Full Species List

Species Name Common Name Family
Abies alba Mill. European Silver-fir PINACEAE
Abies grandis (Douglas ex D. Don) Lindl. Giant Fir PINACEAE
Abies procera Rehder Noble Fir PINACEAE
Acaena ovalifolia Ruiz & Pav. Two-spined Acaena ROSACEAE
Acanthus mollis L. Bear's-breech ACANTHACEAE
Acer campestre L. Field Maple ACERACEAE
Acer platanoides L. Norway Maple ACERACEAE
Acer pseudoplatanus L. Sycamore ACERACEAE
Achillea millefolium L. Yarrow ASTERACEAE
Achillea ptarmica flore pleno Sneezewort ASTERACEAE
Achillea ptarmica L. Sneezewort ASTERACEAE
Aconitum napellus L. Monk's-hood RANUNCULACEAE
Aegopodium podagraria L. Ground-elder APIACEAE
Aesculus hippocastanum L. Horse-chestnut HIPPOCASTANACEAE
Aethusa cynapium L. Fool's Parsley APIACEAE
Agapanthus praecox subsp. orientalis (F.M. Leight.) F.M. Leight. African Lily LILIACEAE
Agrimonia eupatoria L. Agrimony ROSACEAE
Agrimonia procera Wallr. Fragrant Agrimony ROSACEAE
Agrostemma githago L. Corncockle CARYOPHYLLACEAE
Agrostis canina L. Velvet Bent POACEAE
Agrostis capillaris L. Common Bent POACEAE
Agrostis gigantea Roth Black Bent POACEAE
Agrostis stolonifera L. Creeping Bent POACEAE
Agrostis vinealis Schreb. Brown Bent POACEAE
Aira caryophyllea L. Silver Hair-grass POACEAE
Aira praecox L. Early Hair-grass POACEAE
Ajuga reptans L. Bugle LAMIACEAE
Alcea rosea L. Hollyhock MALVACEAE
Alchemilla filicaulis subsp. vestita (Buser) M.E. Bradshaw Lady's-mantle ROSACEAE
Alchemilla mollis (Buser) Rothm. Lady's-mantle ROSACEAE
Alisma lanceolatum With. Narrow-leaved Water-plantain ALISMATACEAE
Alisma plantago-aquatica L. Water-plantain ALISMATACEAE
Alliaria petiolata (M. Bieb.) Cavara & Grande Garlic Mustard BRASSICACEAE
Allium ampeloprasum var. ampeloprasum L. Wild Leek LILIACEAE
Allium ampeloprasum var. babingtonii (Borrer) Syme Babington's Leek LILIACEAE
Allium paradoxum (M. Bieb.) Few-flowered Garlic LILIACEAE
Allium porrum L. Leek LILIACEAE
Allium schoenoprasum L. Chives LILIACEAE
Allium scorodoprasum L. Sand Leek LILIACEAE
Allium subhirsutum L. Hairy Garlic LILIACEAE
Allium triquetrum L. Three-cornered Garlic LILIACEAE
Allium ursinum L. Ramsons LILIACEAE
Allium vineale L. Wild Onion LILIACEAE
Allium vineale var. compactum (Thuill.) Boreau Wild Onion LILIACEAE
Allium vineale var. vineale Wild Onion LILIACEAE
Alnus cordata (Loisel.) Duby Italian Alder BETULACEAE
Alnus glutinosa (L.) Gaertn. Alder BETULACEAE
Alnus incana (L.) Moench Grey Alder BETULACEAE
Alnus rubra Bong. Red Alder BETULACEAE
Alopecurus aequalis Sobol. Orange Foxtail POACEAE
Alopecurus geniculatus L. Marsh Foxtail POACEAE
Alopecurus myosuroides Huds. Black-grass POACEAE
Alopecurus pratensis L. Meadow Foxtail POACEAE
Althaea officinalis L. Marsh-mallow MALVACEAE
Amaranthus retroflexus L. Common Amaranth AMARANTHACEAE
Ambrosia artemisiifolia L. Ragweed ASTERACEAE
Ammophila arenaria (L.) Link Marram POACEAE
Anacamptis pyramidalis (L.) Rich. Pyramidal Orchid ORCHIDACEAE
Anagallis arvensis subsp. foemina (Mill.) Schinz & Thell. Blue Pimpernel PRIMULACEAE
Anagallis arvensis subsp. arvensis L. Scarlet Pimpernel PRIMULACEAE
Anagallis tenella (L.) L. Bog Pimpernel PRIMULACEAE
Anchusa arvensis (L.) M. Bieb. Bugloss BORAGINACEAE
Anemanthele lessoniana (Steudel) Veldkamp New Zealand Wind-grass POACEAE
Anemone apennina L. Blue Anemone RANUNCULACEAE
Anemone nemorosa L. Wood Anemone RANUNCULACEAE
Anemone x hybrida Paxton (A. hupehensis (Lemoine) x A. vitifolia Buch.-Ham. ex DC.) Japanese Anemone RANUNCULACEAE
Anethum graveolens L. Dill APIACEAE
Angelica sylvestris L. Wild Angelica APIACEAE
Anisantha diandra (Roth) Tutin ex Tzvelev Great Brome POACEAE
Anisantha madritensis (L.) Nevski Compact Brome POACEAE
Anisantha sterilis (L.) Nevski Barren Brome POACEAE
Antennaria dioica (L.) Gaertn. Mountain Everlasting ASTERACEAE
Anthemis austriaca Jacq. Austrian Chamomile ASTERACEAE
Anthemis cotula L. Stinking Chamomile ASTERACEAE
Anthemis punctata subsp. cupaniana (Tod. Ex Nyman) R. Fern Sicilian Chamomile ASTERACEAE
Anthoxanthum odoratum L. Sweet Vernal-grass POACEAE
Anthriscus caucalis M. Bieb. Bur Chervil APIACEAE
Anthriscus sylvestris (L.) Hoffm. Cow Parsley APIACEAE
Anthyllis vulneraria L. Kidney Vetch FABACEAE
Anthyllis vulneraria subsp. lapponica (Hyl.) Jalas. Kidney Vetch FABACEAE
Anthyllis vulneraria subsp. vulneraria Kidney Vetch FABACEAE
Antirrhinum majus L. Snapdragon SCROPHULARIACEAE
Aphanes arvensis L. Parsley-piert ROSACEAE
Aphanes australis Rydb. Slender Parsley-piert ROSACEAE
Apium graveolens L. Wild Celery APIACEAE
Apium inundatum (L.) Rchb.f. Lesser Marshwort APIACEAE
Apium nodiflorum (L.) Lag. Fool's-water-cress APIACEAE
Aquilegia vulgaris L. Columbine RANUNCULACEAES
Arabidopsis thaliana (L.) Heynh. Thale Cress BRASSICACEAE
Arabis caucasica Willd. ex Schltdl. Garden Arabis BRASSICACEAE
Aralia elata (Miq.) Seem. Japanese Angelica-tree ARALIACEAE
Araucaria araucana (Molina) K. Koch Monkey-puzzle ARAUCARIACEAE
Arbutus unedo L. Strawberry-tree ERICACEAE
Arctium minus subsp. minus (Hill) Bernh Lesser Burdock ASTERACEAE
Arctium minus subsp. nemorosum Lej. Wood Burdock ASTERACEAE
Arenaria serpyllifolia L. Thyme-leaved Sandwort CARYOPHYLLACEAE
Arenaria serpyllifolia subsp. leptoclados (Rchb.) Nyman Slender Sandwort CARYOPHYLLACEAE
Arenaria serpyllifolia subsp. lloydii (Jordan) Bonnier Thyme-leaved Sandwort CARYOPHYLLACEAE
Arenaria serpyllifolia subsp. serpyllifolia L. Thyme-leaved Sandwort CARYOPHYLLACEAE
Armeria maritima subsp. maritima Willd. Thrift PLUMBAGINACEAE
Armoracia rusticana P. Gaertn., B. Mey. & Scherb. Horse-radish BRASSICACEAE
Arrhenatherum elatius subsp. bulbosum (Willd.) Hyl. Onion Couch POACEAE
Arrhenatherum elatius subsp. elatius (L.) P. Beauv. Ex J. & C. Presl False Oat-grass POACEAE
Artemisia absinthium L. Wormwood ASTERACEAE
Artemisia vulgaris L. Mugwort ASTERACEAE
Arum italicum subsp. italicum Mill. Italian Lords-and-Ladies ARACEAE
Arum maculatum L. Lords-and-Ladies ARACEAE
Asparagus officinalis subsp. officinalis L. Garden Asparagus LILIACEAE
Asparagus officinalis subsp. prostratus (Dumort.) Corb. Wild Asparagus LILIACEAE
Asperula cynanchica L. Squinancywort RUBIACEAE
Asplenium adiantum-nigrum L. Black Spleenwort ASPLENIACEAE
Asplenium marinum L. Sea Spleenwort ASPLENIACEAE
Asplenium onopteris L. Irish Spleenwort ASPLENIACEAE
Asplenium ruta-muraria L. Wall-rue ASPLENIACEAE
Asplenium trichomanes subsp. quadrivalens D.E. Mey. Maidenhair Spleenwort ASPLENIACEAE
Asplenium viride Huds. Green Spleenwort ASPLENIACEAE
Aster lanceolatus Willd. Narrow-leaved Michaelmas-daisy ASTERACEAE
Aster tripolium L. Sea Aster ASTERACEAE
Aster tripolium var. discoideus Rchb. Sea Aster ASTERACEAE
Aster x salignus Willd. (A. novi-belgii L. x A. lanceolatus) Common Michaelmas-daisy ASTERACEAE
Astilbe x arendsii Arends (A. chinensis (Maxim.) Franch. x A. japonica (C. Morren & Decne.) A. Gra Red False-buck's-beard SAXIFRAGACEAE
Athyrium filix-femina (L.) Roth Lady-fern WOODSIACEAE
Atriplex glabriuscula Edmondston Babington’s Orache CHENOPODIACEAE
Atriplex laciniata L. Frosted Orache CHENOPODIACEAE
Atriplex littoralis L. Grass-leaved Orache CHENOPODIACEAE
Atriplex longipes Drejer Long-stalked Orache CHENOPODIACEAE
Atriplex patula L. Common Orache CHENOPODIACEAE
Atriplex portulacoides L. Sea-purslane CHENOPODIACEAE
Atriplex prostrata Boucher ex DC. Spear-leaved Orache CHENOPODIACEAE
Atriplex x taschereaui Stace Taschereau's Orache CHENOPODIACEAE
Aubrieta deltoidea (L.) DC. Aubretia BRASSICACEAE
Aucuba japonica Thunb. Spotted-laurel CORNACEAE
Avena fatua L. Wild-oat POACEAE
Avena sativa L. Oat POACEAE
Avena strigosa Schreb. Bristle Oat POACEAE
Baldellia ranunculoides (L.) Parl. Lesser Water-plantain ALISMATACEAE
Ballota nigra L. Black Horehound LAMIACEAE
Barbarea intermedia Boreau Medium-flowered Winter-cress BRASSICACEAE
Barbarea verna (Mill.) Asch. American Winter-cress BRASSICACEAE
Barbarea vulgaris W.T. Aiton Winter-cress BRASSICACEAE
Begonia x tuberhybrida Voss BEGONIACEAE
Bellis perennis L. Daisy ASTERACEAE
Berberis darwinii Hook. Darwin's Barberry BERBERIDACEAE
Berberis thunbergii DC. Thunberg's Barberry BERBERIDACEAE
Bergenia crassifolia (L.) Fritsch Elephant-ears SAXIFRAGACEAE
Berula erecta (Huds.) Coville Lesser Water-parsnip APIACEAE
Beta vulgaris subsp. maritima (L.) Arcang. Sea Beet CHENOPODIACEAE
Beta vulgaris subsp. vulgaris Root Beet CHENOPODIACEAE
Betula pendula Roth Silver Birch BETULACEAE
Betula pubescens Ehrh. Downy Birch BETULACEAE
Bidens cernua L. Nodding Bur-marigold ASTERACEAE
Bidens ferulifolia (Jacq.) DC. Fern-leaved Beggarticks ASTERACEAE
Bidens tripartita L. Trifid Bur-marigold ASTERACEAE
Blackstonia perfoliata (L.) Huds. Yellow-wort GENTIANACEAE
Blechnum spicant (L.) Roth Hard-fern BLECHNACEAE
Bolboschoenus maritimus (L.) Palla Sea Club-rush CYPERACEAE
Borago officinalis L. Borage BORAGINACEAE
Botrychium lunaria (L.) Sw. Moonwort OPHIOGLOSSACEAE
Brachyglottis 'Sunshine' Shrub Ragwort ASTERACEAE
Brachypodium pinnatum (L.) P. Beauv. Heath False-brome POACEAE
Brachypodium sylvaticum (Huds.) P. Beauv. False-brome POACEAE
Brassica napus subsp. oleifera (DC.) Metzg. Oil-seed Rape BRASSICACEAE
Brassica nigra (L.) W.D.J. Koch Black Mustard BRASSICACEAE
Brassica rapa subsp. campestris (L.) A.R. Clapham Wild Turnip BRASSICACEAE
Briza maxima L. Greater Quaking-grass POACEAE
Briza media L. Quaking-grass POACEAE
Bromopsis ramosa (Huds.) Holub Hairy-brome POACEAE
Bromus commutatus Schrad. Meadow Brome POACEAE
Bromus hordeaceus subsp. hordeaceus L. Soft-brome POACEAE
Bromus lepidus Holmb. Slender Soft-brome POACEAE
Bromus racemosus L. Smooth Brome POACEAE
Bromus secalinus L. Rye Brome POACEAE
Bryonia dioica Jacq. White Bryony CUCURBITACEAE
Buddleja globosa Hope Orange-ball-tree BUDDLEJACEAE
Bunias orientalis L. Warty-cabbage BRASSICACEAE
Butomus umbellatus L. Flowering-rush BUTOMACEAE
Buxus sempervirens L. Box BUXACEAE
Cakile maritima Scop. Sea Rocket BRASSICACEAE
Calendula officinalis L. Pot Marigold ASTERACEAE
Callitriche brutia Petagna Pedunculate Water-starwort CALLITRICHACEAE
Callitriche hamulata Kütz. ex W.D.J. Koch Intermediate Water-starwort CALLITRICHACEAE
Callitriche obtusangula Le Gall Blunt-fruited Water-starwort CALLITRICHACEAE
Callitriche platycarpa Kütz. Various-leaved Water-starwort CALLITRICHACEAE
Callitriche stagnalis Scop. Common Water-starwort CALLITRICHACEAE
Calluna vulgaris (L.) Hull Heather ERICACEAE
Caltha palustris L. Marsh-marigold RANUNCULACEAE
Calystegia pulchra Brummitt & Heywood Hairy Bindweed CONVOLVULACEAE
