
| Gnaphalium | Asteraceae | Daisy & Dandelion |
| Goodyera | Orchidaceae | Orchid |
| Gratiola | Plantaginaceae | Plantain |
| Grifula | Coriolaceae | Brackets [fungi] |
| Grindelia | Asteraceae | Daisy & Dandelion |
| Griselinia | Griseliniaceae | New Zealand Broadleaf |
| Groenlandia | Potamogetonaceae | Pondweed |
| Guizotia | Asteraceae | Daisy & Dandelion |
| Gunnera | Gunneraceae | Giant Rhubarb |
| Gymnadenia | Orchidaceae | Orchid |
| Gymnocarpium | Cystopteridaceae | Bladder-Ferns |
| Gynoporus | Boletaceae | Bolete [fungi] |
| Gypsophila | Caryophyllaceae | Carnation & Campion (Pink) |
| Hainardia | Poaceae | Grasses |
| Haloragis | Haloragaceae | Water-Milfoil |
| Hamamelis | Hamamelidaceae | Witch-Hazel |
| Hammarbya | Orchidaceae | Orchid |
| Hebe | Plantaginaceae | Plantain |
| Hedera | Araliaceae | Ivy |
| Hedypnois | Asteraceae | Daisy & Dandelion |
| Helenium | Asteraceae | Daisy & Dandelion |
| Helianthemum | Cistaceae | Rock-Rose |
| Helianthus | Asteraceae | Daisy & Dandelion |
| Helichrysum | Asteraceae | Daisy & Dandelion |
| Helictotrichon ⇒ Amphibromus | Poaceae | Grasses |
| Heliopsis | Asteraceae | Daisy & Dandelion |
| Heliotropium | Boraginaceae | Borage |
| Helleborus | Ranunculaceae | Buttercup |
| Helminthotheca | Asteraceae | Daisy & Dandelion |
| Hemerocallis | Xanthorrhoeaceae | Asphodel |
| Hemizonia | Asteraceae | Daisy & Dandelion |
| Hepatica | Ranunculaceae | Buttercup |
| Heracleum | Apiaceae | Carrot |
| Herminium | Orchidaceae | Orchid |
| Hermodactylus | Iridaceae | Iris |
| Herniaria | Caryophyllaceae | Carnation & Campion (Pink) |
| Hesperis | Brassicaceae | Cabbage |
| Heuchera | Saxifragaceae | Saxifrage |
| Hibiscus | Malvaceae | Mallow |
| Hieracium | Asteraceae | Daisy & Dandelion |
| Hierochloe | Poaceae | Grasses |
| Himantoglossum | Orchidaceae | Orchid |
| Hippocrepis | Fabaceae | Pea |
| Hippophae | Elaeagnaceae | Sea Buckthorn |
| Hippuris | Plantaginaceae | Plantain |
| Hirschfeldia | Brassicaceae | Cabbage |
| Hoheria | Malvaceae | Mallow |
| Holcus | Poaceae | Grasses |
| Holodiscus | Rosaceae | Rose |
| Holosteum | Caryophyllaceae | Carnation & Campion (Pink) |
| Homeria | Iridaceae | Iris |
| Homogyne | Asteraceae | Daisy & Dandelion |
| Honckenya | Caryophyllaceae | Carnation & Campion (Pink) |
| Hordelymus | Poaceae | Grasses |
| Hordeum | Poaceae | Grasses |
| Hornungia | Brassicaceae | Cabbage |
| Hottonia | Primulaceae | Primrose |
| Houttuynia | Saururaceae | Chameleon |
| Humulus | Cannabaceae | Hemp |
| Huperzia | Huperziaceae | Fir Clubmoss |
| Hypopitys | Ericaceae | Heather |
| Hyacinthoides | Asparagaceae | Asparagus |
| Hyacinthus | Asparagaceae | Asparagus |
| Hydrangea | Hydrangeaceae | Hydrangea |
| Hydrilla | Hydrocharitaceae | Frogbit |
| Hydrocharis | Hydrocharitaceae | Frogbit |
| Hydrocotyle | Hydrocotylaceae | Pennywort |
| Hygrocybe | Hygrophoraceae | Waxgills [fungi] |
| Hygrophorus | Hygrophoraceae | Waxgills [fungi] |
| Hylocomium | Hylocomiaceae | Mosses |
| Hymenocarpus | Fabaceae | Pea |
| Hymenophyllum | Hymenophyllaceae | Filmy Ferns |
| Hypnum | Hypnaceae | Mosses |
| Hyoscyamus | Solanaceae | Nightshade |
| Hypecoum | Papaveraceae | Poppy |
| Hypericum | Hypericaceae | St John's Wort |
| Hypochaeris | Asteraceae | Daisy & Dandelion |
| Hyssopus | Lamiaceae | Mint / Dead-Nettle |
| Iberis | Brassicaceae | Cabbage |
| Ilex | Aquifoliaceae | Holly |
| Illecebrum | Caryophyllaceae | Carnation & Campion (Pink) |
| Impatiens | Balsaminaceae | Balsam |
| Imperatoria | Apiaceae | Carrot |
| Indora | Hypericaceae | St John's Wort |
| Inula | Asteraceae | Daisy & Dandelion |
| Iochroma | Solanaceae | Nightshade |
| Ipomoea | Convolvulaceae | Bindweed |
| Iris | Iridaceae | Iris |
