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Nyctaginaceae Malvaceae Euphorbiaceae Aceraceae Asteraceae Poaceae Acoraceae Ranunculaceae Scrophulariaceae Lamiaceae Rosaceae Caryophyllaceae Alismataceae Brassicaceae Liliaceae Betulaceae Amaranthaceae Lythraceae Fabaceae Boraginaceae Primulaceae Apiaceae Apocynaceae Araliaceae Ericaceae Papaveraceae Araceae Aristolochiaceae Asclepiadaceae Rubiaceae Dryopteridaceae Chenopodiaceae Berberidaceae Ophioglossaceae Butomaceae Callitrichaceae Onagraceae Convolvulaceae Campanulaceae Bignoniaceae Cannabaceae Cyperaceae Juglandaceae Rhamnaceae Celastraceae Ulmaceae Ceratophyllaceae Pteridaceae Capparaceae Polemoniaceae Santalaceae Commelinaceae Orchidaceae Cornaceae Fumariaceae Cuscutaceae Solanaceae Caprifoliaceae Thymelaeaceae Droseraceae Cucurbitaceae Elaeagnaceae Elatinaceae Hydrophyllaceae Hydrocharitaceae Equisetaceae Polygonaceae Geraniaceae Cactaceae Limnanthaceae Oleaceae Gentianaceae Cistaceae Pontederiaceae Saxifragaceae Hippuridaceae Clusiaceae Balsaminaceae Iridaceae Juncaceae Cupressaceae Dipsacaceae Urticaceae Lemnaceae Linaceae Marsileaceae Menispermaceae Loasaceae Menyanthaceae Molluginaceae Monotropaceae Moraceae Haloragaceae Najadaceae Nymphaeaceae Orobanchaceae Pyrolaceae Oxalidaceae Vitaceae Crassulaceae Portulacaceae Verbenaceae Pinaceae Plantaginaceae Podostemaceae Polygalaceae Salicaceae Potamogetonaceae Dennstaedtiaceae Fagaceae Anacardiaceae Grossulariaceae Ruppiaceae Scheuchzeriaceae Selaginellaceae Smilacaceae Sparganiaceae Tamaricaceae Aizoaceae Thelypteridaceae Tiliaceae Zygophyllaceae Juncaginaceae Typhaceae Lentibulariaceae Violaceae Agavaceae Zannichelliaceae Rutaceae
Abronia Abutilon Acalypha Acer Achillea Achnatherum Achnella Acorus Acroptilon Actaea Adenocaulon Aegilops Agalinis Agastache Ageratina Agoseris Agrimonia Agropyron Agrostemma Agrostis Alcea Alisma Alliaria Allium Almutaster Alnus Alopecurus Althaea Alyssum Amaranthus Ambrosia Amelanchier Ammannia Amorpha Amphicarpaea Amsinckia Anagallis Anchusa Andropogon Androsace Anemone Anethum Antennaria Anthemis Anthyllis Apios Apocynum Aquilegia Arabis Aralia Arctium Arctostaphylos Argemone Argentina Arisaema Aristida Armoracia Arnica Artemisia Asarum Asclepias Asparagus Asperugo Asperula Astragalus Athyrium Atriplex Avena Avenula Axyris Bacopa Balsamorhiza Barbarea Bassia Beckmannia Bellis Berberis Berteroa Berula Betula Bidens Boltonia Borago Botrychium Bouteloua Brassica Brickellia Bromus Buglossoides Butomus Calamagrostis Calamovilfa Calla Callirhoe Callitriche Calochortus Caltha Calylophus Calystegia Camelina Campanula Campsis Cannabis Capsella Caragana Cardamine Cardaria Carduus Carex Carthamus Carum Carya Castilleja Catabrosa Catalpa Caulophyllum Ceanothus Celastrus Celtis Cenchrus Centaurea Cerastium Ceratocephala Ceratophyllum Chaenactis Chaenorhinum Chamaerhodos Chamaesyce Chamerion Cheilanthes Chenopodium Chloris Chorispora Cichorium Cicuta Cinna Circaea Cirsium Clematis Cleome Collinsia Collomia Comandra Comarum Commelina Conium Conringia Consolida Convolvulus Conyza Corallorhiza Coreopsis Coriandrum Corispermum Cornus Corydalis Corylus Crataegus Crepis Cryptantha Cryptotaenia Cuscuta Cyclachaena Cycloloma Cymopterus Cynoglossum Cyperus Cypripedium Cystopteris Dactylis Dactylorhiza Dalea Danthonia Dasiphora Datura Daucus Delphinium Deschampsia Descurainia Desmanthus Desmodium Dianthus Dicentra Dichanthelium Diervilla Digitaria Dirca Distichlis Dodecatheon Doellingeria Draba Dracocephalum Dracopis Drosera Dryopteris Dyssodia Echinacea Echinochloa Echinocystis Elaeagnus Elatine Eleocharis Eleusine Ellisia Elodea Elsholtzia Elyhordeum Elymus Endolepis Epilobium Equisetum Eragrostis