Calystegia sepium subsp. sepium (L.) R. Br. Hedge Bindweed CONVOLVULACEAE
Calystegia silvatica (Kit.) Griseb. Large Bindweed CONVOLVULACEAE
Calystegia silvatica subsp. disjuncta Brummitt Large Bindweed CONVOLVULACEAE
Calystegia silvatica subsp. disjuncta var. zonata Beauverd Large Bindweed CONVOLVULACEAE
Calystegia silvatica subsp. silvatica Large Bindweed CONVOLVULACEAE
Calystegia soldanella (L.) R. Br. Sea Bindweed CONVOLVULACEAE
Calystegia x lucana (Ten.) G. Don CONVOLVULACEAE
Campanula medium L. Canterbury-bells CAMPANULACEAE
Campanula persicifolia L. Peach-leaved Bellflower CAMPANULACEAE
Campanula portenschlagiana Schult. Adria Bellflower CAMPANULACEAE
Campanula poscharskyana Degen Trailing Bellflower CAMPANULACEAE
Campanula rotundifolia L. Harebell CAMPANULACEAE
Capsella bursa-pastoris (L.) Medik. Shepherd's-purse BRASSICACEAE
Capsicum annuum L. Sweet Pepper SOLANACEAE
Cardamine corymbosa Hook. f. New Zealand Bitter-cress BRASSICACEAE
Cardamine flexuosa With. Wavy Bitter-cress BRASSICACEAE
Cardamine hirsuta L. Hairy Bitter-cress BRASSICACEAE
Cardamine pratensis 'Flore Pleno' Cuckooflower BRASSICACEAE
Cardamine pratensis L. Cuckooflower BRASSICACEAE
Carduus tenuiflorus Curtis Slender Thistle ASTERACEAE
Carex acuta L. Slender Tufted-sedge CYPERACEAE
Carex acutiformis Ehrh. Lesser Pond-sedge CYPERACEAE
Carex arenaria L. Sand Sedge CYPERACEAE
Carex bigelowii Torr. ex Schwein. Stiff Sedge CYPERACEAE
Carex binervis Sm. Green-ribbed Sedge CYPERACEAE
Carex buchananii Berggr. Silver-spiked Sedge CYPERACEAE
Carex caryophyllea Latourr. Spring-sedge CYPERACEAE
Carex diandra Schrank Lesser Tussock-sedge CYPERACEAE
Carex dioica L. Dioecious Sedge CYPERACEAE
Carex distans L. Distant Sedge CYPERACEAE
Carex disticha Huds. Brown Sedge CYPERACEAE
Carex divulsa subsp. divulsa Stokes Grey Sedge CYPERACEAE
Carex echinata Murray Star Sedge CYPERACEAE
Carex elata All. Tufted-sedge CYPERACEAE
Carex extensa Gooden. Long-bracted Sedge CYPERACEAE
Carex flacca Schreb. Glaucous Sedge CYPERACEAE
Carex hirta L. Hairy Sedge CYPERACEAE
Carex hostiana DC. Tawny Sedge CYPERACEAE
Carex laevigata Sm. Smooth-stalked Sedge CYPERACEAE
Carex muricata L. subsp. lamprocarpa Celak. Prickly Sedge CYPERACEAE
Carex nigra (L.) Reichard Common Sedge CYPERACEAE
Carex otrubae Podp. False Fox-sedge CYPERACEAE
Carex ovalis Gooden. Oval Sedge CYPERACEAE
Carex pallescens L. Pale Sedge CYPERACEAE
Carex panicea L. Carnation Sedge CYPERACEAE
Carex paniculata L. Greater Tussock-sedge CYPERACEAE
Carex pendula Huds. Pendulous Sedge CYPERACEAE
Carex pilulifera L. Pill Sedge CYPERACEAE
Carex pseudocyperus L. Cyperus Sedge CYPERACEAE
Carex pulicaris L. Flea Sedge CYPERACEAE
Carex punctata Gaudin Dotted Sedge CYPERACEAE
Carex remota L. Remote Sedge CYPERACEAE
Carex riparia Curtis Greater Pond-sedge CYPERACEAE
Carex rostrata Stokes Bottle Sedge CYPERACEAE
Carex strigosa Huds. Thin-spiked Wood-sedge CYPERACEAE
Carex sylvatica Huds. Wood-sedge CYPERACEAE
Carex vesicaria L. Bladder-sedge CYPERACEAE
Carex viridula subsp. brachyrrhyncha (Celak.) B. Schmid Long-stalked Yellow-sedge CYPERACEAE
Carex viridula subsp. oedocarpa (Andersson) B. Schmid Common Yellow-sedge CYPERACEAE
Carex viridula subsp. viridula Michx. Small-fruited Yellow-sedge CYPERACEAE
Carex x boenninghausiana Weihe CYPERACEAE
Carex x emmae L. CYPERACEAE
Carex x fulva Gooden. CYPERACEAE
Carex x pseudoaxillaris K. Richt. CYPERACEAE
Carlina vulgaris L. Carline Thistle ASTERACEAE
Carpinus betulus L. Hornbeam BETULACEAE
Carpobrotus edulis (L.) N.E. Br. Hottentot-fig AIZOACEAE
Carpobrotus edulis var. rubescens Druce Hottentot-fig AIZOACEAE
Carum carvi L. Caraway APIACEAE
Castanea sativa Mill. Sweet Chestnut FAGACEAE
Catabrosa aquatica (L.) P. Beauv. Whorl-grass POACEAE
Catapodium marinum (L.) C.E. Hubb. Sea Fern-grass POACEAE
Catapodium rigidum (L.) C.E. Hubb. Fern-grass POACEAE
Centaurea cyanus L. Cornflower ASTERACEAE
Centaurea montana L. Perennial Cornflower ASTERACEAE
Centaurea nigra L. Common Knapweed ASTERACEAE
Centaurea nigra var. alba Common Knapweed ASTERACEAE
Centaurea scabiosa L. Greater Knapweed ASTERACEAE
Centaurium erythraea Rafn Common Centaury GENTIANACEAE
Centaurium erythraea var. alba Common Centaury GENTIANACEAE
Centaurium pulchellum (Sw.) Druce Lesser Centaury GENTIANACEAE
Centranthus ruber (L.) DC. Red Valerian VALERIANACEAE
Cephalanthera longifolia (L.) Fritsch Narrow-leaved Helleborine ORCHIDACEAE
Cerastium diffusum Pers. Sea Mouse-ear CARYOPHYLLACEAE
Cerastium fontanum Baumg. Common Mouse-ear CARYOPHYLLACEAE
Cerastium fontanum subsp. holosteoides (Fr.) Salman, Ommering & de Voogd Common Mouse-ear CARYOPHYLLACEAE
Cerastium fontanum subsp. vulgare (Hartm.) Greuter & Burdet Common Mouse-ear CARYOPHYLLACEAE
Cerastium glomeratum Thuill. Sticky Mouse-ear CARYOPHYLLACEAE
Cerastium semidecandrum L. Little Mouse-ear CARYOPHYLLACEAE
Cerastium tomentosum L. Snow-in-summer CARYOPHYLLACEAE
Ceratocapnos claviculata (L.) Lidén Climbing Corydalis FUMARIACEAE
Ceratophyllum demersum L. Rigid Hornwort CERATOPHYLLACEAE
Ceterach officinarum var. crenatum Milde ASPLENIACEAE
Ceterach officinarum Willd. Rustyback ASPLENIACEAE
Chaenorhinum minus (L.) Lange Small Toadflax SCROPHULARIACEAE
Chaerophyllum temulum L. Rough Chervil APIACEAE
Chamaecyparis lawsoniana (A. Murray bis) Parl. Lawson's Cypress CUPRESSACEAE
Chamaecyparis nootkatensis (Lamb.) Spach Nootka Cypress CUPRESSACEAE
Chamaemelum nobile (L.) All. Chamomile ASTERACEAE
Chamerion angustifolium (L.) Holub Rosebay Willowherb ONAGRACEAE
Chelidonium majus L. Greater Celandine PAPAVERACEAE
Chenopodium album L. Fat-hen CHENOPODIACEAE
Chenopodium bonus-henricus L. Good-King-Henry CHENOPODIACEAE
Chenopodium ficifolium Sm. Fig-leaved Goosefoot CHENOPODIACEAE
Chenopodium rubrum L. Red Goosefoot CHENOPODIACEAE
Chenopodium vulvaria L. Stinking Goosefoot CHENOPODIACEAE
Chrysanthemum segetum L. Corn Marigold ASTERACEAE
Chrysosplenium oppositifolium L. Opposite-leaved Golden-saxifrage SAXIFRAGACEAE
Cicerbita macrophylla subsp. uralensis (Willd.) Wallr. Common Blue-sow-thistle ASTERACEAE
Cichorium intybus L. Chicory ASTERACEAE
Cichorium intybus subsp. intybus Chicory ASTERACEAE
Circaea lutetiana L. Enchanter's-nightshade ONAGRACEAE
Cirsium arvense (L.) Scop. Creeping Thistle ASTERACEAE
Cirsium dissectum (L.) Hill Meadow Thistle ASTERACEAE
Cirsium palustre (L.) Scop. Marsh Thistle ASTERACEAE
Cirsium palustre f. alba March Thistle ASTERACEAE
Cirsium vulgare (Savi) Ten Spear Thistle ASTERACEAE
Cirsium vulgare var. alba Druce Spear Thistle ASTERACEAE
Cladium mariscus (L.) Pohl Great Fen-sedge CYPERACEAE
Clematis vitalba L Traveller's-joy RANUNCULACEAE
Clinopodium ascendens (Jord.) Samp. Common Calamint LAMIACEAE
Clinopodium vulgare L. Wild Basil LAMIACEAE
Cochlearia anglica L. English Scurvygrass BRASSICACEAE
Cochlearia danica L. Danish Scurvygrass BRASSICACEAE
Cochlearia officinalis L. Common Scurvygrass BRASSICACEAE
Cochlearia officinalis x C. danica BRASSICACEAE
Cochlearia x hollandica Henrard BRASSICACEAE
Coeloglossum viride (L.) Hartm. Frog Orchid ORCHIDACEAE
Conium maculatum L. Hemlock APIACEAE
Conopodium majus (Gouan) Loret Pignut APIACEAE
Conringia orientalis (L.) Dumort. Hare's-ear Mustard BRASSICACEAE
Consolida ajacis (L.) Schur Larkspur RANUNCULACEAE
Convallaria majalis L. Lily-of-the-valley LILIACEAE
Convolvulus arvensis L. Field Bindweed CONVOLVULACEAE
Conyza bilbaoana J. Rémy Bilbao's Fleabane ASTERACEAE
Conyza canadensis (L.) Cronquist Canadian Fleabane ASTERACEAE
Conyza sumatrensis (Retz.) E. Walker Guernsey Fleabane ASTERACEAE
Cordyline australis (G. Forst.) Endl. Cabbage-palm AGAVACEAE
Coriandrum sativum L. Coriander APIACEAE
Cornus capitata Wall. ex Roxb. Bentham's Dogwood CORNACEAE
Cornus sanguinea L. Dogwood CORNACEAE
Cornus sericea L. Red-osier Dogwood CORNACEAE
Coronopus didymus (L.) Sm. Lesser Swine-cress BRASSICACEAE
Coronopus squamatus (Forssk.) Asch. Swine-cress BRASSICACEAE
Cortaderia selloana (Schult. & Schult. F.) Asch. & Graebn. Pampas-grass POACEAE
Corydalis ophiocarpa Hook. f. and Thomson FUMARIACEAE
Corylus avellana L. Hazel BETULACEAE
Cotoneaster atropurpureus Flinck & B. Hylmö Purple-flowered Cotoneaster ROSACEAE
Cotoneaster bullatus Bois Hollyberry Cotoneaster ROSACEAE
Cotoneaster dielsianus E. Pritz. ex Diels Diels' Cotoneaster ROSACEAE
Cotoneaster franchetii Bois Franchet's Cotoneaster ROSACEAE
Cotoneaster frigidus Wall. ex Lindl. Tree Cotoneaster ROSACEAE
Cotoneaster henryanus (C.K. Schneid.) Rehder & E.H. Wilson Henry's Cotoneaster ROSACEAE
Cotoneaster hjelmqvistii Flinck & B. Hylmö Hjelmqvist's Cotoneaster ROSACEAE
Cotoneaster horizontalis Decne. Wall Cotoneaster ROSACEAE
Cotoneaster integrifolius (Roxb.) G. Klotz Entire-leaved Cotoneaster ROSACEAE
Cotoneaster lacteus W.W. Sm. Late Cotoneaster ROSACEAE
Cotoneaster rehderi Pojark. Bullate Cotoneaster ROSACEAE
Cotoneaster salicifolius Franch. Willow-leaved Cotoneaster ROSACEAE
Cotoneaster simonsii Baker Himalayan Cotoneaster ROSACEAE
Cotoneaster sternianus (Turrill) Boom Stern's Cotoneaster ROSACEAE
Cotoneaster x suecicus G. Klotz (?C. dammeri C.K. Schneid. x C. conspicuus C. Marquand) Swedish Cotoneaster ROSACEAE
Crambe maritima L. Sea-kale BRASSICACEAE
Crataegus monogyna Jacq. Hawthorn ROSACEAE
Crepis biennis L. Rough Hawk's-beard ASTERACEAE
Crepis capillaris (L.) Wallr. Smooth Hawk's-beard ASTERACEAE
Crepis paludosa (L.) Moench Marsh Hawk's-beard ASTERACEAE
Crepis vesicaria subsp. taraxacifolia (Thuill.) Thell. ex Schinz & R. Keller Beaked Hawk's-beard ASTERACEAE
Crithmum maritimum L. Rock Samphire APIACEAE
Crocosmia paniculata (Klatt) Goldblatt Aunt-Eliza IRIDACEAE
Crocosmia pottsii (Macnab ex Baker) N.E. Br. Potts' Montbretia IRIDACEAE
Crocosmia x crocosmiiflora 'Emily McKenzie' IRIDACEAE
Crocosmia x crocosmiiflora (Lemoine) N.E. Br. (C. pottsii x C. aurea (Hook.) Planch.) Montbretia IRIDACEAE
Crocus vernus (L.) Hill subsp. vernus Spring Crocus IRIDACEAE
Crocus x stellaris Haw. (C. angustifolius Weston x C. flavus Weston) Yellow Crocus IRIDACEAE
Cucurbita maxima Duchesne ex Lam. Pumpkin CUCURBITACEAE
Cupressus macrocarpa Hartw. ex Gordon Monterey Cypress CUPRESSACEAE
Cuscuta epithymum (L.) L. Dodder CUSCUTACEAE
Cyclamen hederifolium Aiton Sowbread PRIMULACEAE
Cymbalaria muralis subsp. muralis P. Gaertn., B. Mey. & Scherb. Ivy-leaved Toadflax SCROPHULARIACEAE
Cymbalaria muralis subsp. muralis var. alba Druce SCROPHULARIACEAE
Cynara cardunculus var. cardunculus L. Cardoon ASTERACEAE
