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Pinaceae Nyctaginaceae Malvaceae Aceraceae Asteraceae Poaceae Lamiaceae Ranunculaceae Acoraceae Pteridaceae Adoxaceae Apiaceae Rosaceae Caryophyllaceae Polemoniaceae Alismataceae Liliaceae Monotropaceae Betulaceae Brassicaceae Amaranthaceae Orchidaceae Lythraceae Fabaceae Boraginaceae Primulaceae Apocynaceae Araliaceae Viscaceae Ericaceae Papaveraceae Aristolochiaceae Asclepiadaceae Aspleniaceae Dryopteridaceae Chenopodiaceae Scrophulariaceae Berberidaceae Ophioglossaceae Saxifragaceae Cabombaceae Cucurbitaceae Butomaceae Callitrichaceae Onagraceae Convolvulaceae Campanulaceae Cannabaceae Cyperaceae Rhamnaceae Celastraceae Ulmaceae Gentianaceae Ceratophyllaceae Euphorbiaceae Pyrolaceae Portulacaceae Capparaceae Santalaceae Cornaceae Fumariaceae Crassulaceae Rubiaceae Cuscutaceae Thymelaeaceae Solanaceae Dipsacaceae Droseraceae Elaeagnaceae Elatinaceae Hydrophyllaceae Hydrocharitaceae Equisetaceae Polygonaceae Geraniaceae Cactaceae Limnanthaceae Oleaceae Crossosomataceae Pontederiaceae Hippuridaceae Lycopodiaceae Clusiaceae Balsaminaceae Iridaceae Isoetaceae Juncaceae Cupressaceae Lemnaceae Juncaginaceae Caprifoliaceae Linaceae Araceae Marsileaceae Loasaceae Menyanthaceae Molluginaceae Moraceae Haloragaceae Najadaceae Nymphaeaceae Orobanchaceae Oxalidaceae Paeoniaceae Urticaceae Vitaceae Zygophyllaceae Thelypteridaceae Hydrangeaceae Lentibulariaceae Plantaginaceae Valerianaceae Polygalaceae Polypodiaceae Salicaceae Potamogetonaceae Dennstaedtiaceae Fagaceae Resedaceae Anacardiaceae Grossulariaceae Ruppiaceae Scheuchzeriaceae Selaginellaceae Smilacaceae Sparganiaceae Tamaricaceae Taxaceae Commelinaceae Typhaceae Verbenaceae Violaceae Agavaceae Zannichelliaceae
Abies Abronia Abutilon Acer Achillea Achnatherum Achnella Acinos Aconitum Acorus Acroptilon Actaea Adenocaulon Adiantum Adonis Adoxa Aegilops Aegopodium Agastache Ageratina Agoseris Agrimonia Agropyron Agrostemma Agrostis Alcea Alchemilla Aliciella Alisma Allium Allotropa Alnus Alopecurus Alyssum Amaranthus Ambrosia Amelanchier Amerorchis Ammannia Amorpha Amphicarpaea Amsinckia Anagallis Anaphalis Anchusa Andropogon Androsace Anemone Anethum Angelica Antennaria Anthemis Anthoxanthum Anthriscus Apera Apocynum Aquilegia Arabidopsis Arabis Aralia Arceuthobium Arctium Arctostaphylos Arenaria Argemone Argentina Aristida Armoracia Arnica Arrhenatherum Artemisia Asarum Asclepias Asparagus Asperugo Aspidotis Asplenium Astragalus Athyrium Athysanus Atriplex Avena Avenula Axyris Bacopa Balsamorhiza Barbarea Bassia Beckmannia Bellis Berberis Berteroa Berula Besseya Beta Betula Bidens Borago Botrychium Bouteloua Boykinia Brasenia Brassica Brickellia Bromus Bryonia Buglossoides Bupleurum Butomus Calamagrostis Calamovilfa Callitriche Calochortus Caltha Calylophus Calypso Calystegia Camassia Camelina Camissonia Campanula Canadanthus Cannabis Capsella Caragana Cardamine Cardaria Carduus Carex Carthamus Carum Cassiope Castilleja Catabrosa Ceanothus Celastrus Celtis Cenchrus Centaurea Centaurium Cerastium Ceratocephala Ceratophyllum Cercocarpus Chaenactis Chaenomeles Chaenorhinum Chamaerhodos Chamaesyce Chamerion Cheilanthes Chelidonium