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Pinaceae Nyctaginaceae Malvaceae Aceraceae Asteraceae Poaceae Ranunculaceae Acoraceae Pteridaceae Adoxaceae Scrophulariaceae Lamiaceae Rosaceae Caryophyllaceae Simaroubaceae Apiaceae Fabaceae Polemoniaceae Alismataceae Brassicaceae Liliaceae Betulaceae Amaranthaceae Lythraceae Boraginaceae Apocynaceae Primulaceae Saururaceae Araliaceae Viscaceae Ericaceae Papaveraceae Euphorbiaceae Plumbaginaceae Asclepiadaceae Aspleniaceae Dryopteridaceae Chenopodiaceae Azollaceae Berberidaceae Elatinaceae Ophioglossaceae Solanaceae Callitrichaceae Onagraceae Orchidaceae Convolvulaceae Campanulaceae Bignoniaceae Cannabaceae Cyperaceae Verbenaceae Rhamnaceae Ulmaceae Gentianaceae Ceratophyllaceae Pyrolaceae Saxifragaceae Portulacaceae Capparaceae Santalaceae Commelinaceae Orobanchaceae Cornaceae Fumariaceae Crassulaceae Cucurbitaceae Cuscutaceae Cactaceae Dipsacaceae Droseraceae Hydrocharitaceae Pontederiaceae Elaeagnaceae Hydrophyllaceae Ephedraceae Equisetaceae Polygonaceae Geraniaceae Hydrangeaceae Limnanthaceae Oleaceae Frankeniaceae Rubiaceae Crossosomataceae Cistaceae Hippuridaceae Lycopodiaceae Violaceae Clusiaceae Balsaminaceae Iridaceae Isoetaceae Juncaceae Cupressaceae Zygophyllaceae Krameriaceae Lemnaceae Caprifoliaceae Linaceae Moraceae Marsileaceae Loasaceae Menyanthaceae Molluginaceae Monotropaceae Haloragaceae Najadaceae Nymphaeaceae Oxalidaceae Urticaceae Vitaceae Celastraceae Thelypteridaceae Araceae Plantaginaceae Polygalaceae Polypodiaceae Salicaceae Potamogetonaceae Pedaliaceae Rutaceae Dennstaedtiaceae Fagaceae Resedaceae Anacardiaceae Grossulariaceae Ruppiaceae Sapindaceae Selaginellaceae Aizoaceae Smilacaceae Sparganiaceae Tamaricaceae Juncaginaceae Typhaceae Lentibulariaceae Valerianaceae Agavaceae Zannichelliaceae
Abies Abronia Abutilon Acer Achillea Achnatherum Aconitum Acorus Acroptilon Actaea Adiantum Adoxa Aegilops Agalinis Agastache Ageratina Agoseris Agrimonia Agropyron Agrostemma Agrostis Ailanthus Alcea Aletes Alhagi Aliciella Alisma Alliaria Allionia Allium Almutaster Alnus Alopecurus Alyssum Amaranthus Ambrosia Amelanchier Ammannia Amorpha Amsinckia Amsonia Anagallis Anaphalis Anchusa Andropogon Androsace Androstephium Anemone Anemopsis Anethum Angelica Anoda Antennaria Anthemis Anthoxanthum Apera Apios Apocynum Aquilegia Arabis Aralia Arceuthobium Arctium Arctostaphylos Arenaria Argemone Argentina Argyrochosma Argythamnia Aristida Armeria Armoracia Arnica Arrhenatherum Artemisia Asclepias Asparagus Asperugo Asplenium Aster Astragalus Astrolepis Athyrium Atriplex Aurinia Avena Avenula Axyris Azolla Baccharis Bacopa Bahia Balsamorhiza Barbarea Bassia Beckmannia Berberis Bergia Berlandiera Berteroa Berula Besseya Betula Bidens Blepharoneuron Boerhavia Bothriochloa Botrychium Bouteloua Brachypodium Brassica Braya Brickellia Briza Bromus Buglossoides Bupleurum Calamagrostis Calamovilfa Calibrachoa Callirhoe Callitriche Calochortus Caltha Calylophus Calypso Calystegia Camelina Camissonia Campanula Campsis Cannabis Capsella Caragana Cardamine Cardaria Carduus Carex Carthamus Carum Caryopteris Castilleja Catabrosa Catalpa Caulanthus Ceanothus Celtis Cenchrus Centaurea Centaurium Cerastium Ceratocephala Ceratophyllum Cercocarpus Chaenactis Chaenorhinum Chaetopappa Chamaechaenactis Chamaerhodos Chamaesaracha Chamaesyce Chamerion Cheilanthes Chenopodium Chimaphila Chionophila Chloris Chorispora Chrysosplenium