Cynoglossum officinale L. Hound's-tongue BORAGINACEAE
Cynosurus cristatus L. Crested Dog's-tail POACEAE
Cyperus eragrostis Lam. Pale Galingale CYPERACEAE
Cyperus longus L. Galingale CYPERACEAE
Cystopteris fragilis (L.) Bernh. Brittle Bladder-fern WOODSIACEAE
Cytisus scoparius subsp. scoparius (L.) Link Broom FABACEAE
Dactylis glomerata L. Cock's-foot POACEAE
Dactylorhiza fuchsii (Druce) Soó Common Spotted-orchid ORCHIDACEAE
Dactylorhiza fuchsii var. albiflora ORCHIDACEAE
Dactylorhiza incarnata (L.) Soó Early Marsh-orchid ORCHIDACEAE
Dactylorhiza incarnata subsp. incarnata Early Marsh-orchid ORCHIDACEAE
Dactylorhiza incarnata subsp. pulchella (Druce) Soó Early March-orchid ORCHIDACEAE
Dactylorhiza maculata (L.) Soó Heath Spotted-orchid ORCHIDACEAE
Dactylorhiza majalis subsp. occidentalis (Pugsley) P.D. Sell Western Marsh-orchid ORCHIDACEAE
Dactylorhiza purpurella (T. & T.A. Stephenson) Soó Northern Marsh-orchid ORCHIDACEAE
Dactylorhiza x carnea (E.G. Camus) Soó ORCHIDACEAE
Dactylorhiza x dinglensis (Wilmott) Soó ORCHIDACEAE
Dactylorhiza x venusta (T. & T.A. Stephenson) Soó ORCHIDACEAE
Dahlia x hortensis Guillaumot (D. pinnata Cav. x D. coccinia Cav.) Garden Dahlia ASTERACEAE
Danthonia decumbens (L.) DC. Heath-grass POACEAE
Datura stramonium L. Thorn-apple SOLANACEAE
Daucus carota subsp. carota L. Wild Carrot APIACEAE
Daucus carota subsp. gummifer (Syme) Hook. f. Sea Carrot APIACEAE
Daucus carota subsp. sativus (Hoffm.) Arcang. Carrot APIACEAE
Delairea odorata Lem. German-ivy ASTERACEAE
Deschampsia cespitosa subsp. cespitosa (L.) P. Beauv. Tufted Hair-grass POACEAE
Deschampsia flexuosa (L.) Trin. Wavy Hair-grass POACEAE
Descurainia sophia (L.) Webb ex Prantl Flixweed BRASSICACEAE
Digitalis purpurea L. Foxglove SCROPHULARIACEAE
Diplotaxis muralis (L.) DC. Annual Wall-rocket BRASSICACEAE
Dipsacus fullonum L. Wild Teasel DIPSACACEAE
Doronicum pardalianches L. Leopard's-bane ASTERACEAE
Dracunculus vulgaris Schott Dragon Arum ARACEAE
Drosera rotundifolia L. Round-leaved Sundew DROSERACEAE
Dryopteris aemula (Aiton) Kuntze Hay-scented Buckler-fern DRYOPTERIDACEAE
Dryopteris affinis (Lowe) Fraser-Jenk. Scaly Male-fern DRYOPTERIDACEAE
Dryopteris affinis subsp. affinis Scaly Male-fern DRYOPTERIDACEAE
Dryopteris affinis subsp. borreri (Newman) Fraser-Jenk. Scaly Male-fern DRYOPTERIDACEAE
Dryopteris carthusiana (Vill.) H.P. Fuchs Narrow Buckler-fern DRYOPTERIDACEAE
Dryopteris dilatata (Hoffm.) A. Gray Broad Buckler-fern DRYOPTERIDACEAE
Dryopteris filix-mas (l.) Schott Male-fern DRYOPTERIDACEAE
Duchesnea indica (Jacks.) Focke Yellow-flowered Strawberry ROSACEAE
Echinochloa crus-galli (L.) P. Beauv. Cockspur POACEAE
Echinochloa frumentacea Link White Millet POACEAE
Echium pininana Webb & Berthel. Giant Viper's-bugloss BORAGINACEAE
Echium plantagineum L. Purple Viper's-bugloss BORAGINACEAE
Echium vulgare L. Viper's-bugloss BORAGINACEAE
Elatine hexandra (Lapierre) DC. Six-stamened Waterwort ELATINACEAE
Eleocharis multicaulis (Sm.) Desv. Many-stalked Spike-rush CYPERACEAE
Eleocharis palustris subsp. vulgaris (L.) Roem. & Schult. Common Spike-rush CYPERACEAE
Eleocharis quinqueflora (Hartmann) O. Schwarz Few-flowered Spike-rush CYPERACEAE
Eleocharis uniglumis (Link) Schult. Slender Spike-rush CYPERACEAE
Eleogiton fluitans (L.) Link Floating Club-rush CYPERACEAE
Elodea canadensis Michx. Canadian Waterweed HYDROCHARITACEAE
Elytrigia atherica (Link) Kerguélen ex Carreras Mart. Sea Couch POACEAE
Elytrigia atherica var. setigera ined. POACEAE
Elytrigia juncea subsp. boreoatlantica (Simonet & Guin.) N. Hyl. Sand Couch POACEAE
Elytrigia repens (L.) Desv. ex Nevski Common Couch POACEAE
Elytrigia repens var. aristata (Döll) P.D. Sell Common Couch POACEAE
Elytrigia x acuta DC. POACEAE
Elytrigia x drucei Stace POACEAE
Elytrigia x laxa (Fr.) Kerguélen POACEAE
Empetrum nigrum subsp. nigrum L. Crowberry EMPETRACEAE
Epilobium brunnescens (Cockayne) P.H. Raven & Engelhorn New Zealand Willowherb ONAGRACEAE
Epilobium cilatum x E. obscurum ONAGRACEAE
Epilobium ciliatum Raf. American Willowherb ONAGRACEAE
Epilobium hirsutum L. Great Willowherb ONAGRACEAE
Epilobium montanum L. Broad-leaved Willowherb ONAGRACEAE
Epilobium obscurum Schreb. Short-fruited Willowherb ONAGRACEAE
Epilobium palustre L. Marsh Willowherb ONAGRACEAE
Epilobium parviflorum Schreb. Hoary Willowherb ONAGRACEAE
Epilobium pedunculare A. Cunn. Rockery Willowherb ONAGRACEAE
Epilobium roseum Schreb. Pale Willowherb ONAGRACEAE
Epilobium tetragonum L. Square-stalked Willowherb ONAGRACEAE
Epilobium x aggregatum Celak. ONAGRACEAE
Epilobium x dacicum Borbás ONAGRACEAE
Epilobium x floridulum Smejkal ONAGRACEAE
Epilobium x interjectum Smejkal ONAGRACEAE
Epilobium x limosum Schur ONAGRACEAE
Epilobium x schmidtianum Rostk. ONAGRACEAE
Epipactis helleborine (L.) Crantz Broad-leaved Helleborine ORCHIDACEAE
Epipactis palustris (L.) Crantz Marsh Helleborine ORCHIDACEAE
Equisetum arvense L. Field Horsetail EQUISETACEAE
Equisetum fluviatile L. Water Horsetail EQUISETACEAE
Equisetum hyemale L. Rough Horsetail EQUISETACEAE
Equisetum palustre L. Marsh Horsetail EQUISETACEAE
Equisetum sylvaticum L. Wood Horsetail EQUISETACEAE
Equisetum telmateia Ehrh. Great Horsetail EQUISETACEAE
Equisetum x litorale Kuhlew. ex Rupr. Shore Horsetail EQUISETACEAE
Erica cinerea L. Bell Heather ERICACEAE
Erica tetralix L. Cross-leaved Heath ERICACEAE
Erica vagans L. Cornish Heath ERICACEAE
Erigeron glaucus Ker Gawl. Seaside Daisy ASTERACEAE
Erigeron karvinskianus DC. Mexican Fleabane ASTERACEAE
Erinus alpinus L. Fairy Foxglove SCROPHULARIACEAE
Eriophorum angustifolium Honck. Common Cottongrass CYPERACEAE
Eriophorum vaginatum L. Hare's-tail Cottongrass CYPERACEAE
Erodium cicutarium (L.) L’Hér. Common Stork's-bill GERANIACEAE
Erodium maritimum (L.) L’Hér. Sea Stork's-bill GERANIACEAE
Erodium moschatum (L.) L’Hér. Musk Stork's-bill GERANIACEAE
Erophila glabrescens Jord. Glabrous Whitlowgrass BRASSICACEAE
Erophila verna (L.) DC Common Whitlowgrass BRASSICACEAE
Erophila verna agg. Whitlowgrass BRASSICACEAE
Erophila verna var. praecox (Steven) Diklic Whitlowgrass BRASSICACEAE
Erophila verna var. verna Whitlowgrass BRASSICACEAE
Erucastrum gallicum (Willd.) O.E. Schulz Hairy Rocket BRASSICACEAE
Eryngium campestre L. Field Eryngo APIACEAE
Eryngium maritimum L. Sea-holly APIACEAE
Erysimum cheiranthoides L. Treacle Mustard BRASSICACEAE
Erysimum cheiri (L.) Crantz Wallflower BRASSICACEAE
Escallonia macrantha Hook. & Arn. Escallonia GROSSULARIACEAE
Eschscholzia californica Cham. Californian Poppy PAPAVERACEAE
Euonymus europaeus L. Spindle CELASTRACEAE
Euonymus japonicus L. f. Evergreen Spindle CELASTRACEAE
Eupatorium cannabinum L. Hemp-agrimony ASTERACEAE
Euphorbia characias L. Mediterranean Spurge EUPHORBIACEAE
Euphorbia exigua L. Dwarf Spurge EUPHORBIACEAE
Euphorbia griffithii Hook. f. Griffith's Spurge EUPHORBIACEAE
Euphorbia helioscopia L. Sun Spurge EUPHORBIACEAE
Euphorbia hyberna L. Irish Spurge EUPHORBIACEAE
Euphorbia lathyris L. Caper Spurge EUPHORBIACEAE
Euphorbia mellifera Aiton Canary Spurge EUPHORBIACEAE
Euphorbia palustris L. Swamp Spurge EUPHORBIACEAE
Euphorbia paralias L. Sea Spurge EUPHORBIACEAE
Euphorbia peplis L. Purple Spurge EUPHORBIACEAE
Euphorbia peplus L. Petty Spurge EUPHORBIACEAE
Euphorbia portlandica L. Portland Spurge EUPHORBIACEAE
Euphrasia anglica Pugsley Glandular Eyebright SCROPHULARIACEAE
Euphrasia arctica Lange ex Rostrup subsp. borealis (F. Towns.) Yeo Arctic Eyebright SCROPHULARIACEAE
Euphrasia confusa Pugsley Eyebright SCROPHULARIACEAE
Euphrasia micrantha Rchb. Slender Heath Eyebright SCROPHULARIACEAE
Euphrasia nemorosa (Pers.) Wallr. Common Eyebright SCROPHULARIACEAE
Euphrasia officinalis L. agg. Eyebright SCROPHULARIACEAE
Euphrasia rostkoviana Hayne subsp. rostkoviana SCROPHULARIACEAE
Euphrasia tetraquetra (Bréb.) Arrond. Eyebright SCROPHULARIACEAE
Fagopyrum esculentum Moench Buckwheat POLYGONACEAE
Fagus sylvatica L. Beech FAGACEAE
Fagus sylvatica var. cuprea Copper Beech FAGACEAE
Fallopia baldschuanica (Regel) Holub Russian-vine POLYGONACEAE
Fallopia convolvulus (L.) Á. Löve Black-bindweed POLYGONACEAE
Fallopia japonica (Houtt.) Ronse Decr. Japanese Knotweed POLYGONACEAE
Fallopia sachalinensis (F. Schmidt ex Maxim.) Ronse Decr. Giant Knotweed POLYGONACEAE
Fallopia x bohemica (Chrtek & Chrtková) J.P. Bailey POLYGONACEAE
Festuca altissima All. Wood Fescue POACEAE
Festuca arundinacea Schreb. Tall Fescue POACEAE
Festuca gigantea (L.) Vill. Giant Fescue POACEAE
Festuca ovina L. agg. Sheep's-fescue POACEAE
Festuca ovina subsp. hirtula (Hack. ex Travis) M.J. Wilk. Sheep's-fescue POACEAE
Festuca pratensis Huds. Meadow Fescue POACEAE
Festuca rubra L. sens. lat. Red Fescue POACEAE
Festuca vivipara (L.) Sm. Viviparous Sheep's-fescue POACEAE
Ficus carica L. Fig MORACEAE
Filago vulgaris Lam. Common Cudweed ASTERACEAE
Filipendula ulmaria (L.) Maxim Meadowsweet ROSACEAE
Foeniculum vulgare Mill. Fennel APIACEAE
Forsythia suspensa (Thunb.) Vahl Golden-bell OLEACEAE
Forsythia x intermedia Zabel (F. suspensa x F. viridissima Lindl.) Forsythia OLEACEAE
Fragaria moschata (Duchesne) Duchesne Hautbois Strawberry ROSACEAE
Fragaria vesca L. Wild Strawberry ROSACEAE
Fragaria x ananassa (Duchesne) Duchesne Garden Strawberry ROSACEAE
Fraxinus excelsior L. Ash OLEACEAE
Fuchsia magellanica Lam. Fuchsia ONAGRACEAE
Fumaria bastardii Boreau Tall Ramping-fumitory FUMARIACEAE
Fumaria bastardii var. bastardii Tall Ramping-fumitory FUMARIACEAE
Fumaria bastardii var. hibernica (Pugsley ex Praeger) Pugsley Tall Ramping-fumitory FUMARIACEAE
Fumaria capreolata L. subsp. babingtonii (Pugsley) P.D. Sell White Ramping-fumitory FUMARIACEAE
Fumaria muralis Sond. ex W.D.J. Koch subsp. boraei (Jord.) Pugsley Ramping-fumitory FUMARIACEAE
Fumaria muralis subsp. boraei var. boraei Common Ramping-fumitory FUMARIACEAE
Fumaria muralis subsp. boraei var. brittanica Pugsl. Common Ramping-fumitory FUMARIACEAE
Fumaria muralis subsp. boraei var. major (Boreau) P.D. Sell Common Ramping-fumitory FUMARIACEAE
Fumaria officinalis L. Common Fumitory FUMARIACEAE
Fumaria officinalis subsp. officinalis Common Fumitory FUMARIACEAE
Fumaria officinalis subsp. wirtgenii (W.D.J. Koch) Arcang. Common Fumitory FUMARIACEAE
Fumaria purpurea Pugsley Purple Ramping-fumitory FUMARIACEAE
Galanthus elwesii Hook. F. Greater Snowdrop LILIACEAE
Galanthus nivalis L. Snowdrop LILIACEAE
Galanthus x valentinei Beck. (G. nivalis x G. plicatus M. Bieb.) LILIACEAE