Chenopodium Chimaphila Chionophila Chondrilla Chorispora Chrysosplenium Chrysothamnus Cichorium Cicuta Cinna Circaea Cirsium Cistanthe Clarkia Claytonia Clematis Cleome Clinopodium Clintonia Collinsia Collomia Comandra Comarum Conimitella Conioselinum Conium Conringia Consolida Convallaria Convolvulus Conyza Coptis Corallorhiza Cordylanthus Coreopsis Coriandrum Corispermum Cornus Corydalis Corylus Cotoneaster Crassula Crataegus Crepis Cruciata Crypsis Cryptantha Cryptogramma Cucumis Cuscuta Cyclachaena Cycloloma Cymopterus Cynodon Cynoglossum Cynosurus Cyperus Cypripedium Cystopteris Cytisus Dactylis Dactylorhiza Dalea Danthonia Daphne Dasiphora Datura Daucus Delairea Delphinium Deschampsia Descurainia Dianthus Dicentra Dichanthelium Digitalis Digitaria Diplotaxis Dipsacus Distichlis Dodecatheon Douglasia Downingia Draba Dracocephalum Drosera Dryas Dryopteris Dulichium Dyssodia Echinacea Echinochloa Echinocystis Echinops Echium Elaeagnus Elatine Eleocharis Ellisia Elodea Elyhordeum Elymus Endolepis Epilobium Epipactis Equisetum Eragrostis Eremopyrum Ericameria Erigeron Eriodictyon Eriogonum Eriophorum Eriophyllum Eritrichium Erodium Eruca Erucastrum Erysimum Erythronium Escobaria Eucephalus Euclidium Euonymus Eupatoriadelphus Euphorbia Euphrasia Eurybia Eustoma Euthamia Evax Evolvulus Fagopyrum Festuca Floerkea Forsythia Fragaria Frangula Frasera Fraxinus Fritillaria Fumaria Gaillardia Galeopsis Galinsoga Galium Gamochaeta Gaultheria Gaura Gayophytum Gentiana Gentianella Gentianopsis Geocaulon Geranium Geum Gilia Githopsis Glaucium Glaux Glechoma Gleditsia Glossopetalon Glyceria Glycyrrhiza Gnaphalium Goodyera Gratiola Grayia Grindelia Gutierrezia Gymnocarpium Gymnosteris Gypsophila Hackelia Halenia Halimodendron Halimolobos Halogeton Hedeoma Hedysarum Helenium Helianthella Helianthus Heliomeris Heliotropium Hemerocallis Hemizonella Heracleum Hesperis Hesperochiron Hesperostipa Heteranthera Heterocodon Heterotheca Heuchera Hibiscus Hieracium Hierochloe Hippuris Holcus Holodiscus Holosteum Hordeum Horkelia Hornungia Howellia Hulsea Humulus Huperzia Hydrophyllum Hymenopappus Hymenoxys Hyoscyamus Hypericum Hypochaeris Hyssopus Iberis Idahoa Iliamna Impatiens Ionactis Ipomoea Ipomopsis Iris Isatis Isoetes Iva Ivesia Juncus Juniperus Kalmia Kelloggia Kelseya Kickxia Knautia Kobresia Koeleria Koenigia Krascheninnikovia Lactuca Lagophylla Lamium Lappula Lapsana Larix Lathrocasis Lathyrus Ledum Leersia Lemna Leontodon Leonurus Lepidium Leptarrhena Leptochloa Leptosiphon Lesquerella Leucanthemum Leucocrinum Leucopoa Lewisia Leymus Liatris Ligusticum Ligustrum Lilaea Lilium Limosella Linanthus Linaria Linnaea Linum Liparis Lipocarpha Listera Lithophragma Lithospermum Lloydia Lobelia Lobularia Logfia Lolium Lomatium Lomatogonium Lonicera Lotus Luetkea Lunaria Lupinus Luzula Lychnis Lycium Lycopodiella Lycopodium Lycopus Lygodesmia Lysichiton Lysimachia Lythrum Machaeranthera Madia Mahonia Maianthemum Malacothrix Malcolmia Malus Malva Marrubium Marsilea Matricaria Medicago Melampyrum Melica Melilotus Melissa Mentha Mentzelia Menyanthes Menziesia Mertensia Microseris Microsteris Mimulus Minuartia Mirabilis Mitella Moehringia Mollugo