Chrysothamnus Cichorium Cicuta Cinna Circaea Cirsium Cistanthe Claytonia Clematis Cleome Cleomella Clinopodium Coleogyne Collinsia Collomia Colutea Comandra Comarum Commelina Conimitella Conioselinum Conium Conopholis Conringia Convolvulus Conyza Corallorhiza Cordylanthus Coreopsis Corispermum Cornus Corydalis Corylus Cosmos Crassula Crataegus Crepis Croton Crypsis Cryptantha Cryptogramma Cucurbita Cuscuta Cyclachaena Cyclanthera Cycloloma Cylindropuntia Cymbalaria Cymopterus Cynodon Cynoglossum Cynosurus Cyperus Cypripedium Cystopteris Dactylis Dactyloctenium Dactylorhiza Dalea Danthonia Dasiphora Dasyochloa Datura Daucus Delphinium Deschampsia Descurainia Desmanthus Desmodium Dianthus Dicentra Dichanthelium Dicoria Digitalis Digitaria Dimorphocarpa Diplotaxis Dipsacus Distichlis Dodecatheon Draba Dracocephalum Drosera Dryas Drymaria Dryopteris Dyssodia Echinacea Echinocereus Echinochloa Echinocystis Echinops Echium Egeria Eichhornia Elaeagnus Elatine Eleocharis Eleusine Ellisia Elodea Elyhordeum Elyleymus Elymus Encelia Enceliopsis Endolepis Engelmannia Enneapogon Ephedra Epilobium Epipactis Equisetum Eragrostis Eremopyrum Eriastrum Ericameria Erigeron Eriochloa Eriodictyon Eriogonum Erioneuron Eriophorum Eritrichium Erodium Eryngium Erysimum Erythronium Eschscholzia Escobaria Eucephalus Euclidium Eupatoriadelphus Euphorbia Eurybia Eustoma Euthamia Eutrema Evax Evolvulus Fagopyrum Fallugia Fendlera Fendlerella Festuca Filipendula Fimbristylis Flaveria Floerkea Forestiera Fragaria Frangula Frankenia Frasera Fraxinus Fritillaria Froelichia Fumaria Funastrum Gaillardia Galega Galeopsis Galinsoga Galium Gaultheria Gaura Gayophytum Gentiana Gentianella Gentianopsis Geranium Geum Gilia Giliastrum Glandularia Glaucium Glaux Glebionis Glechoma Gleditsia Glossopetalon Glyceria Glycyrrhiza Gnaphalium Goodyera Gratiola Grayia Grindelia Guilleminea Gutierrezia Gymnocarpium Gymnosteris Gypsophila Hackelia Halimolobos Halogeton Haploesthes Harbouria Hedeoma Hedysarum Helenium Helianthella Helianthemum Helianthus Helictotrichon Heliomeris Heliopsis Heliotropium Hemerocallis Heracleum Hesperis Hesperochiron Hesperostipa Heteranthera Heterocodon Heterosperma Heterotheca Heuchera Hibiscus Hieracium Hierochloe Hippuris Hoffmannseggia Holcus Holodiscus Holosteum Hordeum Hornungia Humulus Huperzia Hybanthus Hydrophyllum Hymenopappus Hymenoxys Hyoscyamus Hypericum Hypochaeris Hypoxis Hyssopus Iberis Iliamna Impatiens Ipomoea Ipomopsis Iris Isatis Isocoma Isoetes Iva Ivesia Jamesia Juncus Juniperus Kallstroemia Kalmia Knautia Kobresia Koeleria Koenigia Krameria Krascheninnikovia Krigia Lactuca Laennecia Lamium Lappula Lapsana Lathyrus Leersia Lemna Leonurus Lepidium Leptochloa Leptosiphon Lesquerella Leucanthemum Leucocrinum Leucopoa Levisticum Lewisia Leymus Liatris Ligusticum Ligustrum Lilium Limosella Linanthus Linaria Lindernia Linnaea Linum Lipocarpha Listera Lithophragma Lithospermum Lloydia Lobelia Lobularia Lolium Lomatium Lomatogonium Lonicera Lotus Ludwigia Lunaria Lupinus Luzula Lychnis Lycium Lycopodium Lycopus Lycurus Lygodesmia Lysimachia Lythrum Machaeranthera Maclura Madia Mahonia Maianthemum Malacothrix Malaxis Malcolmia Malus Malva Malvella Mammillaria Marrubium Marsilea Matricaria Medicago Melampodium Melica Melilotus Menodora Mentha Mentzelia Menyanthes Mertensia Microseris Microsteris Mimosa Mimulus Minuartia Mirabilis Miscanthus Mitella Moehringia Mollugo