Galeopsis bifida Boenn. Bifid Hemp-nettle LAMIACEAE
Galeopsis tetrahit L. sensu stricto Common Hemp-nettle LAMIACEAE
Galinsoga quadriradiata Ruiz & Pav. Shaggy-soldier ASTERACEAE
Galium aparine L. Cleavers RUBIACEAE
Galium boreale L. Northern Bedstraw RUBIACEAE
Galium mollugo L. Hedge Bedstraw RUBIACEAE
Galium odoratum (L.) Scop. Woodruff RUBIACEAE
Galium palustre L. subsp. palustre Common Marsh-bedstraw RUBIACEAE
Galium palustre subsp. elongatum (C. Presl) Arcang. Marsh-bedstraw RUBIACEAE
Galium saxatile L. Heath Bedstraw RUBIACEAE
Galium verum f. pallidiflorum Lady's Bedstraw RUBIACEAE
Galium verum L. Lady's Bedstraw RUBIACEAE
Gaultheria shallon Pursh Shallon ERICACEAE
Gazania rigens (L.) Gaertn. Treasureflower ASTERACEAE
Gentianella campestris (L.) Börner Field Gentian GENTIANACEAE
Geranium columbinum L. Long-stalked Crane's-bill GERANIACEAE
Geranium dissectum L. Cut-leaved Crane's-bill GERANIACEAE
Geranium endressii J. Gay French Crane's-bill GERANIACEAE
Geranium lucidum L. Shining Crane's-bill GERANIACEAE
Geranium macrorrhizum L. Rock Crane's-bill GERANIACEAE
Geranium molle L. Dove's-foot Crane's-bill GERANIACEAE
Geranium palmatum Cav. Canary Island Geranium GERANIACEAE
Geranium pratense L. Meadow Crane's-bill GERANIACEAE
Geranium purpureum Vill. Little-Robin GERANIACEAE
Geranium pusillum L. Small-flowered Crane's-bill GERANIACEAE
Geranium pyrenaicum Burm. f. Hedgerow Crane's-bill GERANIACEAE
Geranium robertianum 'Album' GERANIACEAE
Geranium robertianum L. Herb-Robert GERANIACEAE
Geranium rotundifolium L. Round-leaved Crane's-bill GERANIACEAE
Geranium versicolor L. Pencilled Crane's-bill GERANIACEAE
Geranium x magnificum Hyl. (G. ibericum Cav. x G. platypetalum Fisch. & C.A. Mey.) Purple Crane's-bill GERANIACEAE
Geranium x oxonianum Yeo Druce's Crane's-bill GERANIACEAE
Geum rivale L. Water Avens ROSACEAE
Geum urbanum L. Wood Avens ROSACEAE
Gladiolus communis subsp. byzantinus (Mill.) R.C.V. Douin. Eastern Gladiolus IRIDACEAE
Gladiolus x hortulanus L.H. Bailey Large-flowered Gladiolus IRIDACEAE
Glaucium flavum Crantz Yellow Horned-poppy PAPAVERACEAE
Glaux maritima L. Sea-milkwort PRIMULACEAE
Glechoma hederacea 'Variegata' LAMIACEAE
Glechoma hederacea L. Ground-ivy LAMIACEAE
Glyceria declinata Bréb. Small Sweet-grass POACEAE
Glyceria fluitans (L.) R. Br. Floating Sweet-grass POACEAE
Glyceria maxima (Hartm.) Holmb. Reed Sweet-grass POACEAE
Glyceria notata Chevall. Plicate Sweet-grass POACEAE
Gnaphalium luteoalbum L. Jersey Cudweed ASTERACEAE
Gnaphalium sylvaticum L. Heath Cudweed ASTERACEAE
Gnaphalium uliginosum L. Marsh Cudweed ASTERACEAE
Griselinia littoralis (Raoul) Raoul New Zealand Broadleaf CORNACEAE
Groenlandia densa (L.) Fourr. Opposite-leaved Pondweed POTAMOGETONACEAE
Guizotia abyssinica (L. f.) Cass. Niger ASTERACEAE
Gunnera tinctoria (Molina) Mirb. Giant-rhubarb GUNNERACEAE
Gymnadenia conopsea (L.) R. Br. Fragrant Orchid ORCHIDACEAE
Hebe barkeri (Cockayne) A. Wall Barker's Hebe SCROPHULARIACEAE
Hebe brachysiphon Summerh. Hooker's Hebe SCROPHULARIACEAE
Hebe dieffenbachii (Benth.) Cockayne & Allan Dieffenbach's Hebe SCROPHULARIACEAE
Hebe salicifolia (G. Forst.) Pennell Koromiko SCROPHULARIACEAE
Hebe x franciscana (Eastw.) Souster Hedge Veronica SCROPHULARIACEAE
Hebe x lewisii (J.B. Armstr.) A. Wall Lewis's Hebe SCROPHULARIACEAE
Hedera helix L. Ivy ARALIACEAE
Hedera helix subsp. helix Ivy ARALIACEAE
Hedera helix subsp. hibernica (G. Kirchn.) D.C. McClint. Atlantic Ivy ARALIACEAE
Helianthus petiolaris Nutt. Lesser Sunflower ASTERACEAE
Helictotrichon pubescens (Huds.) Pilg. Downy Oat-grass POACEAE
Helleborus foetidus L. Stinking Hellebore RANUNCULACEAE
Helleborus orientalis Lam. Lenten-rose RANUNCULACEAE
Helleborus viridis L. Green Hellebore RANUNCULACEAE
Hemerocallis fulva (L.) L. Orange Day-lily LILIACEAE
Heracleum mantegazzianum Sommier & Levier Giant Hogweed APIACEAE
Heracleum sphondylium subsp. sphondylium L. Hogweed APIACEAE
Heracleum sphondylium subsp. sphondylium var. angustifolium Huds. Hogweed APIACEAE
Hesperis matronalis L. Dame's-violet BRASSICACEAE
Hieracium agg. Hawkweeds ASTERACEAE
Hieracium anglicum Fr. English Hawkweed ASTERACEAE
Hieracium argenteum Fr. Killarney Hawkweed ASTERACEAE
Hieracium cerinthiforme F. Hanb. Clasping-leaved Hawkweed ASTERACEAE
Hieracium umbellatum L. subsp. umbellatum Umbellate Hawkweed ASTERACEAE
Hieracium umbellatum subsp. bichlorophyllum (Druce & Zahn) P. D. Sell & C. West Hawkweed ASTERACEAE
Hippophae rhamnoides L. Sea-buckthorn ELAEAGNACEAE
Hippuris vulgaris L. Mare's-tail HIPPURIDACEAE
Hirschfeldia incana (L.) Lagr.-Foss. Hoary Mustard BRASSICACEAE
Hoheria sexstylosa Col. Long-leaved Lacebark MALVACEAE
Holcus lanatus L. Yorkshire-fog POACEAE
Holcus mollis L. Creeping Soft-grass POACEAE
Honckenya peploides (L.) Ehrh. Sea Sandwort CARYOPHYLLACEAE
Hordeum distichon L. Two-rowed Barley POACEAE
Hordeum murinum subsp. murinum L. Wall Barley POACEAE
Hordeum secalinum Schreb. Meadow Barley POACEAE
Hordeum vulgare L. Six-rowed Barley POACEAE
Houttuynia cordata Thunb. Chameleon Plant SAURURACEAE
Humulus lupulus L. Hop CANNABACEAE
Huperzia selago (L.) Bernh. ex Schrank & Mart. Fir Clubmoss LYCOPODIACEAE
Hyacinthoides hispanica (Mill.) Rothm. Spanish Bluebell LILIACEAE
Hyacinthoides non-scripta (L.) Chouard ex Rothm. Bluebell LILIACEAE
Hyacinthoides x massartiana Geerinck Hybrid Bluebell LILIACEAE
Hydrangea macrophylla (Thunb.) Ser. Hydrangea HYDRANGEACEAE
Hydrangea sargentiana Rehder Sargent's Hydrangea HYDRANGEACEAE
Hydrocotyle vulgaris L. Marsh Pennywort APIACEAE
Hymenophyllum tunbrigense (L.) Sm. Tunbridge Filmy-fern HYMENOPHYLLACEAE
Hymenophyllum wilsonii Hook. Wilson's Filmy-fern HYMENOPHYLLACEAE
Hyoscyamus niger L. Henbane SOLANACEAE
Hypericum 'Hidcote' St John's-wort CLUSIACEAE
Hypericum androsaemum 'Mrs Gladis Brabazon' Tutsan CLUSIACEAE
Hypericum androsaemum L. Tutsan CLUSIACEAE
Hypericum calycinum L. Rose-of-Sharon CLUSIACEAE
Hypericum elodes L. Marsh St John's-wort CLUSIACEAE
Hypericum forrestii (Chitt.) N. Robson Forrest's Tutsan CLUSIACEAE
Hypericum hircinum L. Stinking Tutsan CLUSIACEAE
Hypericum humifusum L. Trailing St John's-wort CLUSIACEAE
Hypericum maculatum subsp. obtusiusculum Crantz Imperforate St John's-wort CLUSIACEAE
Hypericum olympicum L. Olympic St John's-wort CLUSIACEAE
Hypericum perforatum L. Perforate St John's-wort CLUSIACEAE
Hypericum pulchrum L. Slender St John's-wort CLUSIACEAE
Hypericum tetrapterum Fr. Square-stalked St John's-wort CLUSIACEAE
Hypericum x desetangsii Lamotte Des Etang's St John's-wort CLUSIACEAE
Hypochaeris radicata L. Cat's-ear ASTERACEAE
Iberis umbellata L. Garden Candytuft BRASSICACEAE
Ilex aquifolium L. Holly AQUIFOLIACEAE
Impatiens glandulifera Royle Indian Balsam BALSAMINACEAE
Impatiens sultanii Hook.f. Busy-Lizzie BALSAMINACEAE
Inula crithmoides L. Golden Samphire ASTERACEAE
Inula helenium l. Elecampane ASTERACEAE
Inula hookeri C.B. Clarke Hooker's Fleabane ASTERACEAE
Iris foetidissima L. Stinking Iris IRIDACEAE
Iris germanica L. Bearded Iris IRIDACEAE
Iris pseudacorus L. Yellow Iris IRIDACEAE
Isoetes lacustris L. Quillwort ISOETACEAE
Isolepis cernua (Vahl) Roem. & Schult. Slender Club-rush CYPERACEAE
Isolepis setacea (L.) R. Br. Bristle Club-rush CYPERACEAE
Jasione montana L. Sheep's-bit CAMPANULACEAE
Jasione montana var. latifolia Pugsl. Sheep's-bit CAMPANULACEAE
Jasminum nudiflorum Lindl. Winter Jasmine OLEACEAE
Jasminum officinale L. Summer Jasmine OLEACEAE
Juncus acutiflorus Ehrh. ex Hoffm. Sharp-flowered Rush JUNCACEAE
Juncus acutus L. Sharp Rush JUNCACEAE
Juncus ambiguus Guss. Frog Rush JUNCACEAE
Juncus articulatus L. Jointed Rush JUNCACEAE
Juncus bufonius L. Toad Rush JUNCACEAE
Juncus bulbosus L. Bulbous Rush JUNCACEAE
Juncus conglomeratus L. Compact Rush JUNCACEAE
Juncus conglomeratus var. subuliflorus (Drejer) Asch. & Graebn. Compact Rush JUNCACEAE
Juncus effusus L. Soft-rush JUNCACEAE
Juncus effusus var. subglomeratus DC. Soft-rush JUNCACEAE
Juncus foliosus Desf. Leafy Rush JUNCACEAE
Juncus gerardii Loisel. Saltmarsh Rush JUNCACEAE
Juncus inflexus L. Hard Rush JUNCACEAE
Juncus maritimus Lam. Sea Rush JUNCACEAE
Juncus squarrosus L. Heath Rush JUNCACEAE
Juncus subnodulosus Schrank Blunt-flowered Rush JUNCACEAE
Juncus tenuis Willd. Slender Rush JUNCACEAE
Juncus x diffusus Hoppe JUNCACEAE
Juncus x surrejanus Druce ex Stace & Lambinon JUNCACEAE
Kerria japonica (L.) DC. Kerria ROSACEAE
Kickxia elatine (l.) Dumort. Sharp-leaved Fluellen SCROPHULARIACEAE
Knautia arvensis (L.) Coult. Field Scabious DIPSACACEAE
Koeleria macrantha (Ledeb.) Schult. Crested Hair-grass POACEAE
Laburnum anagyroides Medik. Laburnum FABACEAE
Lactuca sativa L. Garden Lettuce ASTERACEAE
Lactuca serriola L. Prickly Lettuce ASTERACEAE
Lagarosiphon major (Ridl.) Moss Curly Waterweed HYDROCHARITACEAE
Lamiastrum galeobdolon subsp. argentatum (Smejkal) Stace Garden Yellow Archangel LAMIACEAE
Lamium album L. White Dead-nettle LAMIACEAE
Lamium amplexicaule L. Henbit Dead-nettle LAMIACEAE
Lamium confertum Fr. Northern Dead-nettle LAMIACEAE
Lamium hybridum Vill. Cut-leaved Dead-nettle LAMIACEAE
Lamium purpureum L. Red Dead-nettle LAMIACEAE
Lamium purpureum var. albiflorum Dum. LAMIACEAE
Lapsana communis L. subsp. communis Nipplewort ASTERACEAE
Larix decidua Mill. European Larch PINACEAE
Larix kaempferi (Lindl.) Carrière Japanese Larch PINACEAE
Larix x marschlinsii Coaz Hybrid Larch PINACEAE
Lathraea squamaria L. Toothwort OROBANCHACEAE
Lathyrus grandiflorus Sm. Two-flowered Everlasting-pea FABACEAE
Lathyrus japonicus Willd. Sea Pea FABACEAE
Lathyrus latifolius L. Broad-leaved Everlasting-pea FABACEAE
Lathyrus linifolius (Reichard) Bässler Bitter-vetch FABACEAE
Lathyrus pratensis L. Meadow Vetchling FABACEAE
Laurus nobilis L. Bay LAURACEAE
Lavandula x intermedia Loisel. Garden Lavender LAMIACEAE
Lavatera arborea L. Tree-mallow MALVACEAE
Lavatera x clementii Cheek (L. olbia auct. non L. x L. thuringiaca L.) Hybrid Tree-mallow MALVACEAE
Lemna gibba L. Fat Duckweed LEMNACEAE
Lemna minor L. Common Duckweed LEMNACEAE
Lemna minuta Kunth Least Duckweed LEMNACEAE
Lemna trisulca L. Ivy-leaved Duckweed LEMNACEAE
Leontodon autumnalis L. Autumn Hawkbit ASTERACEAE
Leontodon hispidus L. Rough Hawkbit ASTERACEAE
Leontodon saxatilis Lam. Lesser Hawkbit ASTERACEAE
Lepidium draba subsp. draba L. Hoary Cress BRASSICACEAE
Lepidium heterophyllum Benth. Smith's Pepperwort BRASSICACEAE
Lepidium latifolium L. Dittander BRASSICACEAE
Leucanthemum vulgare Lam. Oxeye Daisy ASTERACEAE