| Isatis | Brassicaceae | Cabbage |
| Ismelia | Asteraceae | Daisy & Dandelion |
| Isoetes | Isoetaceae | Quillwort |
| Isolepis | Cyperaceae | Sedge Club- & Spike-Rush |
| Isothecium | Brachytheciaceae | Mosses |
| Isotoma | Campanulaceae | Bellflower |
| Iva | Asteraceae | Daisy & Dandelion |
| Ixia | Iridaceae | Iris |
| Jasione | Campanulaceae | Bellflower |
| Jasminum | Oleaceae | Olive |
| Jonopsidium ⇒ Cochlearia | Brassicaceae | Cabbage |
| Jovibarba | Crassulaceae | Stonecrop |
| Juglans | Juglandaceae | Walnut |
| Juncus | Juncaceae | Rushes |
| Juniperus | Cupressaceae | Cypress |
| Kalmia | Ericaceae | Heather |
| Kerria | Rosaceae | Rose |
| Kickxia | Plantaginaceae | Plantain |
| Knautia | Dipsacaceae | Teasel |
| Kniphofia | Xanthorrhoeaceae | Asphodel |
| Kobresia | Cyperaceae | Sedge Club- & Spike-Rush |
| Koeleria | Poaceae | Grasses |
| Koelreuteria | Sapindaceae | Maple |
| Koenigia | Polygonaceae | Dock & Knotweed |
| Kolkwitzia | Caprifoliaceae | Honeysuckle |
| Laburnum | Fabaceae | Pea |
| Lactarius | Russulaceae | Milkcap [fungi] |
| Lactuca | Asteraceae | Daisy & Dandelion |
| Laetiporus | Coriolaceae | Brackets [fungi] |
| Lagarosiphon | Hydrocharitaceae | Frogbit |
| Lagenaria | Cucurbitaceae | Marrow |
| Lagurus | Poaceae | Grasses |
| Lamarckia | Poaceae | Grasses |
| Lamiastrum | Lamiaceae | Mint / Dead-Nettle |
| Lamium | Lamiaceae | Mint / Dead-Nettle |
| Lampranthus | Aizoaceae | Mesembryanthemum |
| Lappula | Boraginaceae | Borage |
| Lapsana | Asteraceae | Daisy & Dandelion |
| Larix | Pinaceae | Pine |
| Laser | Apiaceae | Carrot |
| Laserpitium | Apiaceae | Carrot |
| Lathraea | Orobanchaceae | Broomrape |
| Lathyrus | Fabaceae | Pea |
| Laurus | Lauraceae | Bay |
| Lavandula | Lamiaceae | Mint / Dead-Nettle |
| Lavatera ⇒ Malva | Malvaceae | Mallow |
| Leccinum | Boletaceae | Bolete [fungi] |
| Ledum | Ericaceae | Heather |
| Leersia | Poaceae | Grasses |
| Legousia | Campanulaceae | Bellflower |
| Lemna | Araceae | Arum |
| Lens | Fabaceae | Pea |
| Leontodon | Asteraceae | Daisy & Dandelion |
| Leonurus | Lamiaceae | Mint / Dead-Nettle |
| Lepidium | Brassicaceae | Cabbage |
| Lepiota | Agaricaceae | Dapperling [fungi] |
| Leptochloa | Poaceae | Grasses |
| Leptospermum | Myrtaceae | Myrtle |
| Leucanthemella | Asteraceae | Daisy & Dandelion |
| Leucanthemum | Asteraceae | Daisy & Dandelion |
| Leucoagaricus | Agaricaceae | Dapperling [fungi] |
| Leucobryum | Leucobryaceae | Mosses |
| Leucojum | Alliaceae | Onion & Garlic |
| Leucothoe | Ericaceae | Heather |
| Levisticum | Apiaceae | Carrot |
| Leycesteria | Caprifoliaceae | Honeysuckle |
| Leymus | Poaceae | Grasses |
| Liatris | Asteraceae | Daisy & Dandelion |
| Libertia | Iridaceae | Iris |
| Ligularia | Asteraceae | Daisy & Dandelion |
| Ligusticum | Apiaceae | Carrot |
| Ligustrum | Oleaceae | Olive |
| Lilium | Liliaceae | Lily |
| Limnanthes | Limnanthaceae | Meadow-Foam |
| Limonium | Plumbaginaceae | Thrift |
| Limosella | Scrophulariaceae | Figwort |
| Linanthus | Polemoniaceae | Jacob's Ladder / Phlox |
| Linaria | Plantaginaceae | Plantain |
| Linnaea | Caprifoliaceae | Honeysuckle |
| Linum | Linaceae | Flax |
| Liparis | Orchidaceae | Orchid |
| Lippia | Verbenaceae | Verbena / Vervain |
| Liquidambar | Altingiaceae | Sweetgum |
| Liriodendron | Magnoliaceae | Tulip-Trees |
| Listera ⇒ Neottia | Poaceae | Grasses |
| Lithodora | Boraginaceae | Borage |
| Lithospermum | Boraginaceae | Borage |
| Littorella | Plantaginaceae | Plantain |
| Lloydia ⇒ Gagea | Liliaceae | Lily |
| Lobelia | Campanulaceae | Bellflower |
| Lobularia | Brassicaceae | Cabbage |
| Loiseleuria ⇒ Kalmia | Ericaceae | Heather |
| Lolium | Poaceae | Grasses |
| Lonicera | Caprifoliaceae | Honeysuckle |
