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Pinaceae Nyctaginaceae Malvaceae Aceraceae Asteraceae Berberidaceae Poaceae Lamiaceae Ranunculaceae Acoraceae Pteridaceae Apiaceae Rosaceae Caryophyllaceae Simaroubaceae Fabaceae Polemoniaceae Alismataceae Brassicaceae Liliaceae Monotropaceae Betulaceae Amaranthaceae Lythraceae Boraginaceae Primulaceae Ericaceae Scrophulariaceae Apocynaceae Araliaceae Viscaceae Papaveraceae Plumbaginaceae Araceae Aristolochiaceae Asclepiadaceae Aspleniaceae Dryopteridaceae Chenopodiaceae Solanaceae Azollaceae Elatinaceae Blechnaceae Saxifragaceae Orobanchaceae Ophioglossaceae Cabombaceae Cucurbitaceae Buddlejaceae Portulacaceae Callitrichaceae Calycanthaceae Orchidaceae Convolvulaceae Onagraceae Campanulaceae Bignoniaceae Cannabaceae Cyperaceae Rhamnaceae Ulmaceae Gentianaceae Valerianaceae Ceratophyllaceae Euphorbiaceae Pyrolaceae Polygonaceae Fagaceae Capparaceae Santalaceae Commelinaceae Cornaceae Fumariaceae Crassulaceae Rubiaceae Cupressaceae Cuscutaceae Thymelaeaceae Sarraceniaceae Dipsacaceae Droseraceae Hydrocharitaceae Pontederiaceae Elaeagnaceae Empetraceae Equisetaceae Hydrophyllaceae Geraniaceae Celastraceae Moraceae Limnanthaceae Oleaceae Garryaceae Crossosomataceae Hippuridaceae Lycopodiaceae Clusiaceae Aquifoliaceae Balsaminaceae Iridaceae Isoetaceae Juglandaceae Juncaceae Lemnaceae Juncaginaceae Caprifoliaceae Linaceae Marsileaceae Loasaceae Menyanthaceae Molluginaceae Myricaceae Haloragaceae Najadaceae Zosteraceae Nymphaeaceae Cactaceae Oxalidaceae Paeoniaceae Urticaceae Vitaceae Zygophyllaceae Thelypteridaceae Hydrangeaceae Phytolaccaceae Lentibulariaceae Plantaginaceae Polypodiaceae Salicaceae Potamogetonaceae Pedaliaceae Dennstaedtiaceae Resedaceae Anacardiaceae Grossulariaceae Ruppiaceae Scheuchzeriaceae Selaginellaceae Sparganiaceae Tamaricaceae Taxaceae Aizoaceae Typhaceae Verbenaceae Violaceae Zannichelliaceae
Abies Abronia Abutilon Acer Achillea Achlys Achnatherum Acinos Aconitum Acorus Acroptilon Actaea Adenocaulon Adiantum Adonis Aegilops Aegopodium Agastache Ageratina Agoseris Agrimonia Agropogon Agropyron Agrostemma Agrostis Ailanthus Aira Ajuga Alcea Alhagi Aliciella Alisma Alliaria Allium Allophyllum Allotropa Alnus Alopecurus Alyssum Amaranthus Ambrosia Amelanchier Ammannia Ammophila Amorpha Amsinckia Anagallis Anaphalis Anchusa Andromeda Androsace Anemone Anethum Angelica Antennaria Anthemis Anthoxanthum Anthriscus Antirrhinum Apera Aphanes Apium Apocynum Aquilegia Arabidopsis Arabis Aralia Arbutus Arceuthobium Arctium Arctostaphylos Arenaria Argemone Argentina Aristida Armeria Armoracia Arnica Arrhenatherum Artemisia Arum Aruncus Asarum Asclepias Asparagus Asperugo Aspidotis Asplenium Astragalus Athyrium Athysanus Atriplex Atropa Aurinia Avena Azolla Baldellia Ballota Balsamorhiza Barbarea Bassia Beckmannia Bellis Berberis Bergia Berteroa Berula Besseya Betula Bidens Blechnum Blepharipappus Bolandra Borago Boschniakia Botrychium Bouteloua Boykinia Brachiaria Brasenia Brassica Brickellia Briza Brodiaea Bromus Bryonia Buddleja Buglossoides Cabomba Cacaliopsis Cakile Calamagrostis Calamovilfa Calandrinia Calendula Callitriche Calluna Calochortus Caltha Calycanthus Calypso Calystegia Camassia Camelina Camissonia Campanula Campsis Canadanthus Cannabis Capsella Caragana Cardamine Cardaria Cardionema Carduus Carex Carthamus Carum Cassiope Castilleja Catabrosa Catapodium Ceanothus Celtis Cenchrus Centaurea Centaurium Centranthus Centromadia Cephalanthera Cerastium Ceratocephala Ceratophyllum Cercocarpus Chaenactis Chaenorhinum Chamaesyce Chamerion Cheilanthes