Leucanthemum x superbum (Bergmans ex J.W. Ingram) D.H. Kent Shasta Daisy ASTERACEAE
Leucojum aestivum subsp. aestivum L. Summer Snowflake LILIACEAE
Leucojum aestivum subsp. pulchellum (Salisb.) Briq. Summer Snowflake LILIACEAE
Leycesteria formosa Wall. Himalayan Honeysuckle CAPRIFOLIACEAE
Libertia formosa Graham Chilean-iris IRIDACEAE
Ligustrum ovalifolium Hassk. Garden Privet OLEACEAE
Ligustrum vulgare L. Wild Privet OLEACEAE
Lilium pyrenaicum Gouan Pyrenean Lily LILIACEAE
Limnanthes douglasii R. Br. Meadow-foam LIMNANTHACEAE
Limonium binervosum agg. Rock Sea-lavender PLUMBAGINACEAE
Limonium humile Mill. Lax-flowered Sea-lavender PLUMBAGINACEAE
Limonium procerum (C.E. Salmon) Ingr. Rock Sea-lavender PLUMBAGINACEAE
Linaria purpurea (L.) Mill. Purple Toadflax SCROPHULARIACEAE
Linaria vulgaris Mill. Common Toadflax SCROPHULARIACEAE
Linum bienne Mill. Pale Flax LINACEAE
Linum catharticum L. Fairy Flax LINACEAE
Linum usitatissimum L. Flax LINACEAE
Linum usitatissimum var. album Druce LINACEAE
Listera cordata (L.) R. Br. Lesser Twayblade ORCHIDACEAE
Listera ovata (L.) R. Br. Common Twayblade ORCHIDACEAE
Lithospermum arvense L. Field Gromwell BORAGINACEAE
Lithospermum officinale L. Common Gromwell BORAGINACEAE
Littorella uniflora (L.) Asch. Shoreweed PLANTAGINACEAE
Lobelia dortmanna L. Water Lobelia CAMPANULACEAE
Lobelia erinus L. Garden Lobelia CAMPANULACEAE
Lobularia maritima L. Sweet Alison BRASSICACEAE
Lolium multiflorum Lam. Italian Rye-grass POACEAE
Lolium perenne L. Perennial Rye-grass POACEAE
Lolium temulentum L. Darnel POACEAE
Lolium x boucheanum Kunth POACEAE
Lonicera japonica Thunb. ex Murray Japanese Honeysuckle CAPRIFOLIACEAE
Lonicera nitida E.H. Wilson Wilson's Honeysuckle CAPRIFOLIACEAE
Lonicera periclymenum L. Honeysuckle CAPRIFOLIACEAE
Lonicera pileata Oliv. Box-leaved Honeysuckle CAPRIFOLIACEAE
Lonicera xylosteum L. Fly Honeysuckle CAPRIFOLIACEAE
Lotus corniculatus L. Common Bird's-foot-trefoil FABACEAE
Lotus corniculatus var. sativus Chrtková Bird's-foot-trefoil FABACEAE
Lotus glaber Mill. Narrow-leaved Bird's-foot-trefoil FABACEAE
Lotus pedunculatus Cav. Greater Bird's-foot-trefoil FABACEAE
Lunaria annua L. Honesty BRASSICACEAE
Lupinus arboreus Sims Tree Lupin FABACEAE
Lupinus x regalis Bergmans (L. arboreus x L. polyphyllus Lindl.) Russell Lupin FABACEAE
Luzula campestris (L.) DC. Field Wood-rush JUNCACEAE
Luzula multiflora (Ehrh.) Lej. Heath Wood-rush JUNCACEAE
Luzula multiflora subsp. congesta (Thuill.) Arcang. Heath Wood-rush JUNCACEAE
Luzula multiflora subsp. hibernica Kirschner & T.C.G. Rich Irish-heath Wood-rush JUNCACEAE
Luzula multiflora subsp. multiflora JUNCACEAE
Luzula pilosa (L.) Willd. Hairy Wood-rush JUNCACEAE
Luzula sylvatica (Huds.) Gaudin Great Wood-rush JUNCACEAE
Lychnis coronaria (L.) Murray Rose Campion CARYOPHYLLACEAE
Lychnis flos-cuculi L. Ragged-Robin CARYOPHYLLACEAE
Lychnis flos-cuculi var. albiflora Ragged-robin CARYOPHYLLACEAE
Lycium agg. Teaplant SOLANACEAE
Lycium barbarum L. Duke of Argyll's Teaplant SOLANACEAE
Lycium chinense Mill. Chinese Teaplant SOLANACEAE
Lycopersicon esculentum Mill. Tomato SOLANACEAE
Lycopodium clavatum L. Stag's-horn Clubmoss LYCOPODIACEAE
Lycopus europaeus L. Gypsywort LAMIACEAE
Lysichiton americanus Hultén & H. St. John American Skunk-cabbage ARACEAE
Lysimachia ciliata L. 'Firecracker' Fringed Loosestrife PRIMULACEAE
Lysimachia nemorum L. Yellow Pimpernel PRIMULACEAE
Lysimachia nummularia L. Creeping-Jenny PRIMULACEAE
Lysimachia punctata L. Dotted Loosestrife PRIMULACEAE
Lysimachia vulgaris L. Yellow Loosestrife PRIMULACEAE
Lythrum portula (L.) D.A. Webb Water-purslane LYTHRACEAE
Lythrum salicaria L. Purple-loosestrife LYTHRACEAE
Mahonia aquifolium (Push) Nutt. Oregon-grape BERBERIDACEAE
Mahonia lomariifolia Takeda Chinese Hollygrape BERBERIDACEAE
Malcolmia maritima (L.) W.T. Aiton Virginia Stock BRASSICACEAE
Malus domestica Borkh. Apple ROSACEAE
Malus sylvestris (L.) Mill. Crab Apple ROSACEAE
Malva moschata 'Alba' Musk-mallow MALVACEAE
Malva moschata L. Musk-mallow MALVACEAE
Malva pusilla Sm. Small Mallow MALVACEAE
Malva sylvestris 'Windsor Castle' Woods Mallow MALVACEAE
Malva sylvestris L. Common Mallow MALVACEAE
Marrubium vulgare L. White Horehound LAMIACEAE
Matricaria discoidea DC. Pineappleweed ASTERACEAE
Matricaria recutita L. Scented Mayweed ASTERACEAE
Matthiola longipetala (Vent.) DC. Night-scented Stock BRASSICACEAE
Meconopsis cambrica (L.) Vig. Welsh Poppy PAPAVERACEAE
Medicago arabica (L.) Huds. Spotted Medick FABACEAE
Medicago lupulina L. Black Medick FABACEAE
Medicago sativa subsp. sativa L. Lucerne FABACEAE
Medicago sativa subsp. varia Arcang. Sand Lucerne FABACEAE
Melampyrum pratense L. subsp. pratense Common Cow-wheat SCROPHULARIACEAE
Melica uniflora Retz. Wood Melick POACEAE
Melilotus albus Thuill. White Melilot FABACEAE
Melilotus indicus (L.) All. Small Melilot FABACEAE
Melissa officinalis L. Balm LAMIACEAE
Mentha aquatica L. Water Mint LAMIACEAE
Mentha arvensis L. Corn Mint LAMIACEAE
Mentha requienii Benth. Corsican Mint LAMIACEAE
Mentha spicata L. Spear Mint LAMIACEAE
Mentha suaveolens 'Variegata' Round-leaved Mint LAMIACEAE
Mentha suaveolens Ehrh. Round-leaved Mint LAMIACEAE
Mentha x gracilis Sole Bushy Mint LAMIACEAE
Mentha x piperita L. Peppermint LAMIACEAE
Mentha x piperita var. citrata (Ehrh.) Briq. Eau de Cologne Mint LAMIACEAE
Mentha x verticillata L. Whorled Mint LAMIACEAE
Mentha x villosa Huds. Apple-mint LAMIACEAE
Menyanthes trifoliata L. Bogbean MENYANTHACEAE
Mercurialis annua L. Annual Mercury EUPHORBIACEAE
Milium effusum L. Wood Millet POACEAE
Mimulus guttatus DC. Monkeyflower SCROPHULARIACEAE
Mimulus moschatus Douglas ex Lindl. Musk SCROPHULARIACEAE
Mimulus x hybridus Siebert & Voss (M. cupreus Dombrain x M. smithii Paxton) SCROPHULARIACEAE
Minuartia hybrida (Vill.) Schischk. Fine-leaved Sandwort CARYOPHYLLACEAE
Minuartia recurva (All.) Schinz & Thell. Recurved Sandwort CARYOPHYLLACEAE
Misopates orontium (L.) Raf. Weasel's-snout SCROPHULARIACEAE
Moehringia trinervia (L.) Clairv. Three-nerved Sandwort CARYOPHYLLACEAE
Molinia caerulea (L.) Moench Purple Moor-grass POACEAE
Montia fontana L. Blinks PORTULACACEAE
Montia fontana subsp. amporitana Sennen Blinks PORTULACACEAE
Montia fontana subsp. chondrosperma (Fenzl) Walters Blinks PORTULACACEAE
Montia fontana subsp. fontana L. Blinks PORTULACACEAE
Montia fontana subsp. variabilis Walters Blinks PORTULACACEAE
Muehlenbeckia complexa (A. Cunn.) Meisn. Wireplant POLYGONACEAE
Muscari armeniacum Leichtlin ex Baker Garden Grape-hyacinth LILIACEAE
Mycelis muralis (L.) Dumort. Wall Lettuce ASTERACEAE
Myosotis arvensis (L.) Hill Field Forget-me-not BORAGINACEAE
Myosotis discolor Pers. Changing Forget-me-not BORAGINACEAE
Myosotis laxa Lehm. Tufted Forget-me-not BORAGINACEAE
Myosotis ramosissima Rochel Early Forget-me-not BORAGINACEAE
Myosotis scorpioides L. Water Forget-me-not BORAGINACEAE
Myosotis secunda Al. Murray Creeping Forget-me-not BORAGINACEAE
Myosotis sylvatica Hoffm. Wood Forget-me-not BORAGINACEAE
Myrica gale L. Bog-myrtle MYRICACEAE
Myriophyllum alterniflorum DC. Alternate Water-milfoil HALORAGACEAE
Myriophyllum aquaticum (Vell.) Verdc. Parrot's-feather HALORAGACEAE
Myriophyllum spicatum L. Spiked Water-milfoil HALORAGACEAE
Myriophyllum verticillatum L. Whorled Water-milfoil HALORAGACEAE
Narcissus 'Cheerfulness' LILIACEAE
Narcissus 'Ice Follies' LILIACEAE
Narcissus 'Jack Snipe' LILIACEAE
Narcissus 'Tahiti' LILIACEAE
Narcissus 'Telamonius Plenus' LILIACEAE
Narcissus agg. Daffodils LILIACEAE
Narcissus poeticus L. Pheasant's-eye Daffodil LILIACEAE
Narcissus pseudonarcissus L. subsp. pseudonarcissus Daffodil LILIACEAE
Narcissus pseudonarcissus subsp. major (Curtis) Baker Spanish Daffodil LILIACEAE
Narcissus tazetta Bunch-flowered Daffodil LILIACEAE
Narcissus x incomparabilis Mill. (N. poeticus x N. pseudonarcissus) Nonesuch Daffodil LILIACEAE
Narcissus x medioluteus Mill. (N. tazetta x N. poeticus) Primrose-peerless LILIACEAE
Narcissus ‘Tête-à-Tête’ LILIACEAE
Nardus stricta L. Mat-grass POACEAE
Narthecium ossifragum (L.) Huds. Bog Asphodel LILIACEAE
Neottia nidus-avis (L.) Rich. Bird's-nest Orchid ORCHIDACEAE
Nepeta cataria L. Cat-mint LAMIACEAE
Nepeta x faassenii Bergmans ex Stearn Garden Cat-mint LAMIACEAE
Nerine bowdenii W. Watson LILIACEAE
Nigella damascena L. Love-in-a-mist RANUNCULACEAE
Nothofagus alpina (Poepp. & Endl.) Oerst. Rauli FAGACEAE
Nuphar lutea (L.) Sm. Yellow Water-lily NYMPHAEACEAE
Nymphaea alba L. White Water-lily NYMPHAEACEAE
Odontites vernus (Bellardi) Dumort. Red Bartsia SCROPHULARIACEAE
Odontites vernus subsp. serotinus (Syme) Corb. Red Bartsia SCROPHULARIACEAE
Oenanthe aquatica (L.) Poir. Fine-leaved Water-dropwort APIACEAE
Oenanthe crocata L. Hemlock Water-dropwort APIACEAE
Oenanthe fistulosa L. Tubular Water-dropwort APIACEAE
Oenanthe fluviatilis (Bab.) Coleman River Water-dropwort APIACEAE
Oenanthe lachenalii C.C. Gmel. Parsley Water-dropwort APIACEAE
Oenothera biennis L. Common Evening-primrose ONAGRACEAE
Oenothera cambrica Rostanski Small-flowered Evening-primrose ONAGRACEAE
Oenothera glazioviana P. Micheli ex Mart. Large-flowered Evening-primrose ONAGRACEAE
Oenothera x britannica Rostanski ONAGRACEAE
Oenothera x fallax Renner Intermediate Evening-primrose ONAGRACEAE
Oenothera x fallax x O. cambrica ONAGRACEAE
Olearia macrodonta Baker New Zealand Holly ASTERACEAE
Olearia paniculata (J.R. & G. Forst.) Druce Akiraho ASTERACEAE
Olearia traversii (F. Muell.) Hook. f. Ake-ake ASTERACEAE
Ononis repens L. Common Restharrow FABACEAE
Ononis repens var. horrida Lange Restharrow FABACEAE
Ononis spinosa L. Spiny Restharrow FABACEAE
Ophioglossum azoricum C. Presl Small Adder's-tongue OPHIOGLOSSACEAE
Ophioglossum vulgatum L. Adder's-tongue OPHIOGLOSSACEAE
Ophrys apifera Huds. Bee Orchid ORCHIDACEAE
Ophrys apifera var. chlorantha Godfery Bee Orchid ORCHIDACEAE
Orchis mascula (L.) L. Early-purple Orchid ORCHIDACEAE
Orchis morio L. Green-winged Orchid ORCHIDACEAE
Oreopteris limbosperma (Bellardi ex All.) Holub Lemon-scented Fern THELYPTERIDACEAE
Origanum vulgare L. Wild Marjoram LAMIACEAE
Origanum vulgare var. albiflorum Lej. Wild Marjoram LAMIACEAE
Ornithogalum angustifolium Boreau Star-of-Bethlehem LILIACEAE
Ornithopus perpusillus L. Bird's-foot FABACEAE
Orobanche hederae Duby Ivy Broomrape OROBANCHACEAE
Orobanche hederae f. monochroma G. Beck Ivy Broomrape OROBANCHACEAE
Orobanche minor Sm. Common Broomrape OROBANCHACEAE
Orobanche rapum-genistae Thuill. Greater Broomrape OROBANCHACEAE