| Lophocolea | Geocalycaceae | Liverworts |
| Lotus | Fabaceae | Pea |
| Ludwigia | Onagraceae | Willowherb |
| Luma | Myrtaceae | Myrtle |
| Lunaria | Brassicaceae | Cabbage |
| Lupinus | Fabaceae | Pea |
| Luronium | Alismataceae | Water-Plantain |
| Luzula | Juncaceae | Rushes |
| Lychnis ⇒ Silene | Caryophyllaceae | Carnation & Campion (Pink) |
| Lycium | Solanaceae | Nightshade |
| Lycoperdon | Lycoperdaceae | Puffballs, |
| Lycopersicon ⇒ Solanum | Solanaceae | Nightshade |
| Lycopodiella | Lycopodiaceae | Clubmoss & Quillwort |
| Lycopodium | Lycopodiaceae | Clubmoss & Quillwort |
| Lycopus | Lamiaceae | Mint / Dead-Nettle |
| Lysichiton | Araceae | Arum |
| Lysimachia | Myrsinaceae | Myrsine |
| Lythrum | Lythraceae | Loosestrife |
| Macleaya | Papaveraceae | Poppy |
| Macrolepiota | Agaricaceae | Parasol [fungi] |
| Madia | Asteraceae | Daisy & Dandelion |
| Magnolia | Magnoliaceae | Tulip-Trees |
| Mahonia | Berberidaceae | Barberry |
| Maianthemum | Asparagaceae | Asparagus |
| Malcolmia | Brassicaceae | Cabbage |
| Malope | Malvaceae | Mallow |
| Malus | Rosaceae | Rose |
| Malva | Malvaceae | Mallow |
| Mangifera | Anacardiaceae | Sumach / Cashew |
| Mantisalca | Asteraceae | Daisy & Dandelion |
| Marasmius | Marasmiaceae | Parachute [fungi] |
| Margyricarpus | Rosaceae | Rose |
| Marrubium | Lamiaceae | Mint / Dead-Nettle |
| Matricaria | Asteraceae | Daisy & Dandelion |
| Matteuccia | Onocleaceae | Ostrich & Sensitive Fern |
| Matthiola | Brassicaceae | Cabbage |
| Meconopsis | Papaveraceae | Poppy |
| Medicago | Fabaceae | Pea |
| Melampodium | Asteraceae | Daisy & Dandelion |
| Melampyrum | Orobanchaceae | Broomrape |
| Melanophyllum | Agaricaceae | Dapperling [fungi] |
| Melica | Poaceae | Grasses |
| Melilotus | Fabaceae | Pea |
| Melissa | Lamiaceae | Mint / Dead-Nettle |
| Melittis | Lamiaceae | Mint / Dead-Nettle |
| Mentha | Lamiaceae | Mint / Dead-Nettle |
| Menyanthes | Menyanthaceae | Bogbean |
| Mercurialis | Euphorbiaceae | Spurge |
| Mertensia | Boraginaceae | Borage |
| Mespilus | Rosaceae | Rose |
| Metasequoia | Cupressaceae | Cypress |
| Meum | Apiaceae | Carrot |
| Mibora | Poaceae | Grasses |
| Microthlaspi | Brassicaceae | Cabbage |
| Milium | Poaceae | Grasses |
| Mimulus | Phrymaceae | Monkeyflower |
| Minuartia | Caryophyllaceae | Carnation & Campion (Pink) |
| Mirabilis | Nyctaginaceae | Marvel-of-Peru |
| Miscanthus | Poaceae | Grasses |
| Misopates | Plantaginaceae | Plantain |
| Moehringia | Caryophyllaceae | Carnation & Campion (Pink) |
| Moenchia | Caryophyllaceae | Carnation & Campion (Pink) |
| Molinia | Poaceae | Grasses |
| Monarda | Lamiaceae | Mint / Dead-Nettle |
| Moneses | Ericaceae | Heather |
| Monolepis | Amaranthaceae | Goosefoot |
| Monotropa ⇒ Hypopitys | Ericaceae | Heather |
| Monsonia | Geraniaceae | Cranesbill (Geranium) |
| Montia | Montiaceae | Purslane |
| Moricandia | Brassicaceae | Cabbage |
| Morus | Moraceae | Mulberry |
| Muehlenbeckia | Polygonaceae | Dock & Knotweed |
| Muscari | Asparagaceae | Asparagus |
| Myagrum | Brassicaceae | Cabbage |
| Mycelis | Asteraceae | Daisy & Dandelion |
| Myosotis | Boraginaceae | Borage |
| Myosoton | Caryophyllaceae | Carnation & Campion (Pink) |
| Myosurus | Ranunculaceae | Buttercup |
| Myrica | Myricaceae | Bog-Myrtle |
| Myriophyllum | Haloragaceae | Water-Milfoil |
| Myrrhis | Apiaceae | Carrot |
| Myrsine | Myrsinaceae | Myrsine |
| Myrtus | Myrtaceae | Myrtle |
| Najas | Hydrocharitaceae | Frogbit |
| Narcissus | Alliaceae | Onion & Garlic |
| Nardus | Poaceae | Grasses |
| Narthecium | Nartheciaceae | Bog Asphodel |
| Nassella | Poaceae | Grasses |
| Nasturtium | Brassicaceae | Cabbage |
| Navarretia | Polemoniaceae | Jacob's Ladder / Phlox |