Monarda Monardella Moneses Monolepis Monotropa Monroa Montia Morus Muhlenbergia Musineon Myosotis Myosurus Myriophyllum Najas Nama Nassella Nasturtium Navarretia Nemophila Neotorularia Nepeta Nicotiana Nigella Noccaea Nothocalais Nuphar Nuttallanthus Nymphaea Oenothera Oligoneuron Onobrychis Onopordum Onosmodium Oonopsis Ophioglossum Oplopanax Opuntia Oreostemma Orobanche Orogenia Orthilia Orthocarpus Oryzopsis Osmorhiza Oxalis Oxyria Oxytropis Packera Paeonia Panicum Papaver Parietaria Parnassia Paronychia Parthenocissus Pascopyrum Paspalum Pastinaca Paxistima Pedicularis Pediocactus Pediomelum Peganum Pellaea Pennisetum Penstemon Perideridia Petasites Petrophytum Petroselinum Phacelia Phalaris Phaseolus Phegopteris Philadelphus Phippsia Phleum Phlox Phragmites Phyllodoce Physalis Physaria Physocarpus Physostegia Picea Picradeniopsis Picris Picrothamnus Pimpinella Pinguicula Pinus Piperia Piptatherum Plagiobothrys Plantago Platanthera Platyschkuhria Plectritis Pleiacanthus Poa Polanisia Polemonium Polygala Polygonatum Polygonum Polypodium Polypogon Polystichum Populus Portulaca Potamogeton Potentilla Prenanthes Primula Prosartes Prunella Prunus Psathyrostachys Pseudelymus Pseudognaphalium Pseudolysimachion Pseudoroegneria Pseudostellaria Pseudotsuga Psilocarphus Psoralidium Pteridium Pterospora Pteryxia Puccinellia Pulsatilla Purshia Pyrola Pyrrocoma Pyrus Quercus Ranunculus Raphanus Ratibida Redfieldia Reseda Rhamnus Rhinanthus Rhodiola Rhododendron Rhus Ribes Robinia Romanzoffia Rorippa Rosa Rotala Rubus Rudbeckia Rumex Ruppia Sagina Sagittaria Salicornia Salix Salsola Salvia Sambucus Sanguisorba Sanicula Saponaria Sarcobatus Saussurea Saxifraga Scabrethia Schedonnardus Schedonorus Scheuchzeria Schizachne Schizachyrium Schoenocrambe Schoenoplectus Scirpus Scleranthus Sclerochloa Scolochloa Scorzonera Scrophularia Scutellaria Secale Securigera Sedum Selaginella Senecio Setaria Shepherdia Shoshonea Sibbaldia Sidalcea Silene Sinapis Sisymbrium Sisyrinchium Sium Smelowskia Smilax Solanum Solidago Sonchus Sorbus Sorghastrum Sorghum Sparganium Spartina Spergula Spergularia Sphaeralcea Sphaeromeria Sphaerophysa Sphenopholis Spiraea Spiranthes Spirodela Sporobolus Stachys Stanleya Stellaria Stenanthium Stenogonum Stenotus Stephanomeria Streptanthella Streptopus Stuckenia Suaeda Suckleya Suksdorfia Sullivantia Swertia Symphoricarpos Symphyotrichum Symphytum Synthyris Taeniatherum Tagetes Tamarix Tanacetum Taraxacum Taxus Telesonix Tellima Tephroseris Tetradymia Tetraneuris Teucrium Thalictrum Thelesperma Thellungiella Thelypodium Thermopsis Thesium Thinopyrum Thlaspi Thuja Thymus Tiarella Tofieldia Tonestus Torreyochloa Townsendia Toxicodendron Tradescantia Tragopogon Trautvetteria Triantha Tribulus Trichophorum Trifolium Triglochin Trillium Triodanis Tripleurospermum Tripterocalyx Trisetum Triteleia Triticum Trollius Tsuga Typha Ulmus Urtica Utricularia Vaccaria Vaccinium Vahlodea Valeriana Valerianella Ventenata Veratrum Verbascum Verbena Verbesina Vernonia Veronica Viburnum Vicia Vinca Viola Vitis Vulpia Waldsteinia Wolffia Woodsia Wyethia Xanthium Xerophyllum Xylorhiza Yucca Zannichellia Zea Zigadenus Zizania Zizia Zygophyllum