Osmunda regalis L. Royal Fern OSMUNDACEAE
Otanthus maritimus (L.) Hoffmanns. & Link Cottonweed ASTERACEAE
Oxalis acetosella L. Wood-sorrel OXALIDACEAE
Oxalis acetosella var. rosea Peterm. Wood-sorrel OXALIDACEAE
Oxalis articulata Savigny Pink-sorrel OXALIDACEAE
Oxalis corniculata L. Procumbent Yellow-sorrel OXALIDACEAE
Oxalis corniculata var. atropurpurea Planch. Procumbent Yellow-sorrel OXALIDACEAE
Oxalis debilis Kunth Large-flowered Pink-sorrel OXALIDACEAE
Oxalis exilis A. Cunn. Least Yellow-sorrel OXALIDACEAE
Oxalis incarnata L. Pale Pink-sorrel OXALIDACEAE
Oxalis latifolia Kunth Garden Pink-sorrel OXALIDACEAE
Oxalis stricta L. Upright Yellow-sorrel OXALIDACEAE
Oxalis stricta var. rufa (Small) Farwell Upright Yellow-sorrel OXALIDACEAE
Paeonia officinalis L. Garden Peony PAEONIACEAE
Panicum miliaceum L. Common Millet POACEAE
Papaver argemone L. Prickly Poppy PAPAVERACEAE
Papaver dubium L. subsp. dubium Long-headed Poppy PAPAVERACEAE
Papaver dubium subsp. lecoqii (Lamotte) Syme Yellow-juiced Poppy PAPAVERACEAE
Papaver rhoeas L. Common Poppy PAPAVERACEAE
Papaver somniferum L. subsp. somniferum Opium Poppy PAPAVERACEAE
Parapholis strigosa (Dumort.) C.E. Hubb. Hard-grass POACEAE
Parentucellia viscosa (L.) Caruel Yellow Bartsia SCROPHULARIACEAE
Parietaria judaica L. Pellitory-of-the-wall URTICACEAE
Parnassia palustris L. Grass-of-Parnassus SAXIFRAGACEAE
Parthenocissus quinquefolia (L.) Planch. Virginia-creeper VITACEAE
Pastinaca sativa L. Wild Parsnip APIACEAE
Pedicularis palustris L. Marsh Lousewort SCROPHULARIACEAE
Pedicularis sylvatica L. Lousewort SCROPHULARIACEAE
Pedicularis sylvatica subsp. hibernica D.A. Webb Webb's Lousewort SCROPHULARIACEAE
Pedicularis sylvatica subsp. sylvatica Lousewort SCROPHULARIACEAE
Pelargonium x hybridum Aiton (P. inquinans (L.) Aiton x P. zonale (L.) Aiton) Zonal Geranium GERANIACEAE
Pentaglottis sempervirens (L.) Tausch ex L.H. Bailey Green Alkanet BORAGINACEAE
Persicaria amphibia (L.) Gray Amphibious Bistort POLYGONACEAE
Persicaria amplexicaulis (D. Don) Ronse Decr. Red Bistort POLYGONACEAE
Persicaria bistorta (L.) Samp. Common Bistort POLYGONACEAE
Persicaria campanulata (Hook. f.) Ronse Decr. Lesser Knotweed POLYGONACEAE
Persicaria hydropiper (L.) Spach Water-pepper POLYGONACEAE
Persicaria lapathifolia (L.) Gray Pale Persicaria POLYGONACEAE
Persicaria maculosa Gray Redshank POLYGONACEAE
Persicaria minor (Huds.) Opiz Small Water-pepper POLYGONACEAE
Persicaria wallichii Greuter & Burdet Himalayan Knotweed POLYGONACEAE
Petasites fragrans (Vill.) C. Presl Winter Heliotrope ASTERACEAE
Petasites hybridus (L.) P. Gaertn., B. Mey. & Scherb. Butterbur ASTERACEAE
Petroselinum crispum (Mill.) Nyman ex A.W. Hill Garden Parsley APIACEAE
Petunia x hybrida (Hook.) Vilm. Petunia SOLANACEAE
Peucedanum ostruthium (L.) W.D.J. Koch Masterwort APIACEAE
Phacelia tanacetifolia Benth. Phacelia HYDROPHYLLACEAE
Phalaris arundinacea L. Reed Canary-grass POACEAE
Phalaris canariensis L. Canary-grass POACEAE
Philadelphus coronarius L. Mock-orange HYDRANGEACEAE
Philadelphus x virginalis Rehder Hairy Mock-orange HYDRANGEACEAE
Phleum arenarium L. Sand Cat's-tail POACEAE
Phleum bertolonii DC. Smaller Cat's-tail POACEAE
Phleum pratense L. Timothy POACEAE
Phlomis fruticosa L. Jerusalem Sage LAMIACEAE
Phormium cookianum Le Jol. Lesser New Zealand Flax AGAVACEAE
Phormium tenax J.R. & G. Forst. New Zealand Flax AGAVACEAE
Phragmites australis (Cav.) Trin. ex Steud. Common Reed POACEAE
Phygelius capensis E. Mey. ex Benth. Cape Figwort SCROPHULARIACEAE
Phyllitis scolopendrium (L.) Newman Hart's-tongue ASPLENIACEAE
Physocarpus opulifolius (L.) Maxim. Ninebark ROSACEAE
Picea abies (L.) H. Karst. Norway Spruce PINACEAE
Picea sitchensis (Bong.) Carrière Sitka Spruce PINACEAE
Picris echioides L. Bristly Oxtongue ASTERACEAE
Picris hieracioides L. Hawkweed Oxtongue ASTERACEAE
Pilosella aurantiaca subsp. carpathicola (Nägeli & Peter) Soják Fox-and-cubs ASTERACEAE
Pilosella officinarum F.W. Schultz & Sch. Bip. Mouse-ear-hawkweed ASTERACEAE
Pilosella officinarum subsp. micradenium (Nägeli & Peter) P.D. Sell & C. West Mouse-ear-hawkweed ASTERACEAE
Pimpinella major (L.) Huds. Greater Burnet-saxifrage APIACEAE
Pimpinella saxifraga L. Burnet-saxifrage APIACEAE
Pinguicula lusitanica L. Pale Butterwort LENTIBULARIACEAE
Pinguicula vulgaris L. Common Butterwort LENTIBULARIACEAE
Pinus contorta Douglas ex Loudon Lodgepole Pine PINACEAE
Pinus contorta subsp. murrayana (Grev. & Balf.) Critchf. Lodgepole Pine PINACEAE
Pinus nigra J.F. Arnold Austrian Pine PINACEAE
Pinus radiata D. Don Monterey Pine PINACEAE
Pinus sylvestris L. Scots Pine PINACEAE
Plagiobothrys scouleri (Hook. & Arn.) I.M. Johnst. White Forget-me-not BORAGINACEAE
Plantago coronopus L. Buck's-horn Plantain PLANTAGINACEAE
Plantago lanceolata L. Ribwort Plantain PLANTAGINACEAE
Plantago major subsp. intermedia (Gilib.) Lange Greater Plantain PLANTAGINACEAE
Plantago major subsp. major L. Greater Plantain PLANTAGINACEAE
Plantago maritima L. Sea Plantain PLANTAGINACEAE
Platanthera bifolia (L.) Rich. Lesser Butterfly-orchid ORCHIDACEAE
Platanthera chlorantha (Custer) Rchb. Greater Butterfly-orchid ORCHIDACEAE
Poa annua L. Annual Meadow-grass POACEAE
Poa compressa L. Flattened Meadow-grass POACEAE
Poa humilis Ehrh. Ex Hoffm. Spreading Meadow-grass POACEAE
Poa nemoralis L. Wood Meadow-grass POACEAE
Poa pratensis L. Smooth Meadow-grass POACEAE
Poa trivialis L. Rough Meadow-grass POACEAE
Polemonium caeruleum L. Jacob's-ladder POLEMONIACEAE
Polygala serpyllifolia Hosé Heath Milkwort POLYGALACEAE
Polygala vulgaris L. Common Milkwort POLYGALACEAE
Polygonatum x hybridum Brügger Garden Solomon's-seal LILIACEAE
Polygonum arenastrum Boreau Equal-leaved Knotgrass POLYGONACEAE
Polygonum aviculare L. Knotgrass POLYGONACEAE
Polygonum maritimum L. Sea Knotgrass POLYGONACEAE
Polygonum oxyspermum subsp. raii (Bab.) D.A. Webb & Chater Ray's Knotgrass POLYGONACEAE
Polypodium cambricum L. Southern Polypody POLYPODIACEAE
Polypodium interjectum Shivas Intermediate polypody POLYPODIACEAE
Polypodium vulgare L. Polypody POLYPODIACEAE
Polypodium x mantoniae Rothm. & U. Schneid. POLYPODIACEAE
Polystichum aculeatum (L.) Roth Hard Shield-fern DRYOPTERIDACEAE
Polystichum setiferum (Forssk.) T. Moore ex Woyn Soft Shield-fern DRYOPTERIDACEAE
Populus alba L. White Poplar SALICACEAE
Populus nigra subsp. betulifolia L. Black-poplar SALICACEAE
Populus tremula L. Aspen SALICACEAE
Populus x canadensis Moench. (P. nigra x P. deltoides Marshall) Hybrid Black-poplar SALICACEAE
Populus x canescens (Aiton) Sm. Grey Poplar SALICACEAE
Potamogeton berchtoldii Fieber Small Pondweed POTAMOGETONACEAE
Potamogeton coloratus Hornem. Fen Pondweed POTAMOGETONACEAE
Potamogeton crispus L. Curled Pondweed POTAMOGETONACEAE
Potamogeton gramineus L. Various-leaved Pondweed POTAMOGETONACEAE
Potamogeton lucens L. Shining Pondweed POTAMOGETONACEAE
Potamogeton natans L. Broad-leaved Pondweed POTAMOGETONACEAE
Potamogeton obtusifolius Mert. & W.D.J. Koch Blunt-leaved Pondweed POTAMOGETONACEAE
Potamogeton pectinatus L. Fennel Pondweed POTAMOGETONACEAE
Potamogeton perfoliatus L. Perfoliate Pondweed POTAMOGETONACEAE
Potamogeton polygonifolius Pourr. Bog Pondweed POTAMOGETONACEAE
Potamogeton pusillus L. Lesser Pondweed POTAMOGETONACEAE
Potamogeton x nitens Weber Bright-leaved Pondweed POTAMOGETONACEAE
Potamogeton x zizii W.D.J. Koch ex Roth Long-leaved Pondweed POTAMOGETONACEAE
Potentilla anglica Laichard. Trailing Tormentil ROSACEAE
Potentilla anserina L. Silverweed ROSACEAE
Potentilla erecta (L.) Raeusch. Tormentil ROSACEAE
Potentilla erecta subsp. erecta Tormentil ROSACEAE
Potentilla erecta subsp. strictissima (Zimmeter) A.J. Richards Tormentil ROSACEAE
Potentilla fruticosa L. Shrubby Cinquefoil ROSACEAE
Potentilla palustris (L.) Scop. Marsh Cinquefoil ROSACEAE
Potentilla reptans L. Creeping Cinquefoil ROSACEAE
Potentilla sterilis (L.) Garcke Barren Strawberry ROSACEAE
Potentilla x mixta Nolte ex Rchb. Hybrid Cinquefoil ROSACEAE
Potentilla x suberecta Zimmeter ROSACEAE
Primula veris L. Cowslip PRIMULACEAE
Primula vulgaris Huds Primrose PRIMULACEAE
Primula x polyantha Mill. False Oxlip PRIMULACEAE
Prunella vulgaris L. Selfheal LAMIACEAE
Prunella vulgaris var. alba Druce Selfheal LAMIACEAE
Prunus avium (L.) L. Wild Cherry ROSACEAE
Prunus cerasifera Ehrh. Cherry Plum ROSACEAE
Prunus cerasifera var. pissardii (Carrière) L.H. Bailey Cherry Plum ROSACEAE
Prunus cerasus L. Dwarf Cherry ROSACEAE
Prunus domestica L. Wild Plum ROSACEAE
Prunus laurocerasus L. Cherry Laurel ROSACEAE
Prunus lusitanica L. Portugal Laurel ROSACEAE
Prunus padus L. Bird Cherry ROSACEAE
Prunus spinosa L. Blackthorn ROSACEAE
Prunus x fruticans Weihe ROSACEAE
Pseudofumaria lutea (L.) Borkh. Yellow Corydalis FUMARIACEAE
Pseudorchis albida (L.) Á. & D. Löve Small-white Orchid ORCHIDACEAE
Pseudosasa japonica (Siebold & Zucc. ex Steud.) Arrow Bamboo POACEAE
Pseudotsuga menziesii (Mirb.) Franco Douglas Fir PINACEAE
Pteridium aquilinum Gled. ex Scop. Bracken DENNSTAEDTIACEAE
Puccinellia distans subsp. distans (Jacq.) Parl. Reflexed Saltmarsh-grass POACEAE
Puccinellia fasciculata (Torr.) E.P. Bicknell Borrer's Saltmarsh-grass POACEAE
Puccinellia maritima (Huds.) Parl. Common Saltmarsh-grass POACEAE
Pulicaria dysenterica (L.) Bernh. Common Fleabane ASTERACEAE
Pyracantha coccinea M. Roem. Firethorn ROSACEAE
Pyrus communis L. Pear ROSACEAE
Quercus cerris L. Turkey Oak FAGACEAE
Quercus ilex L. Evergreen Oak FAGACEAE
Quercus petraea (Matt.) Liebl. Sessile Oak FAGACEAE
Quercus robur L. Pedunculate Oak FAGACEAE
Quercus rubra L. Red Oak FAGACEAE
Quercus x rosacea Bechst. FAGACEAE
Radiola linoides Roth Allseed LINACEAE
Ranunculus acris L. Meadow Buttercup RANUNCULACEAE
Ranunculus aquatilis L. Common Water-crowfoot RANUNCULACEAES
Ranunculus auricomus L. Goldilocks Buttercup RANUNCULACEAE
Ranunculus baudotii Godr. Brackish Water-crowfoot RANUNCULACEAES
Ranunculus bulbosus L. Bulbous Buttercup RANUNCULACEAE
Ranunculus ficaria L. subsp. ficaria Lesser Celadine RANUNCULACEAE
Ranunculus ficaria subsp. bulbilifer Lambinon Bulbiferous Celadine RANUNCULACEAE
Ranunculus flammula L. subsp. flammula Lesser Spearwort RANUNCULACEAE
Ranunculus flammula subsp. flammula var. major Schult. Lesser Spearwort RANUNCULACEAES
Ranunculus hederaceus L. Ivy-leaved Crowfoot RANUNCULACEAES
Ranunculus lingua L. Greater Spearwort RANUNCULACEAE
Ranunculus omiophyllus Ten. Round-leaved Crowfoot RANUNCULACEAES