| Nectaroscordum | Alliaceae | Onion & Garlic |
| Nemesia | Scrophulariaceae | Figwort |
| Nemophila | Boraginaceae | Borage |
| Neotinea | Orchidaceae | Orchid |
| Neottia | Orchidaceae | Orchid |
| Nepeta | Lamiaceae | Mint / Dead-Nettle |
| Nerine | Alliaceae | Daffodil |
| Nertera | Rubiaceae | Bedstraw |
| Neslia | Brassicaceae | Cabbage |
| Nicandra | Solanaceae | Nightshade |
| Nicotiana | Solanaceae | Nightshade |
| Nigella | Ranunculaceae | Buttercup |
| Nitella | Characeae | Stonewort |
| Nitellopsis | Charophyceae | Starry Stonewort |
| Nolana | Solanaceae | Nightshade |
| Noccaea | Brassicaceae | Cabbage |
| Nonea | Boraginaceae | Borage |
| Nothofagus | Nothofagaceae | Beech Trees (some) |
| Nothoscordum | Alliaceae | Onion & Garlic |
| Nuphar | Nymphaeaceae | Water-Lily |
| Nymphaea | Nymphaeaceae | Water-Lily |
| Nymphoides | Menyanthaceae | Bogbean |
| Ochagavia | Bromeliaceae | Rhodostachys |
| Odontites | Orobanchaceae | Broomrape |
| Oemleria | Rosaceae | Rose |
| Oenanthe | Apiaceae | Carrot |
| Oenothera | Onagraceae | Willowherb |
| Olearia | Asteraceae | Daisy & Dandelion |
| Oligostemma | Hypericaceae | St John's Wort |
| Omphalodes | Boraginaceae | Borage |
| Oncosiphon | Asteraceae | Daisy & Dandelion |
| Onobrychis | Fabaceae | Pea |
| Onoclea | Onocleaceae | Ostrich & Sensitive Fern |
| Ononis | Fabaceae | Pea |
| Onopordum | Asteraceae | Daisy & Dandelion |
| Ophioglossum | Ophioglossaceae | Adder's-Tongue |
| Ophrys | Orchidaceae | Orchid |
| Orchis | Orchidaceae | Orchid |
| Oreopteris | Thelypteridaceae | Marsh & Beech Fern |
| Origanum | Lamiaceae | Mint / Dead-Nettle |
| Orlaya | Apiaceae | Carrot |
| Ornithogalum | Asparagaceae | Asparagus |
| Ornithopus | Fabaceae | Pea |
| Orobanche | Orobanchaceae | Broomrape |
| Orontium | Araceae | Arum |
| Orthilia | Ericaceae | Heather |
| Oryzopsis | Poaceae | Grasses |
| Oscularia | Aizoaceae | Mesembryanthemum |
| Osmanthus | Oleaceae | Olive |
| Osmunda | Osmundaceae | Royal Fern |
| Osteospermum | Asteraceae | Daisy & Dandelion |
| Ostrya | Betulaceae | Birch |
| Otanthus ⇒ Achillea | Asteraceae | Daisy & Dandelion |
| Oudemansiella | Marasmiaceae | Tricholoma Allies [fungi] |
| Oxalis | Oxalidaceae | Wood-Sorrel |
| Oxyria | Polygonaceae | Dock & Knotweed |
| Oxytropis | Fabaceae | Pea |
| Pachysandra | Buxaceae | Box |
| Pachyphragma | Brassicaceae | Cabbage |
| Paeonia | Paeoniaceae | Peony |
| Pancratium | Alliaceae | Onion & Garlic |
| Panicum | Poaceae | Grasses |
| Papaver | Papaveraceae | Poppy |
| Parahebe | Plantaginaceae | Plantain |
| Parapholis | Poaceae | Grasses |
| Paraserianthes | Fabaceae | Pea |
| Parentucellia | Orobanchaceae | Broomrape |
| Parietaria | Urticaceae | Nettle |
| Paris | Melanthiaceae | Herb Paris |
| Parnassia | Parnassiaceae | Grass-of-Parnassus |
| Paronychia | Caryophyllaceae | Carnation & Campion (Pink) |
| Parrotia | Hamamelidaceae | Witchalder |
| Parthenocissus | Vitaceae | Vine |
| Paspalum | Poaceae | Grasses |
| Passiflora | Passifloraceae | #223355 Passionflower |
| Pastinaca | Apiaceae | Carrot |
| Paulownia | Paulowniaceae | Foxglove Trees |
| Pedicularis | Orobanchaceae | Broomrape |
| Pedilanthus | Euphorbiaceae | Spurge |
| Pelargonium | Geraniaceae | Cranesbill (Geranium) |
| Pellia | Pelliaceae | Liverworts |
| Peltaria | Brassicaceae | Cabbage |
| Pennisetum | Poaceae | Grasses |
| Pentaglottis | Malvaceae | Mallow |
| Pericallis | Asteraceae | Daisy & Dandelion |
| Pernettya | Ericaceae | Heather |
| Persicaria | Polygonaceae | Dock & Knotweed |
| Petasites | Asteraceae | Daisy & Dandelion |
| Petrorhagia | Caryophyllaceae | Carnation & Campion (Pink) |
| Petroselinum | Apiaceae | Carrot |
| Petunia | Solanaceae | Nightshade |
| Peucedanum | Apiaceae | Carrot |