Ericameria Erigeron Eriodictyon Eriogonum Eriophorum Erodium Eruca Erucastrum Erysimum Escobaria Euonymus Eupatoriadelphus Eupatorium Euphorbia Euthamia Evolvulus Fagopyrum Festuca Floerkea Fragaria Fraxinus Fritillaria Fumaria Gaillardia Galeopsis Galinsoga Galium Gaura Gentiana Gentianella Gentianopsis Geranium Geum Glaux Glechoma Gleditsia Glyceria Glycyrrhiza Gnaphalium Gratiola Grindelia Gutierrezia Gymnocarpium Gymnocladus Gypsophila Hackelia Halenia Halimodendron Hedeoma Hedysarum Helenium Helianthemum Helianthus Heliopsis Heliotropium Heracleum Hesperis Hesperostipa Heteranthera Heterotheca Heuchera Hibiscus Hieracium Hierochloe Hippuris Holcus Hordeum Houstonia Hudsonia Humulus Hydrophyllum Hymenopappus Hymenoxys Hyoscyamus Hypericum Hypoxis Impatiens Ipomoea Ipomopsis Iris Iva Juglans Juncus Juniperus Knautia Koeleria Krascheninnikovia Lactuca Lamium Laportea Lappula Lapsana Lathyrus Lavatera Lechea Ledum Leersia Lemna Leonurus Lepidium Leptochloa Lesquerella Leucanthemum Leucocrinum Liatris Lilium Limosella Linaria Lindernia Linnaea Linum Liparis Lipocarpha Lithospermum Lobelia Lolium Lomatium Lonicera Lotus Lupinus Luzula Lychnis Lycium Lycopus Lygodesmia Lysimachia Lythrum Machaeranthera Madia Mahonia Maianthemum Malva Marsilea Matricaria Matteuccia Medicago Melilotus Menispermum Mentha Mentzelia Menyanthes Mertensia Mimosa Mimulus Minuartia Mirabilis Mitella Moehringia Mollugo Monarda Monolepis Monotropa Monroa Morus Muhlenbergia Musineon Myosurus Myriophyllum Najas Nassella Navarretia Nepeta Neslia Nothocalais Nuphar Nuttallanthus Oenothera Oligoneuron Onoclea Onosmodium Ophioglossum Opuntia Orobanche Orthilia Orthocarpus Oryzopsis Osmorhiza Ostrya Oxalis Oxytropis Packera Panicum Papaver Parietaria Parnassia Paronychia Parthenocissus Pascopyrum Pastinaca Pedicularis Pediomelum Pellaea Pennisetum Penstemon Penthorum Petasites Phacelia Phalaris Phemeranthus Phleum Phlomis Phlox Phragmites Phryma Physalis Physaria Physocarpus Physostegia Picradeniopsis Picris Pilea Pinus Piptatherum Plagiobothrys Plantago Platanthera Poa Podostemum Pogonia Polanisia Polemonium Polygala Polygonatum Polygonum Polypogon Polytaenia Populus Portulaca Potamogeton Potentilla Prenanthes Primula Prosartes Prunella Prunus Psathyrostachys Pseudolysimachion Pseudoroegneria Psoralidium Pteridium Puccinellia Pulsatilla Pycnanthemum Pyrola Pyrrocoma Quercus Ranunculus Raphanus Ratibida Redfieldia Rhamnus Rhinanthus Rhus Rhynchospora Ribes Robinia Rorippa Rosa Rubus Rudbeckia Rumex Ruppia Sagittaria Salicornia Salix Salsola Salvia Sambucus Sanguinaria Sanicula Saponaria Sarcobatus Schedonnardus Schedonorus Scheuchzeria Schizachne Schizachyrium Schoenoplectus Scirpus Scolochloa Scrophularia Scutellaria Secale Selaginella Senecio Setaria Shepherdia Shinnersoseris Sibbaldiopsis Sicyos Silene Silphium Sinapis Sisymbrium Sisyrinchium Sium Smilax Solanum Solidago Sonchus Sorbus Sorghastrum Sorghum Sparganium Spartina Spergula Spergularia Sphaeralcea Sphenopholis Spiraea Spiranthes Spirodela Sporobolus Stachys Stanleya Stellaria Stenotus Stephanomeria Strophostyles Stuckenia Suaeda Suckleya Symphoricarpos Symphyotrichum Tamarix Tanacetum Taraxacum Tetragonia Tetraneuris Teucrium Thalictrum Thelesperma Thelypodium Thelypteris Thermopsis Thesium Thinopyrum Thlaspi Tilia Townsendia Toxicodendron Tradescantia Tragopogon Triantha Tribulus Trifolium Triglochin Trillium Triodanis Triplasis Tripleurospermum Tripterocalyx Typha Ulmus Urtica Utricularia Uvularia Vaccaria Vallisneria Verbascum Verbena Verbesina Vernonia Veronica Veronicastrum Viburnum Vicia Viola Vitis Vulpia Wolffia Woodsia Xanthium Yucca Zannichellia Zanthoxylum Zigadenus Zizania Zizia