Ranunculus parviflorus L. Small-flowered Buttercup RANUNCULACEAE
Ranunculus peltatus Schrank Pond Water-crowfoot RANUNCULACEAES
Ranunculus penicillatus subsp. penicillatus (Dumort.) Bab. Stream Water-crowfoot RANUNCULACEAES
Ranunculus repens L. Creeping Buttercup RANUNCULACEAE
Ranunculus repens var. degeneratus Schur. Creeping Buttercup RANUNCULACEAE
Ranunculus sardous Crantz Hairy Buttercup RANUNCULACEAE
Ranunculus sceleratus L. Celery-leaved Buttercup RANUNCULACEAE
Ranunculus trichophyllus Chaix Thread-leaved Water-crowfoot RANUNCULACEAES
Raphanus raphanistrum subsp. maritimus (Sm.) Thell Sea Radish BRASSICACEAE
Raphanus raphanistrum subsp. maritimus var. albus Druce Sea Radish BRASSICACEAE
Raphanus raphanistrum subsp. raphanistrum f. alba F. Ger. Wild Radish BRASSICACEAE
Raphanus raphanistrum subsp. raphanistrum f. arvensis Beck Wild Radish BRASSICACEAE
Raphanus raphanistrum subsp. raphanistrum f. concolor Beck Wild Radish BRASSICACEAE
Raphanus raphanistrum subsp. raphanistrum f. ochrocyanea F. Ger. Wild Radish BRASSICACEAE
Raphanus raphanistrum subsp. raphanistrum L. Wild Radish BRASSICACEAE
Raphanus raphanistrum subsp. raphanistrum var. aureus Wilmott Wild Radish BRASSICACEAE
Raphanus sativus L. Garden Radish BRASSICACEAE
Rapistrum rugosum (L.) J.P. Bergeret Bastard Cabbage BRASSICACEAE
Reseda alba L. White Mignonette RESEDACEAE
Reseda lutea L. Wild Mignonette RESEDACEAE
Reseda luteola L. Weld RESEDACEAE
Rheum x hybridum Murray Rhubarb POLYGONACEAE
Rhinanthus minor L. Yellow-rattle SCROPHULARIACEAE
Rhinanthus minor subsp. minor L. Yellow-rattle SCROPHULARIACEAE
Rhinanthus minor subsp. stenophyllus (Schur) O. Schwarz Yellow-rattle SCROPHULARIACEAE
Rhododendron arboreum W. Smith Tree Rhododendron ERICACEAE
Rhododendron ponticum L. Rhododendron ERICACEAE
Rhus typhina L. Stag's-horn Sumach ANACARDIACEAE
Rhynchospora alba (L.) Vahl White Beak-sedge CYPERACEAE
Ribes nigrum L. Black Currant GROSSULARIACEAE
Ribes rubrum L Red Currant GROSSULARIACEAE
Ribes sanguineum Pursh Flowering Currant GROSSULARIACEAE
Ribes uva-crispa L. Gooseberry GROSSULARIACEAE
Robinia pseudoacacia L. False-acacia FABACEAE
Rorippa amphibia (L.) Besser Great Yellow-cress BRASSICACEAE
Rorippa microphylla (Boenn.) Hyl. ex Á. & D. Löve Narrow-fruited Water-cress BRASSICACEAE
Rorippa nasturtium-aquaticum (L.) Hayek Water-cress BRASSICACEAE
Rorippa palustris (L.) Besser Marsh Yellow-cress BRASSICACEAE
Rorippa sylvestris (L.) Besser Creeping Yellow-cress BRASSICACEAE
Rorippa x anceps (Wahlenb.) Rchb. Hybrid Yellow-cress BRASSICACEAE
Rorippa x sterilis Airy Shaw Hybrid Water-cress BRASSICACEAE
Rosa 'Hollandica' Dutch Rose ROSACEAE
Rosa agrestis Savi Small-leaved Sweet-briar ROSACEAE
Rosa arvensis Huds Field-rose ROSACEAE
Rosa canina L. Dog-rose ROSACEAE
Rosa micrantha Borrer ex Sm. Small-flowered Sweet-briar ROSACEAE
Rosa mollis Sm. Soft Downy-rose ROSACEAE
Rosa multiflora Thunb. ex Murray Many-flowered Rose ROSACEAE
Rosa pimpinellifolia L. Burnet Rose ROSACEAE
Rosa pimpinellifolia x R. rugosa ROSACEAE
Rosa rubiginosa L. Sweet-briar ROSACEAE
Rosa rugosa Thunb. ex Murray Japanese Rose ROSACEAE
Rosa sherardii Davies Sherard's Downy-rose ROSACEAE
Rosa stylosa Desv. Short-styled Field-rose ROSACEAE
Rosa tomentosa Sm. Harsh Downy-rose ROSACEAE
Rosa x andegavensis Bastard ROSACEAE
Rosa x pseudorusticana Crép. ex Preston ROSACEAE
Rosa x rothschildii Druce ROSACEAE
Rosa x scabriuscula Sm. ROSACEAE
Rosa x verticillacantha Mérat ROSACEAE
Rosmarinus officinalis L. Rosemary LAMIACEAE
Rubia peregrina L. Wild Madder RUBIACEAE
Rubus acclivitatum W.C.R.Watson ROSACEAE
Rubus adenanthoides Newton ROSACEAE
Rubus adscitus Genev. ROSACEAE
Rubus aequalidens Newton ROSACEAE
Rubus albionis W.C.R.Watson ROSACEAE
Rubus altiarcuatus W.C.Barton & Riddelsd. ROSACEAE
Rubus amplificatus Lees ROSACEAE
Rubus ariconiensis Newton & M.Porter ROSACEAE
Rubus armeniacus Focke Himalayan Giant ROSACEAE
Rubus asperidens (Sudre ex Bouvet) Bouvet ROSACEAE
Rubus botryeros (Focke ex Rogers) Rogers ROSACEAE
Rubus britannicus Rogers ROSACEAE
Rubus caesarius D.Allen ROSACEAE
Rubus caesius L. Dewberry ROSACEAE
Rubus calvatus Lees ex Bloxam ROSACEAE
Rubus cardiophyllus Lef. & P.J.Mueller ROSACEAE
Rubus cinerosiformis Rilstone ROSACEAE
Rubus cinerosus Rogers ROSACEAE
Rubus conjungens (Bab.) Rogers ROSACEAE
Rubus dentatifolius (Briggs) W.C.R.Watson ROSACEAE
Rubus dumnoniensis Bab. ROSACEAE
Rubus flexuosus P.J.Mueller & Lef. ROSACEAE
Rubus fruticosus agg. Bramble ROSACEAE
Rubus griffithianus Rogers ROSACEAE
Rubus hastiformis W.C.R.Watson ROSACEAE
Rubus hesperius Rogers ROSACEAE
Rubus hylocharis W.C.R.Watson ROSACEAE
Rubus idaeus L. Raspberry ROSACEAE
Rubus imbricatus F.J.A.Hort ROSACEAE
Rubus incurvatus Bab. ROSACEAE
Rubus lamburnensis Rilstone ROSACEAE
Rubus lanaticaulis Edees & Newton ROSACEAE
Rubus largificus W.C.R.Watson ROSACEAE
Rubus leptothyrsos G.Braun ROSACEAE
Rubus leyanus Rogers ROSACEAE
Rubus lindleianus Lees ROSACEAE
Rubus longithyrsiger Lees ex Focke ROSACEAE
Rubus longus (Rogers & Ley) Newton ROSACEAE
Rubus melanodermis Focke ex Rogers ROSACEAE
Rubus micans Godron ROSACEAE
Rubus moylei W.C.Barton & Riddelsd. ROSACEAE
Rubus nemoralis P.J.Mueller ROSACEAE
Rubus nemorosus Hayne & Willd. ROSACEAE
Rubus norvicensis A.L.Bull & Edees ROSACEAE
Rubus pallidisetus Sudre ROSACEAE
Rubus plicatus Weihe & Nees ROSACEAE
Rubus plymensis (Focke) Edees & Newton ROSACEAE
Rubus polyanthemus Lindeb. ROSACEAE
Rubus prolongatus Boulay & Letendre ex Corbière ROSACEAE
Rubus purbeckensis W.C.Barton & Riddelsd. ROSACEAE
Rubus riddelsdellii Rilstone ROSACEAE
Rubus rubristylus W.C.R.Watson ROSACEAE
Rubus rubritinctus W.C.R.Watson ROSACEAE
Rubus rufescens Lef. & P.J.Mueller ROSACEAE
Rubus saxatilis L. Stone Bramble ROSACEAE
Rubus scabripes Genev. ROSACEAE
Rubus segontii Newton & M.Porter ROSACEAE
Rubus sprengelii Weihe ROSACEAE
Rubus tricolor Focke Chinese Bramble ROSACEAE
Rubus tuberculatus Bab. ROSACEAE
Rubus ulmifolius Schott Elm-leaved Bramble ROSACEAE
Rubus ulmifolius x R. caesius ROSACEAE
Rubus vestitus Weihe ROSACEAE
Rubus winteri P.J.Mueller ex Focke ROSACEAE
Rubus wirralensis Newton ROSACEAE
Rumex acetosa subsp. acetosa L. Common Sorrel POLYGONACEAE
Rumex acetosa subsp. hibernicus (Rech. F.) Akeroyd POLYGONACEAE
Rumex acetosella L. Sheep's Sorrel POLYGONACEAE
Rumex conglomeratus Murray Clustered Dock POLYGONACEAE
Rumex crispus L. subsp. crispus Curled Dock POLYGONACEAE
Rumex crispus subsp. crispus var. crispus Curled Dock POLYGONACEAE
Rumex crispus subsp. littoreus (J. Hardy) Akeroyd Curled Dock POLYGONACEAE
Rumex crispus subsp. uliginosus (Le Gall) Akeroyd Curled Dock POLYGONACEAE
Rumex hydrolapathum Huds. Water Dock POLYGONACEAE
Rumex obtusifolius L. Broad-leaved Dock POLYGONACEAE
Rumex pulcher L. Fiddle Dock POLYGONACEAE
Rumex sanguineus L. Wood Dock POLYGONACEAE
Rumex x abortivus Rohmer POLYGONACEAE
Rumex x dufftii Hausskn. POLYGONACEAE
Rumex x pratensis Mert. & W.D.J. Koch POLYGONACEAE
Rumex x sagorskii Hausskn. POLYGONACEAE
Rumex x schulzei Hausskn. POLYGONACEAE
Rumex x weberi Fisch.-Benz. POLYGONACEAE
Ruppia maritima L. Beaked Tasselweed RUPPIACEAE
Ruscus aculeatus L. Butcher's-broom LILIACEAE
Sagina apetala Ard. Annual Pearlwort CARYOPHYLLACEAE
Sagina apetala subsp. apetala Pearlwort CARYOPHYLLACEAE
Sagina apetala subsp. erecta F. Herm. Pearlwort CARYOPHYLLACEAE
Sagina maritima Don Sea Pearlwort CARYOPHYLLACEAE
Sagina nodosa (L.) Fenzl Knotted Pearlwort CARYOPHYLLACEAE
Sagina procumbens L. Procumbent Pearlwort CARYOPHYLLACEAE
Sagina procumbens var. spinosa S. Gibs. Pearlwort CARYOPHYLLACEAE
Salicornia agg. Glassworts CHENOPODIACEAE
Salicornia dolichostachya Moss Long-spiked Glasswort CHENOPODIACEAE
Salicornia europaea L. Common Glasswort CHENOPODIACEAE
Salicornia fragilis P.W. Ball & Tutin Yellow Glasswort CHENOPODIACEAE
Salicornia nitens P.W. Ball & Tutin Shiny Glasswort CHENOPODIACEAE
Salicornia pusilla Woods One-flowered Glasswort CHENOPODIACEAE
Salicornia ramosissima Woods Purple Glasswort CHENOPODIACEAE
Salix alba L. White Willow SALICACEAE
Salix aurita L. Eared Willow SALICACEAE
Salix caprea subsp. caprea L. Goat Willow SALICACEAE
Salix cinerea subsp. oleifolia Macreight Grey Willow SALICACEAE
Salix fragilis L. Crack-willow SALICACEAE
Salix fragilis var. decipiens (Hoffm.) Koch White Welsh Willow SALICACEAE
Salix fragilis var. russelliana (Sm.) Koch Bedford Willow SALICACEAE
Salix herbacea L. Dwarf Willow SALICACEAE
Salix pentandra L. Bay Willow SALICACEAE
Salix purpurea L. Purple Willow SALICACEAE
Salix repens L. Creeping Willow SALICACEAE
Salix repens var. argentea (Sm.) Wimm. & Grab. Creeping Willow SALICACEAE
Salix triandra L. Almond Willow SALICACEAE
Salix viminalis L. Osier SALICACEAE
Salix x multinervis Döll SALICACEAE
Salix x reichardtii A. Kern. SALICACEAE
Salix x rubens Schrank Hybrid Crack-willow SALICACEAE
Salix x sericans Tausch ex A. Kern Broad-leaved Osier SALICACEAE
Salix x smithiana Willd. Silky-leaved Osier SALICACEAE
Salsola kali subsp. kali L. Prickly Saltwort CHENOPODIACEAE
Salvia verbenaca L. Wild Clary LAMIACEAE
Sambucus ebulus L. Dwarf Elder CAPRIFOLIACEAE
Sambucus nigra 'Marginata' CAPRIFOLIACEAE
Sambucus nigra L. Elder CAPRIFOLIACEAE
Sambucus nigra var. laciniata Lam. Elder CAPRIFOLIACEAE
Samolus valerandi L. Brookweed PRIMULACEAE
Sanguisorba minor subsp. muricata (Gremli) Briq. Fodder Burnet ROSACEAE
Sanguisorba obtusea Maxim. Japanese Burnet ROSACEAE
Sanicula europaea L. Sanicle APIACEAE
Santolina chamaecyparissus L. Lavender-cotton ASTERACEAE
Saponaria ocymoides L. Rock Soapwort CARYOPHYLLACEAE
Saponaria officinalis L. Soapwort CARYOPHYLLACEAE
Sasa palmata (Burb.) E.G. Camus Broad-leaved Bamboo POACEAE
Saxifraga cymbalaria L. Celandine Saxifrage SAXIFRAGACEAE
Saxifraga hypnoides L. Mossy Saxifrage SAXIFRAGACEAE
Saxifraga spathularis Brot. St Patrick's-cabbage SAXIFRAGACEAE
Saxifraga stellaris L. Starry Saxifrage SAXIFRAGACEAE
Saxifraga tridactylites L. Rue-leaved Saxifrage SAXIFRAGACEAE
Saxifraga x urbium D.A. Webb (S. umbrosa L. x S. spathularis) Londonpride SAXIFRAGACEAE
Scandix pecten-veneris L. Shepherd's-needle APIACEAE
Schoenoplectus lacustris (L.) Palla Common Club-rush CYPERACEAE
Schoenoplectus tabernaemontani (C.C. Gmel.) Palla Grey Club-rush CYPERACEAE
Schoenus nigricans L. Black Bog-rush CYPERACEAE
Scirpus sylvaticus L. Wood Club-rush CYPERACEAE
Scrophularia auriculata L. Water Figwort SCROPHULARIACEAE
Scrophularia nodosa L. Common Figwort SCROPHULARIACEAE