| Phacelia | Boraginaceae | Borage |
| Phalaris | Poaceae | Grasses |
| Phanerophlebia | Dryopteridaceae | Male & Buckler Ferns |
| Phaseolus | Fabaceae | Pea |
| Phegopteris | Thelypteridaceae | Marsh & Beech Fern |
| Philadelphus | Hydrangeaceae | Hydrangea |
| Phillyrea | Oleaceae | Olive |
| Phleum | Poaceae | Grasses |
| Phlomis | Lamiaceae | Mint / Dead-Nettle |
| Phlox | Polemoniaceae | Jacob's Ladder / Phlox |
| Phoenix | Arecaceae | Palm |
| Phormium | Xanthorrhoeaceae | Asphodel |
| Photinia ⇒ Stranvaesia | Rosaceae | Rose |
| Phragmites | Poaceae | Grasses |
| Phuopsis | Rubiaceae | Bedstraw |
| Phygelius | Scrophulariaceae | Figwort |
| Phyllitis ⇒ Asplenium | Aspleniaceae | Spleenwort |
| Phyllodoce | Ericaceae | Heather |
| Phyllostachys | Poaceae | Grasses |
| Phymatodes | Polypodiaceae | Polypody |
| Physalis | Solanaceae | Nightshade |
| Physocarpus | Rosaceae | Rose |
| Physochlaina | Solanaceae | Nightshade |
| Physospermum | Apiaceae | Carrot |
| Physostegia | Lamiaceae | Mint / Dead-Nettle |
| Phyteuma | Campanulaceae | Bellflower |
| Phytolacca | Phytolaccaceae | Pokeweed |
| Picea | Pinaceae | Pine |
| Picris | Asteraceae | Daisy & Dandelion |
| Pieris | Ericaceae | Heather |
| Pilosella | Asteraceae | Daisy & Dandelion |
| Pilularia | Marsileaceae | Pillwort |
| Pimpinella | Apiaceae | Carrot |
| Pinguicula | Lentibulariaceae | Bladderwort |
| Pinus | Pinaceae | Pine |
| Piptochaetium | Poaceae | Grasses |
| Pistia | Araceae | Arum |
| Pisum | Fabaceae | Pea |
| Pittosporum | Pittosporaceae | Karo |
| Plagiobothrys | Boraginaceae | Borage |
| Plagiomnium | Mniaceae | Mosses |
| Plagiothecium | Plagiotheciaceae | Mosses |
| Plantago | Plantaginaceae | Plantain |
| Platanthera | Orchidaceae | Orchid |
| Platanus | Platanaceae | Plane Tree |
| Platycladus | Cupressaceae | Cypress |
| Plecostachys | Asteraceae | Daisy & Dandelion |
| Pleioblastus | Poaceae | Grasses |
| Poa | Poaceae | Grasses |
| Polemonium | Polemoniaceae | Jacob's Ladder / Phlox |
| Polycarpon | Caryophyllaceae | Carnation & Campion (Pink) |
| Polygala | Polygalaceae | Milkwort |
| Polygonatum | Asparagaceae | Asparagus |
| Polygonum | Polygonaceae | Dock & Knotweed |
| Polypodium | Polypodiaceae | Polypody |
| Polypogon | Poaceae | Grasses |
| Polystichum | Dryopteridaceae | Male & Buckler Ferns |
| Polytrichum | Polytrichaceae | Mosses |
| Pontederia | Pontederiaceae | Pickerelweed |
| Populus | Salicaceae | Willow |
| Porphyrellus | Boletaceae | Bolete [fungi] |
| Portulaca | Portulacaceae | Purslane |
| Potamogeton | Potamogetonaceae | Pondweed |
| Potentilla | Rosaceae | Rose |
| Poterium | Rosaceae | Rose |
| Pratia | Campanulaceae | Bellflower |
| Prenanthes | Asteraceae | Daisy & Dandelion |
| Primula | Primulaceae | Primrose |
| Prunella | Lamiaceae | Mint / Dead-Nettle |
| Prunus | Rosaceae | Rose |
| Pseudoboletus | Boletaceae | Bolete [fungi] |
| Pseudofumaria | Papaveraceae | Poppy |
| Pseudorchis | Orchidaceae | Orchid |
| Pseudosasa | Poaceae | Grasses |
| Pseudotsuga | Pinaceae | Pine |
| Pseudoturritis | Brassicaceae | Cabbage |
| Psilurus | Poaceae | Grasses |
| Psoralea ⇒ Cullen | Fabaceae | Pea |
| Pteridium | Dennstaedtiaceae | Bracken |
| Pteris | Pteridaceae | Brake & Ribbon Ferns |
| Pterocarya | Juglandaceae | Walnut |
| Ptilia | Hypnaceae | Mosses |
| Puccinellia | Poaceae | Grasses |
| Pulicaria | Asteraceae | Daisy & Dandelion |
| Pulmonaria | Boraginaceae | Borage |
| Pulsatilla | Ranunculaceae | Buttercup |
| Pyracantha | Rosaceae | Rose |
| Pyrola | Ericaceae | Heather |
| PyruS | Rosaceae | Rose |
| Quercus | Fagaceae | Beech |
| Racomitrium | Grimmiaceae | Fringe-Mosses |
| Radiola | Linaceae | Flax |
| Ramonda | Gesneriaceae | Pyrenean-Violet |