Chelidonium Chenopodium Chimaphila Chondrilla Chorispora Chorizanthe Chrysolepis Chrysosplenium Chrysothamnus Cicer Cichorium Cicuta Cinna Circaea Cirsium Cistanthe Clarkia Claytonia Clematis Cleome Clinopodium Clintonia Cnicus Cochlearia Coleanthus Collinsia Collomia Columbiadoria Comandra Comarum Commelina Conioselinum Conium Conringia Consolida Convallaria Convolvulus Conyza Coptis Corallorhiza Cordylanthus Coreopsis Coriandrum Corispermum Cornus Coronopus Corydalis Corylus Corynephorus Cotoneaster Cotula Crassula Crataegus Crepis Crocidium Croton Cruciata Crupina Crypsis Cryptantha Cryptogramma Cucumis Cupressus Cuscuta Cusickiella Cyclachaena Cymbalaria Cynara Cynodon Cynoglossum Cynosurus Cyperus Cypripedium Cystopteris Cytisus Dactylis Dactylorhiza Dalea Damasonium Danthonia Daphne Darlingtonia Dasiphora Datura Daucus Delphinium Deschampsia Descurainia Dianthus Dicentra Dichanthelium Dichelostemma Digitalis Digitaria Dipsacus Distichlis Dodecatheon Douglasia Downingia Draba Dracocephalum Drosera Dryas Dryopteris Duchesnea Dulichium Eatonella Echinochloa Echinocystis Echinops Echium Egeria Eichhornia Elaeagnus Elatine Eleocharis Elliottia Elmera Elodea Elyhordeum Elyleymus Elymus Empetrum Enemion Epilobium Epipactis Equisetum Eragrostis Erechtites Eremopyrum Eriastrum Ericameria Erigeron Eriodictyon Eriogonum Eriophorum Eriophyllum Eritrichium Erodium Eruca Erucastrum Eryngium Erysimum Erythronium Eschscholzia Eucephalus Euclidium Euonymus Eupatoriadelphus Euphorbia Euphrasia Eurybia Euthamia Fagopyrum Fatoua Festuca Filago Filipendula Floerkea Foeniculum Forsythia Fragaria Frangula Frasera Fraxinus Fritillaria Fumaria Gagea Gaillardia Galanthus Galega Galeopsis Galinsoga Galium Gamochaeta Garrya Gaultheria Gaura Gayophytum Genista Gentiana Gentianella Geocaulon Geranium Geum Gilia Githopsis Glaux Glechoma Glehnia Glossopetalon Glyceria Glycyrrhiza Gnaphalium Goodyera Gratiola Grayia Grindelia Guillenia Gutierrezia Gymnocarpium Gypsophila Hackelia Halimolobos Halogeton Harrimanella Hedera Hedysarum Helenium Helianthella Helianthus Heliopsis Heliotropium Helleborus Hemerocallis Hemitomes Hemizonella Heracleum Herniaria Hesperis Hesperochiron Hesperostipa Heteranthera Heterocodon Heterotheca Heuchera Hibiscus Hieracium Hierochloe Hippuris Holcus Holodiscus Holosteum Honckenya Hordeum Horkelia Hornungia Howellia Hulsea Humulus Huperzia Hyacinthoides Hydrilla Hydrocotyle Hydrophyllum Hylotelephium Hymenopappus Hyoscyamus Hypericum Hypochaeris Idahoa Ilex Iliamna Impatiens Inula Ionactis Ipomoea Ipomopsis Iris Isatis Isoetes Isolepis Iva Ivesia Jasione Jaumea Juglans Juncus Juniperus Kalmia Kelloggia Kickxia Kobresia Koeleria Krascheninnikovia Kumlienia Laburnum Lactuca Lagophylla Lamium Lappula Lapsana Larix Lasthenia Lathrocasis Lathyrus Layia Ledum Leersia Lemna Lens Leontodon Leonurus Lepidium Leptarrhena Leptochloa Leptosiphon Lepyrodiclis Lesquerella Leucanthemum Lewisia Leymus Ligusticum Lilaea Lilaeopsis Lilium Limosella Linanthus Linaria Lindernia Linnaea Linum Liparis Lipocarpha Listera Lithophragma Lithospermum Lloydia Lobelia Lobularia Loeflingia Logfia Loiseleuria Lolium Lomatium Lonicera Lotus Ludwigia Luetkea Luina Lunaria Lupinus Luzula Lychnis Lycium Lycopodiella Lycopodium Lycopus Lygodesmia Lysichiton Lysimachia Lythrum Machaeranthera Maclura Madia Mahonia Maianthemum Malcolmia Malus Malva Malvella Marah Marrubium Marsilea Matricaria Mazus Meconella Medicago Melampyrum Melica Melilotus Melissa Mentha Mentzelia Menyanthes Menziesia Mertensia Microseris Microsteris Microthlaspi Mimetanthe Mimulus