Scrophularia nodosa var. babartii Common Figwort SCROPHULARIACEAE
Scutellaria galericulata L. Skullcap LAMIACEAE
Scutellaria minor Huds. Lesser Skullcap LAMIACEAE
Scutellaria x hybrida Strail LAMIACEAE
Securigera varia (L.) Lassen Crown Vetch FABACEAE
Sedum acre L. Biting Stonecrop CRASSULACEAE
Sedum album L. White Stonecrop CRASSULACEAE
Sedum anglicum Huds English Stonecrop CRASSULACEAE
Sedum confusum Hemsl. Lesser Mexican-stonecrop CRASSULACEAE
Sedum forsterianum Sm. Rock Stonecrop CRASSULACEAE
Sedum hybridum L. Siberian Stonecrop CRASSULACEAE
Sedum rosea (L.) Scop. Roseroot CRASSULACEAE
Sedum rupestre L. Reflexed Stonecrop CRASSULACEAE
Sedum sexangulare L. Tasteless Stonecrop CRASSULACEAE
Sedum spectabile Boreau Butterfly Stonecrop CRASSULACEAE
Sedum spurium M. Bieb. Caucasian-stonecrop CRASSULACEAE
Sedum telephium L. Orpine CRASSULACEAE
Selaginella kraussiana (Kunze) A. Braun Krauss's Clubmoss SELAGINELLACEAE
Sempervivum tectorum L. House-leek CRASSULACEAE
Senecio aquaticus Hill Marsh Ragwort ASTERACEAE
Senecio jacobaea L. Common Ragwort ASTERACEAE
Senecio jacobaea subsp. dunensis (Dumort.) Kadereit & P.D. Sell Rayless Ragwort ASTERACEAE
Senecio squalidus L. Oxford Ragwort ASTERACEAE
Senecio sylvaticus L. Heath Groundsel ASTERACEAE
Senecio viscosus L. Sticky Groundsel ASTERACEAE
Senecio vulgaris L. Groundsel ASTERACEAE
Senecio vulgaris var. hibernicus Syme Groundsel ASTERACEAE
Senecio x albescens Burb. & Colgan (S. jacobaea x S. cineraria DC. (Silver Ragwort)) ASTERACEAE
Senecio x ostenfeldii Druce ASTERACEAE
Sequoiadendron giganteum (Lindl.) Buchholz Wellingtonia TAXODIACEAE
Setaria pumila (Poir.) Schult. Yellow Bristle-grass POACEAE
Setaria viridis (L.) P. Beauv. Green Bristle-grass POACEAE
Sherardia arvensis L. Field Madder RUBIACEAE
Silene dioica (L.) Clairv. Red Campion CARYOPHYLLACEAE
Silene latifolia Poir. White Campion CARYOPHYLLACEAE
Silene uniflora Roth Sea Campion CARYOPHYLLACEAE
Silene vulgaris subsp. vulgaris Garcke Bladder Campion CARYOPHYLLACEAE
Silybum marianum (L.) Gaertn. Milk Thistle ASTERACEAE
Sinapis alba subsp. alba L. White Mustard BRASSICACEAE
Sinapis arvensis L. Charlock BRASSICACEAE
Sisymbrium altissimum L. Tall Rocket BRASSICACEAE
Sisymbrium officinale (L.) Scop. Hedge Mustard BRASSICACEAE
Sisymbrium orientale L. Eastern Rocket BRASSICACEAE
Sisyrinchium striatum Sm. Pale Yellow-eyed-grass IRIDACEAE
Skimmia japonica Thunb. Japanese Skimmia RUTACEAE
Smilax aspera L. Common Smilax LILIACEAE
Smyrnium olusatrum L. Alexanders APIACEAE
Solanum dulcamara L. Bittersweet SOLANACEAE
Solanum dulcamara var. alba Druce Bittersweet SOLANACEAE
Solanum dulcamara var. villosissimum Desv. Bittersweet SOLANACEAE
Solanum nigrum subsp. nigrum L. Black Nightshade SOLANACEAE
Solanum sisymbriifolium Lam. Red Buffalo-bur SOLANACEAE
Solanum tuberosum L. Potato SOLANACEAE
Soleirolia soleirolii (Req.) Dandy Mind-your-own-business URTICACEAE
Solidago gigantea Aiton Early Goldenrod ASTERACEAE
Solidago virgaurea L. Goldenrod ASTERACEAE
Sonchus arvensis L. Perennial Sow-thistle ASTERACEAE
Sonchus asper (L.) Hill Prickly Sow-thistle ASTERACEAE
Sonchus oleraceus L. Smooth Sow-thistle ASTERACEAE
Sorbus aria (L.) Crantz Whitebeam ROSACEAE
Sorbus aucuparia L. Rowan ROSACEAE
Sorbus croceocarpa P.D. Sell Orange-berried Whitebeam ROSACEAE
Sorbus devoniensis E.F. Warb. Whitebeam ROSACEAE
Sorbus hibernica E.F. Warb. Irish Whitebeam ROSACEAE
Sorbus intermedia (Ehrh.) Pers. Swedish Whitebeam ROSACEAE
Sparganium angustifolium Michx. Floating Bur-reed SPARGANIACEAE
Sparganium emersum Rehmann Unbranched Bur-reed SPARGANIACEAE
Sparganium erectum L. Branched Bur-reed SPARGANIACEAE
Sparganium erectum subsp. microcarpum (Neuman) Domin. Branched Bur-reed SPARGANIACEAE
Sparganium erectum subsp. neglectum (Beeby) K. Richt. Branched Bur-reed SPARGANIACEAE
Sparganium erectum subsp. oocarpum (Celak.) Domin. Branched Bur-reed SPARGANIACEAE
Sparganium natans L. Least Bur-reed SPARGANIACEAE
Spartina anglica C.E. Hubb. Common Cord-grass POACEAE
Spergula arvensis L. Corn Spurrey CARYOPHYLLACEAE
Spergula arvensis var. arvensis Corn Spurrey CARYOPHYLLACEAE
Spergula arvensis var. sativa (Boenn.) Mert. & W.D.J. Koch Corn Spurrey CARYOPHYLLACEAE
Spergularia marina (L.) Griseb. Lesser Sea-spurrey CARYOPHYLLACEAE
Spergularia media (L.) C. Presl Greater Sea-spurrey CARYOPHYLLACEAE
Spergularia rubra (L.) J. & C. Presl Sand Spurrey CARYOPHYLLACEAE
Spergularia rupicola Lebel ex Le Jol. Spergula rupicola CARYOPHYLLACEAE
Spiraea alba Du Roi Pale Bridewort ROSACEAE
Spiraea chamaedryfolia L. Elm-leaved Spiraea ROSACEAE
Spiraea salicifolia L. Bridewort ROSACEAE
Spiraea x billardii Hérincq (S. alba x S. douglasii) Billard's Bridewort ROSACEAE
Spiraea x pseudosalicifolia Silverside (S. salicifolia x S. douglasii Hook.) Confused Bridewort ROSACEAE
Spiraea x vanhouttei (Briot) Carrière (S. cantoniensis Lour. x S. trilobata L.) Van Houtte's Spiraea ROSACEAE
Spiranthes spiralis (L.) Chevall. Autumn Lady's-tresses ORCHIDACEAE
Spirodela polyrhiza (L.) Schleid. Greater Duckweed LEMNACEAE
Stachys arvensis (L.) L. Field Woundwort LAMIACEAE
Stachys byzantina K. Koch Lamb's-ear LAMIACEAE
Stachys officinalis (L.) Trevis. Betony LAMIACEAE
Stachys palustris L. Marsh Woundwort LAMIACEAE
Stachys sylvatica L. Hedge Woundwort LAMIACEAE
Stachys x ambigua Sm. Hybrid Woundwort LAMIACEAE
Stellaria graminea L. Lesser Stitchwort CARYOPHYLLACEAE
Stellaria holostea L. Greater Stitchwort CARYOPHYLLACEAE
Stellaria media (L.) Vill. Common Chickweed CARYOPHYLLACEAE
Stellaria pallida (Dumort.) Crép. Lesser Chickweed CARYOPHYLLACEAE
Stellaria uliginosa Murray Bog Stitchwort CARYOPHYLLACEAE
Suaeda maritima (L.) Dumort Annual Sea-blite CHENOPODIACEAE
Succisa pratensis Moench Devil's-bit Scabious DIPSACACEAE
Symphoricarpos albus (L.) S.F. Blake Snowberry CAPRIFOLIACEAE
Symphytum grandiflorum DC. Creeping Comfrey BORAGINACEAE
Symphytum officinale L. Common Comfrey BORAGINACEAE
Symphytum x uplandicum Nyman (S. officinale x S. asperum Lepech.) Russian Comfrey BORAGINACEAE
Syringa vulgaris L. Lilac OLEACEAE
Tagetes patula L. French Marigold ASTERACEAE
Tamarix gallica L. Tamarisk TAMARICACEAE
Tanacetum parthenium (L.) Sch. Bip. Feverfew ASTERACEAE
Tanacetum vulgare L. Tansy ASTERACEAE
Taraxacum agg. Dandelions ASTERACEAE
Taraxacum drucei Dahlst. Druce's Dandelion ASTERACEAE
Taraxacum landmarkii Dahlst. Landmark Dandelion ASTERACEAE
Taraxacum naevosiforme Dahlst. Wetland Dandelion ASTERACEAE
Taraxacum palustre (Lyons) Symons Fen Dandelion ASTERACEAE
Taxus baccata L. Yew TAXACEAE
test_species23455 test common name23455 test_family34
Teucrium scorodonia L. Wood Sage LAMIACEAE
Thalictrum minus L. Lesser Meadow-rue RANUNCULACEAES
Thlaspi arvense L. Field Penny-cress BRASSICACEAE
Thuja plicata Donn ex D. Don Western Red-cedar CUPRESSACEAE
Thymus polytrichus A. Kern. ex Borbás Wild Thyme LAMIACEAE
Tilia cordata Mill. Small-leaved Lime TILIACEAE
Tilia platyphyllos Scop. Large-leaved Lime TILIACEAE
Tilia x europaea L. (T. platyphyllos x T. cordata) Lime TILIACEAE
Tolmiea menziesii (Pursh) Torr. & A. Gray Pick-a-back-plant SAXIFRAGACEAE
Torilis japonica (Houtt.) DC. Upright Hedge-parsley APIACEAE
Torilis nodosa (L.) Gaertn. Knotted Hedge-parsley APIACEAE
Trachelium caeruleum L. Throatwort CAMPANULACEAE
Trachycarpus fortunei (Hook.) H.A. Wendl. Chusan Palm ARECACEAE
Trachystemon orientalis (L.) G. Don Abraham-Isaac-Jacob BORAGINACEAE
Tragopogon pratensis subsp. minor (Mill.) Wahlenb. Goat's-beard ASTERACEAE
Trichomanes speciosum Willd. Killarney Fern HYMENOPHYLLACEAE
Trichophorum cespitosum L. Hartm. subsp. germanicum (Palla) Hegi Deergrass CYPERACEAE
Trifolium arvense L. Hare's-foot Clover FABACEAE
Trifolium campestre Schreb. Hop Trefoil FABACEAE
Trifolium dubium Sibth. Lesser Trefoil FABACEAE
Trifolium fragiferum L. Strawberry Clover FABACEAE
Trifolium glomeratum L. Clustered Clover FABACEAE
Trifolium hybridum L. Alsike Clover FABACEAE
Trifolium incarnatum subsp. incarnatum L. Crimson Clover FABACEAE
Trifolium medium L. Zigzag Clover FABACEAE
Trifolium micranthum Viv. Slender Trefoil FABACEAE
Trifolium pratense L. Red Clover FABACEAE
Trifolium pratense var. americanum Harz. Red Clover FABACEAE
Trifolium pratense var. sativum Schreb. Red Clover FABACEAE
Trifolium repens L. White Clover FABACEAE
Trifolium scabrum L. Rough Clover FABACEAE
Triglochin maritimum L. Sea Arrowgrass JUNCAGINACEAE
Triglochin palustre L. Marsh Arrowgrass JUNCAGINACEAE
Tripleurospermum inodorum (L.) Sch. Bip. Scentless Mayweed ASTERACEAE
Tripleurospermum maritimum (L.) W.D.J. Koch Sea Mayweed ASTERACEAE
Trisetum flavescens (L.) P. Beauv. Yellow Oat-grass POACEAE
Triticum aestivum L. Bread Wheat POACEAE
Tropaeolum majus 'Alaska' TROPAEOLACEAE
Tropaeolum majus L. Nasturtium TROPAEOLACEAE
Tsuga heterophylla (Raf.) Sarg. Western Hemlock-spruce PINACEAE
Tulipa gesneriana L. Garden Tulip LILIACEAE
Tussilago farfara L. Colt's-foot ASTERACEAE
Typha angustifolia L. Lesser Bulrush TYPHACEAE
Typha latifolia L. Bulrush TYPHACEAE
uddleja davidii Franch. Butterfly-bush BUDDLEJACEAE
Ulex europaeus L. Gorse FABACEAE
Ulex gallii Planch. Western Gorse FABACEAE
Ulex gallii x U. europaeus FABACEAE
Ulmus glabra Huds. Wych Elm ULMACEAE
Ulmus minor Mill. Small-leaved Elm ULMACEAE
Ulmus procera Salisb. English Elm ULMACEAE
Umbilicus rupestris (Salisb.) Dandy Navelwort CRASSULACEAE
Urtica dioica L. Common Nettle URTICACEAE
Urtica galeopsifolia Wierzb. ex Opiz Fen Nettle URTICACEAE
Urtica urens L. Small Nettle URTICACEAE
Utricularia australis R. Br. Bladderwort LENTIBULARIACEAE
Utricularia minor L. Lesser Bladderwort LENTIBULARIACEAE
Utricularia vulgaris L. sens. lat. Bladderwort LENTIBULARIACEAE
Utricularia vulgaris L. sens. str. Bladderwort LENTIBULARIACEAE
Vaccaria hispanica (Mill.) Rauschert Cowherb CARYOPHYLLACEAE
Vaccinium myrtillus L. Bilberry ERICACEAE
Vaccinium oxycoccos L. Cranberry ERICACEAE
Vaccinium vitis-idaea L. Cowberry ERICACEAE
Valeriana officinalis L. Common Valerian VALERIANACEAE
Valerianella carinata Loisel. Keeled-fruited Cornsalad VALERIANACEAE
Valerianella dentata (L.) Pollich Narrow-fruited Cornsalad VALERIANACEAE
Valerianella locusta (L.) Laterr. Common Cornsalad VALERIANACEAE
Valerianella locusta var. lasiocarpa Reichb. Common Cornsalad VALERIANACEAE
Valerianella rimosa Bastard Broad-fruited Cornsalad VALERIANACEAE
Verbascum blattaria L. Moth Mullein SCROPHULARIACEAE
Verbascum nigrum L. Dark Mullein SCROPHULARIACEAE
Verbascum phlomoides L. Orange Mullein