| Ranunculus | Ranunculaceae | Buttercup |
| Raphanus | Brassicaceae | Cabbage |
| Raphiolepis | Rosaceae | Rose |
| Rapistrum | Brassicaceae | Cabbage |
| Reineckea | Asparagaceae | Asparagus |
| Reseda | Resedaceae | Mignonette |
| Rhagadiolus | Asteraceae | Daisy & Dandelion |
| Rhamnus | Rhamnaceae | Buckthorn |
| Rheum | Polygonaceae | Dock & Knotweed |
| Rhinanthus | Orobanchaceae | Broomrape |
| Rhizomnium | Mniaceae | Mosses |
| Rhodanthe | Asteraceae | Daisy & Dandelion |
| Rhodiola | Crassulaceae | Stonecrop |
| Rhododendron | Ericaceae | Heather |
| Rhus | Anacardiaceae | Sumach / Cashew |
| Rhynchospora | Cyperaceae | Sedge Club- & Spike-Rush |
| Rhytidiadelphus | Hylocomiaceae | Mosses |
| Ribes | Grossulariaceae | Current |
| Ricinus | Euphorbiaceae | Spurge |
| Ridolfia | Apiaceae | Carrot |
| Robinia | Fabaceae | Pea |
| Rodgersia | Saxifragaceae | Saxifrage |
| Roemeria | Papaveraceae | Poppy |
| Romneya | Papaveraceae | Poppy |
| Romulea | Iridaceae | Iris |
| Rorippa | Brassicaceae | Cabbage |
| Rosa | Rosaceae | Rose |
| Rosmarinus | Lamiaceae | Mint / Dead-Nettle |
| Rostraria | Poaceae | Grasses |
| Rubia | Rubiaceae | Bedstraw |
| Rubus | Rosaceae | Rose |
| Rudbeckia | Asteraceae | Daisy & Dandelion |
| Rumex | Polygonaceae | Dock & Knotweed |
| Ruppia | Ruppiaceae | Tasselweed |
| Ruschia | Aizoaceae | Mesembryanthemum |
| Ruscus | Asparagaceae | Asparagus |
| Russula | Russulaceae | Brittlegill [fungi] |
| Ruta | Rutaceae | Rue |
| Rytidosperma | Poaceae | Grasses |
| Sagina | Caryophyllaceae | Carnation & Campion (Pink) |
| Sagittaria | Alismataceae | Water-Plantain |
| Salicornia | Amaranthaceae | Goosefoot |
| Salix | Salicaceae | Willow |
| Salpichroa | Solanaceae | Nightshade |
| Salsola | Amaranthaceae | Goosefoot |
| Salvia | Lamiaceae | Mint / Dead-Nettle |
| Sambucus | Adoxaceae | Moschatel |
| Samolus | Theophrastiaceae | Brookweed |
| Sanguisorba | Rosaceae | Rose |
| Sanicula | Apiaceae | Carrot |
| Santolina | Asteraceae | Daisy & Dandelion |
| Sanvitalia | Asteraceae | Daisy & Dandelion |
| Saponaria | Caryophyllaceae | Carnation & Campion (Pink) |
| Sarcococca | Buxaceae | Box |
| Sarcocornia | Amaranthaceae | Goosefoot |
| Sarracenia | Sarraceniaceae | Pitcherplant |
| Sasa | Poaceae | Grasses |
| Sasaella | Poaceae | Grasses |
| Satureja | Lamiaceae | Mint / Dead-Nettle |
| Sauromatum | Araceae | Arum |
| Saussurea | Asteraceae | Daisy & Dandelion |
| Saxifraga | Saxifragaceae | Saxifrage |
| Scabiosa | Dipsacaceae | Teasel |
| Scandix | Apiaceae | Carrot |
| Schedonorus | Poaceae | Grasses |
| Scheuchzeria | Scheuchzeriaceae | Rannoch-Rush |
| Schismus | Poaceae | Grasses |
| Schizostylis | Iridaceae | Iris |
| Schkuhria | Asteraceae | Daisy & Dandelion |
| Schoenoplectus | Cyperaceae | Sedge Club- & Spike-Rush |
| Schoenus | Cyperaceae | Sedge Club- & Spike-Rush |
| Sciadopitys | Sciadopityaceae | Japanese Umbrella-Pine |
| Scilla | Asparagaceae | Asparagus |
| Scirpoides | Cyperaceae | Sedge Club- & Spike-Rush |
| Scirpus | Cyperaceae | Sedge Club- & Spike-Rush |
| Scleranthus | Caryophyllaceae | Carnation & Campion (Pink) |
| Scleria | Cyperaceae | Sedge Club- & Spike-Rush |
| Scleropodium | Hylocomiaceae | Mosses |
| Scolymus | Asteraceae | Daisy & Dandelion |
| Scopolia | Solanaceae | Nightshade |
| Scorpiurus | Fabaceae | Pea |
| Scorzonera | Asteraceae | Daisy & Dandelion |
| Scorzoneroides | Asteraceae | Daisy & Dandelion |
| Scrophularia | Scrophulariaceae | Figwort |
| Scutellaria | Lamiaceae | Mint / Dead-Nettle |
| Secale | Poaceae | Grasses |
| Securigera | Fabaceae | Pea |
| Sedum | Crassulaceae | Stonecrop |
| Selaginella | Selaginellaceae | Lesser Clubmosses |
| Selinum | Apiaceae | Carrot |
| Semiarundinaria | Poaceae | Grasses |