Minuartia Mirabilis Misopates Mitella Moehringia Moenchia Mollugo Monarda Monardella Moneses Monolepis Monotropa Montia Morella Morus Muhlenbergia Murdannia Muscari Mycelis Myosotis Myosurus Myrica Myriophyllum Najas Nama Nanozostera Narcissus Nasturtium Navarretia Nemophila Nepeta Nephrophyllidium Neslia Nestotus Nicandra Nicotiana Nigella Nitrophila Noccaea Nothocalais Nothochelone Nuphar Nuttallanthus Nymphaea Nymphoides Oemleria Oenanthe Oenothera Olsynium Onobrychis Ononis Onopordum Ophioglossum Oplopanax Opuntia Oreostemma Origanum Ornithogalum Orobanche Orogenia Orthilia Orthocarpus Oryzopsis Osmorhiza Oxalis Oxyria Oxytheca Oxytropis Packera Paeonia Panicum Papaver Parentucellia Parietaria Parnassia Parthenocissus Pascopyrum Paspalum Pastinaca Paxistima Pectocarya Pedicularis Pediocactus Peganum Pellaea Pennisetum Penstemon Pentaglottis Pentagramma Penthorum Perideridia Petasites Petrophytum Petroselinum Phacelia Phalaris Phegopteris Phemeranthus Philadelphus Phleum Phlox Phoenicaulis Phragmites Phyllodoce Phyllospadix Physalis Physaria Physocarpus Physostegia Phytolacca Picea Picris Pilularia Pimpinella Pinguicula Pinus Piperia Piptatherum Pisum Pityopus Plagiobothrys Plantago Platanthera Plectritis Pleuricospora Pleuropogon Poa Polanisia Polemonium Polygonum Polypodium Polypogon Polystichum Populus Portulaca Potamogeton Potentilla Prenanthes Proboscidea Prosartes Prunella Prunus Psathyrostachys Pseudelymus Pseudofumaria Pseudognaphalium Pseudolysimachion Pseudoroegneria Pseudostellaria Pseudotsuga Psilocarphus Psoralidium Pteridium Pterospora Pteryxia Puccinellia Pueraria Pulsatilla Purshia Pyrola Pyrrocoma Pyrus Quercus Rainiera Ranunculus Raphanus Reseda Rhamnus Rhinanthus Rhodiola Rhododendron Rhus Rhynchospora Ribes Rigiopappus Robinia Romanzoffia Rorippa Rosa Rotala Rubus Rudbeckia Rumex Rupertia Ruppia Sagina Sagittaria Salicornia Salix Salsola Salvia Sambucus Samolus Sanguisorba Sanicula Saponaria Sarcobatus Sarcocornia Sarracenia Saussurea Saxifraga Saxifragopsis Scabiosa Scandix Schedonorus Scheuchzeria Schizachyrium Schoenocrambe Schoenoplectus Scirpus Scleranthus Sclerochloa Sclerolinon Scribneria Scrophularia Scutellaria Secale Securigera Sedum Selaginella Senecio Sericocarpus Setaria Shepherdia Sherardia Sibbaldia Sidalcea Silene Silybum Sinapis Sisymbrium Sisyrinchium Sium Smelowskia Solanum Solidago Soliva Sonchus Sorbaria Sorbus Sorghum Sparganium Spartina Spartium Spergula Spergularia Sphaeralcea Sphaerophysa Sphenopholis Spinacia Spiraea Spiranthes Spirodela Sporobolus Stachys Stellaria Stenanthium Stenotus Stephanomeria Streptanthella Streptopus Stuckenia Suaeda Subularia Suksdorfia Sullivantia Swertia Symphoricarpos Symphyotrichum Symphytum Synthyris Taeniatherum Tamarix Tanacetum Taraxacum Tauschia Taxus Teesdalia Tellima Tetradymia Tetragonia Teucrium Thalictrum Thelypodium Thelypteris Thermopsis Thinopyrum Thlaspi Thuja Thymelaea Thymus Thysanocarpus Tiarella Tiquilia Tolmiea Tonella Tonestus Torilis Torreyochloa Townsendia Toxicodendron Tragopogon Trautvetteria Triadenum Triantha Tribulus Trichophorum Trichostema Trientalis Trifolium Triglochin Trillium Triodanis Triphysaria Tripleurospermum Trisetum Triteleia Triticum Trollius Tsuga Turgenia Tussilago Typha Ulex Ulmus Urtica Utricularia Vaccaria Vaccinium Vahlodea Valeriana Valerianella Vallisneria Vancouveria Ventenata Veratrum Verbascum Verbena Veronica Viburnum Vicia Vinca Viola Vitis Vulpia Whipplea Wolffia Wolffiella Woodsia Woodwardia Wyethia Xanthium Xerophyllum Yabea Zannichellia Zea Zigadenus Zizania Zizia Zostera Zygophyllum