Monarda Monardella Moneses Monolepis Monotropa Monroa Montia Morus Muhlenbergia Musineon Myosotis Myosurus Myriophyllum Najas Nama Nassella Nasturtium Navarretia Nemophila Neoparrya Neotorularia Nepeta Nicandra Nicotiana Noccaea Nolina Nothocalais Notholaena Nuphar Nuttallanthus Nymphaea Oenothera Oligoneuron Onobrychis Onoclea Onopordum Onosmodium Oonopsis Opuntia Oreochrysum Oreoxis Orobanche Orogenia Orthilia Orthocarpus Oryzopsis Osmorhiza Oxalis Oxypolis Oxyria Oxytenia Oxytropis Packera Palafoxia Panicum Papaver Parietaria Parnassia Paronychia Parryella Parthenium Parthenocissus Pascopyrum Paspalum Pastinaca Paxistima Pectis Pedicularis Pediocactus Pediomelum Pellaea Pennellia Pennisetum Penstemon Peraphyllum Pericome Perideridia Petasites Petradoria Petrophytum Phacelia Phalaris Phegopteris Phemeranthus Philadelphus Phippsia Phleum Phlox Phoradendron Phragmites Phyla Physalis Physaria Physocarpus Picea Picradeniopsis Picrothamnus Pinus Piperia Piptatherum Pistia Plagiobothrys Plantago Platanthera Platyschkuhria Pleuraphis Poa Podistera Polanisia Polemonium Poliomintha Polygala Polygonum Polypodium Polypogon Polystichum Pomaria Populus Portulaca Potamogeton Potentilla Prenanthella Prenanthes Primula Proatriplex Proboscidea Prosartes Prosopis Prunella Prunus Psathyrostachys Pseudelymus Pseudocymopterus Pseudognaphalium Pseudoroegneria Pseudostellaria Pseudotsuga Psilostrophe Psoralidium Psorothamnus Ptelea Pteridium Pterospora Pteryxia Ptilagrostis Puccinellia Pulsatilla Purshia Pyrola Pyrrocoma Quercus Quincula Ranunculus Raphanus Ratibida Rayjacksonia Redfieldia Reseda Reverchonia Rhamnus Rheum Rhinanthus Rhodiola Rhododendron Rhus Ribes Robinia Rorippa Rosa Rotala Rubus Rudbeckia Rumex Ruppia Saccharum Sagina Sagittaria Salicornia Salix Salsola Salvia Sambucus Sanguisorba Sanicula Sapindus Saponaria Sarcobatus Saussurea Saxifraga Scabrethia Schedonnardus Schedonorus Schizachne Schizachyrium Schkuhria Schoenocrambe Schoenoplectus Scirpus Sclerocactus Sclerochloa Scleropogon Scorzonera Scrophularia Scutellaria Secale Securigera Sedum Selaginella Senecio Sesuvium Setaria Shepherdia Shinnersoseris Sibbaldia Sidalcea Silene Silphium Silybum Sinapis Sisymbrium Sisyrinchium Sium Smelowskia Smilax Solanum Solidago Sonchus Sophora Sorbus Sorghastrum Sorghum Sparganium Spartina Spergula Spergularia Sphaeralcea Sphaeromeria Sphaerophysa Sphenopholis Spiraea Spiranthes Spirodela Sporobolus Stachys Stanleya Stellaria Stenaria Stenogonum Stenosiphon Stenotus Stephanomeria Stillingia Streptanthella Streptanthus Streptopus Strophostyles Stuckenia Suaeda Subularia Suckleya Sullivantia Swertia Symphoricarpos Symphyotrichum Symphytum Syringa Tamarix Tanacetum Taraxacum Telesonix Tetradymia Tetraneuris Teucrium Thalictrum Thamnosma Thelesperma Thellungiella Thelypodiopsis Thelypodium Thermopsis Thinopyrum Thlaspi Thymophylla Thysanocarpus Tidestromia Tiquilia Tonestus Torreyochloa Townsendia Toxicodendron Tradescantia Tragia Tragopogon Trautvetteria Trianthema Tribulus Trichophorum Tridens Trifolium Triglochin Trillium Triodanis Triplasis Tripleurospermum Tripterocalyx Trisetum Triteleia Triticum Trollius Typha Ulmus Urtica Utricularia Vaccaria Vaccinium Vahlodea Valeriana Veratrum Verbascum Verbena Verbesina Vernonia Veronica Viburnum Vicia Viola Vitis Vulpia Wolffia Woodsia Wyethia Xanthium Xylorhiza Yucca Zannichellia Zea Zigadenus Zinnia Zizania Zizia Zuckia Zygophyllum