| Sempervivum | Crassulaceae | Stonecrop |
| Senecio | Asteraceae | Daisy & Dandelion |
| Senna | Fabaceae | Pea |
| Sequoia | Cupressaceae | Cypress |
| Sequoiadendron | Cupressaceae | Cypress |
| Serapias | Orchidaceae | Orchid |
| Seriphidium ⇒ Artemisia | Asteraceae | Daisy & Dandelion |
| Serratula | Asteraceae | Daisy & Dandelion |
| Sesamum | Pedaliaceae | Sesame |
| Sesbania | Fabaceae | Pea |
| Seseli | Apiaceae | Carrot |
| Sesleria | Poaceae | Grasses |
| Setaria | Poaceae | Grasses |
| Sherardia | Rubiaceae | Bedstraw |
| Sibbaldia | Rosaceae | Rose |
| Sibthorpia | Plantaginaceae | Plantain |
| Sicyos | Cucurbitaceae | Marrow |
| Sida | Malvaceae | Mallow |
| Sidalcea | Malvaceae | Mallow |
| Sideritis | Lamiaceae | Mint / Dead-Nettle |
| Sigesbeckia | Asteraceae | Daisy & Dandelion |
| Silaum | Apiaceae | Carrot |
| Silene | Caryophyllaceae | Carnation & Campion (Pink) |
| Silphium | Apiaceae | Carrot |
| Silybum | Asteraceae | Daisy & Dandelion |
| Simethis | Xanthorrhoeaceae | Asphodel |
| Sinacalia | Asteraceae | Daisy & Dandelion |
| Sinapis | Brassicaceae | Cabbage |
| Sison | Apiaceae | Carrot |
| Sisymbrium | Brassicaceae | Cabbage |
| Sisyrinchium | Iridaceae | Iris |
| Sium | Apiaceae | Carrot |
| Skimmia | Rutaceae | Rue |
| Smilax | Smilacaceae | Greenbriar |
| Smyrnium | Apiaceae | Carrot |
| Snowdenia | Poaceae | Grasses |
| Solanum | Solanaceae | Nightshade |
| Soleirolia | Urticaceae | Nettle |
| Solidago | Asteraceae | Daisy & Dandelion |
| Soliva | Asteraceae | Daisy & Dandelion |
| Sonchus | Asteraceae | Daisy & Dandelion |
| Sorbaria | Rosaceae | Rose |
| Sorbus | Rosaceae | Rose |
| Sorghum | Poaceae | Grasses |
| Spachium | Hypericaceae | St John's Wort |
| Sparaxis | Iridaceae | Iris |
| Sparganium | Typhaceae | Bulrush |
| Spartina | Poaceae | Grasses |
| Spartium | Fabaceae | Pea |
| Spergula | Caryophyllaceae | Carnation & Campion (Pink) |
| Spergularia | Caryophyllaceae | Carnation & Campion (Pink) |
| Sphagnum | Sphagnaceae | Mosses |
| Spilanthes | Asteraceae | Daisy & Dandelion |
| Spinacia | Amaranthaceae | Goosefoot |
| Spiraea | Rosaceae | Rose |
| Spiranthes | Orchidaceae | Orchid |
| Spirodela | Araceae | Arum |
| Sporobolus | Poaceae | Grasses |
| Squamanita | Agaricaceae | Powdercap [fungi] |
| Stachys | Lamiaceae | Mint / Dead-Nettle |
| Staphylea | Staphyleaceae | Bladdernut |
| Stellaria | Caryophyllaceae | Carnation & Campion (Pink) |
| Sternbergia | Alliaceae | Onion & Garlic |
| Stipa | Poaceae | Grasses |
| Stranvaesia | Rosaceae | Rose |
| Stratiotes | Hydrocharitaceae | Frogbit |
| Strobilomyces | Boletaceae | Bolete [fungi] |
| Styrax | Styracaceae | Styrax Trees |
| Suaeda | Amaranthaceae | Goosefoot |
| Subularia | Brassicaceae | Cabbage |
| Succisa | Dipsacaceae | Teasel |
| Sutera | Scrophulariaceae | Figwort |
| Symphoricarpos | Caprifoliaceae | Honeysuckle |
| Symphytum | Boraginaceae | Borage |
| Syringa | Oleaceae | Olive |
| Taeniatherum | Poaceae | Grasses |
| Taeniocarpium | Hypericaceae | St John's Wort |
| Tagetes | Asteraceae | Daisy & Dandelion |
| Tamarix | Tamaricaceae | Tamarisk |
| Tamus | Dioscoreaceae | Yam |
| Tanacetum | Asteraceae | Daisy & Dandelion |
| Taraxacum | Asteraceae | Daisy & Dandelion |
| Taxodium | Cupressaceae | Cypress |
| Taxus | Taxaceae | Yew |
| Teesdalia | Brassicaceae | Cabbage |
| Telekia | Asteraceae | Daisy & Dandelion |
| Tellima | Saxifragaceae | Saxifrage |
| Tephroseris | Asteraceae | Daisy & Dandelion |
| Tetragonia | Aizoaceae | Mesembryanthemum |
| Tetragonolobus | Fabaceae | Pea |
| Teucrium | Lamiaceae | Mint / Dead-Nettle |
| Thalictrum | Ranunculaceae | Buttercup |
| Thelypodium | Brassicaceae | Cabbage |
| Thelypteris | Thelypteridaceae | Marsh & Beech Fern |
| Thermopsis | Fabaceae | Pea |
| Thesium | Santalaceae | Bastard-toadflax |
| Thlaspi | Brassicaceae | Cabbage |
| Thuidium | Thuidiaceae | Mosses |
| Thuja | Cupressaceae | Cypress |
| Thujopsis | Cupressaceae | Cypress |
| Thymus | Lamiaceae | Mint / Dead-Nettle |
| Thyselium | Apiaceae | Carrot |
| Tiarella | Saxifragaceae | Saxifrage |
| Tilia | Malvaceae | Mallow |
| Tofieldia | Liliaceae | Lily |
| Tolmiea | Saxifragaceae | Saxifrage |
| Tolpis | Asteraceae | Daisy & Dandelion |
| Tolypella | Characeae | Stonewort |
| Tordylium | Apiaceae | Carrot |
| Torilis | Apiaceae | Carrot |
| Torreya | Cephalotaxaceae | Plum-yew |
| Trachelium | Campanulaceae | Bellflower |
| Trachycarpus | Arecaceae | Palm |
| Trachyspermum | Apiaceae | Carrot |
| Trachystemon | Boraginaceae | Borage |
| Tradescantia | Commelinaceae | Spiderwort |
| Tragopogon | Asteraceae | Daisy & Dandelion |
| Tragus | Poaceae | Grasses |
| Trichomanes | Hymenophyllaceae | Filmy Ferns |
| Trichophorum | Cyperaceae | Sedge Club- & Spike-Rush |
| Trientalis | Myrsinaceae | Myrsine |
| Trifolium | Fabaceae | Pea |
| Triglochin | Juncaginaceae | Arrow-Grass |
| Trigonella | Fabaceae | Pea |
| Trinia | Apiaceae | Carrot |
| Triplachne | Poaceae | Grasses |
| Tripleurospermum | Asteraceae | Daisy & Dandelion |
| Trisetum | Poaceae | Grasses |
| Tristagma | Alliaceae | Onion & Garlic |
| Triteleia | Alliaceae | Onion & Garlic |
| Triticum | Poaceae | Grasses |
| Trollius | Ranunculaceae | Buttercup |
| Tropaeolum | Tropaeolaceae | Nasturtium |
| Tuberaria | Cistaceae | Rock-Rose |
| Tulipa | Liliaceae | Lily |
| Turgenia | Apiaceae | Carrot |
| Turritis | Brassicaceae | Cabbage |
| Tussilago | Asteraceae | Daisy & Dandelion |
| Tylopilus | Boletaceae | Bolete [fungi] |
| Typha | Typhaceae | Bulrush |
| Ugni | Myrtaceae | Myrtle |
| Ulex | Fabaceae | Pea |
| Ulmus | Ulmaceae | Elm |
| Umbilicus | Crassulaceae | Stonecrop |
| Urochloa | Poaceae | Grasses |
| Urospermum | Asteraceae | Daisy & Dandelion |
| Urtica | Urticaceae | Nettle |
| Usnea | Parmeliaceae | Usnea [lichen] |
| Utricularia | Lentibulariaceae | Bladderwort |
| Vaccaria | Caryophyllaceae | Carnation & Campion (Pink) |
| Vaccinium | Ericaceae | Heather |
| Valeriana | Valerianaceae | Valerian |
| Valerianella | Valerianaceae | Valerian |
| Vallisneria | Hydrocharitaceae | Frogbit |
| Verbascum | Scrophulariaceae | Figwort |
| Verbena | Verbenaceae | Verbena / Vervain |
| Verbesina | Asteraceae | Daisy & Dandelion |
| Veronica | Plantaginaceae | Plantain |
| Vetrix | Salicaceae | Willow |
| Viburnum | Adoxaceae | Moschatel |
| Vicia | Fabaceae | Pea |
| Vigna | Fabaceae | Pea |
| Vinca | Apocynaceae | Periwinkle |
| Viola | Violaceae | Violet |
| Viscum | Santalaceae | Bastard-toadflax |
| Vitis | Vitaceae | Vine |
| Vittadinia | Asteraceae | Daisy & Dandelion |
| Vulpia | Poaceae | Grasses |
| Wahlenbergia | Campanulaceae | Bellflower |
| Watsonia | Iridaceae | Iris |
| Wisteria | Fabaceae | Pea |
| Wolffia | Araceae | Arum |
| Woodsia | Woodsiaceae | Lady-fern |
| Woodwardia | Blechnaceae | Hard-Fern |
| Xanthium | Asteraceae | Daisy & Dandelion |
| Xanthocyparis | Cupressaceae | Cypress |
| Xanthoria | Teloschistaceae | Xanthoria [lichen] |
| Xeranthemum | Asteraceae | Daisy & Dandelion |
| Xylaria | Xylariaceae | Candlesnuff [fungi] |
| Yucca | Asparagaceae | Asparagus |
| Yushania | Poaceae | Grasses |
| Zannichellia | Potamogetonaceae | Pondweed |
| Zantedeschia | Araceae | Arum |
| Zauschneria | Onagraceae | Willowherb |
| Zea | Poaceae | Grasses |
| Zelkova | Ulmaceae | Elm |
| Zenobia | Ericaceae | Heather |
| Zizania | Poaceae | Grasses |
| Ziziphora | Lamiaceae | Mint / Dead-Nettle |
| Zostera | Zosteraceae | Eelgrass |
