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Pinaceae Nyctaginaceae Malvaceae Fabaceae Asteraceae Aceraceae Poaceae Caryophyllaceae Ranunculaceae Pteridaceae Adoxaceae Lamiaceae Agavaceae Simaroubaceae Apiaceae Polemoniaceae Alismataceae Chenopodiaceae Brassicaceae Liliaceae Betulaceae Verbenaceae Amaranthaceae Rosaceae Lythraceae Boraginaceae Apocynaceae Primulaceae Saururaceae Scrophulariaceae Araliaceae Viscaceae Papaveraceae Ericaceae Asclepiadaceae Aspleniaceae Dryopteridaceae Azollaceae Berberidaceae Elatinaceae Urticaceae Ophioglossaceae Cucurbitaceae Buddlejaceae Solanaceae Callitrichaceae Onagraceae Orchidaceae Convolvulaceae Campanulaceae Bignoniaceae Cannabaceae Cyperaceae Rhamnaceae Ulmaceae Gentianaceae Valerianaceae Polygonaceae Ceratophyllaceae Euphorbiaceae Pyrolaceae Portulacaceae Capparaceae Santalaceae Cornaceae Fumariaceae Anacardiaceae Crassulaceae Iridaceae Cupressaceae Cuscutaceae Cactaceae Saxifragaceae Hydrangeaceae Ebenaceae Dipsacaceae Hydrocharitaceae Elaeagnaceae Hydrophyllaceae Ephedraceae Equisetaceae Geraniaceae Loasaceae Zygophyllaceae Fagaceae Limnanthaceae Oleaceae Frankeniaceae Rubiaceae Garryaceae Crossosomataceae Hippuridaceae Clusiaceae Isoetaceae Juglandaceae Juncaceae Sapindaceae Caprifoliaceae Krameriaceae Lemnaceae Linaceae Lycopodiaceae Moraceae Marsileaceae Meliaceae Menyanthaceae Molluginaceae Celastraceae Haloragaceae Najadaceae Nymphaeaceae Orobanchaceae Oxalidaceae Paeoniaceae Vitaceae Passifloraceae Plantaginaceae Polygalaceae Polypodiaceae Salicaceae Potamogetonaceae Pedaliaceae Rutaceae Dennstaedtiaceae Monotropaceae Punicaceae Resedaceae Grossulariaceae Ruppiaceae Selaginellaceae Aizoaceae Simmondsiaceae Sparganiaceae Tamaricaceae Commelinaceae Juncaginaceae Typhaceae Lentibulariaceae Violaceae Zannichelliaceae
Abies Abronia Abutilon Acacia Acamptopappus Acer Achillea Achnatherum Achyronychia Aconitum Acourtia Acroptilon Actaea Adenophyllum Adiantum Adonis Adoxa Aegilops Agastache Agave Ageratina Agoseris Agropyron Agrostis Ailanthus Ajuga Albizia Alcea Aletes Alhagi Aliciella Alisma Allenrolfea Alliaria Allionia Allium Allophyllum Almutaster Alnus Alopecurus Aloysia Alyssum Amaranthus Amberboa Ambrosia Amelanchier Ammannia Amorpha Amphipappus Amsinckia Amsonia Anagallis Anaphalis Anchusa Andropogon Androsace Androstephium Anemone Anemopsis Angelica Antennaria Anthemis Antheropeas Anthyllis Antirrhinum Apera Apium Apocynum Aquilegia Arabidopsis Arabis Arachis Aralia Arceuthobium Arctium Arctomecon Arctostaphylos Arenaria Argemone Argentina Argyrochosma Aristida Armoracia Arnica Arrhenatherum Artemisia Arundo Asclepias Asparagus Asperugo Aspidotis Asplenium Astragalus Athyrium Athysanus Atrichoseris Atriplex Aubrieta Aurinia Avena Azolla Baccharis Bahia Baileya Balsamorhiza Barbarea Bassia Bebbia Beckmannia Bellis Berberis Bergia Berteroa Berula Besseya Beta Betula Bidens Blepharidachne Blepharoneuron Boehmeria Boerhavia Borago Bothriochloa Botrychium Bouteloua Brassica Brickellia Bromus Bryonia Buddleja Buglossoides Caesalpinia Calamagrostis Calamovilfa Calibrachoa Callitriche Calochortus Caltha Calycoseris Calylophus Calypso Calystegia Camassia Camelina Camissonia Campanula Campsis Cannabis Capsella Capsicum Caragana Cardamine Cardaria Carduus Carex Carthamus Carum Castilleja Catabrosa Catalpa Caulanthus Ceanothus Celosia Celtis Cenchrus Centaurea Centaurium Centranthus Centrostegia Cerastium Ceratocephala Ceratophyllum Cercis Cercocarpus Chaenactis Chaetopappa Chamaebatiaria Chamaechaenactis Chamaerhodos Chamaesaracha Chamaesyce Chamerion Cheilanthes Chelidonium Chenopodium Chilopsis Chimaphila Chionodoxa Chloracantha Chloris Chlorocrambe Chorispora Chorizanthe Chrysothamnus Cichorium Cicuta Cinna Circaea Cirsium Cistanthe Citrullus Cladium Clarkia Claytonia Clematis Cleome Cleomella Clinopodium Cnicus Colchicum Coleogyne Collinsia Collomia Colutea Comandra Comarum Conioselinum Conium Conringia Consolida Convallaria Convolvulus Conyza Corallorhiza Cordylanthus Corispermum Cornus Cortaderia Corydalis Cosmos Cotinus Cotula Crassula Crataegus Crepis Cressa Crocus Crotalaria Croton Crypsis Cryptantha Cryptogramma Cucumis Cucurbita Cupressus Cuscuta Cusickiella Cyclachaena Cycladenia Cycloloma Cylindropuntia Cymbalaria Cymopterus Cynanchum Cynodon Cynoglossum Cyperus Cypripedium Cystopteris Cytisus Dactylis Dactylorhiza Dalea Danthonia Darmera Dasiphora Dasyochloa Datura Daucus Delphinium Deschampsia Descurainia Desmanthus Deutzia Dianthus Dicentra Dichanthelium Dichelostemma Dicoria Didiplis Digitalis Digitaria Dimorphocarpa Diospyros Diplotaxis Dipsacus Distichlis Dodecatheon Downingia Draba Dracocephalum Dryas Dryopteris Dudleya Dyssodia Echinocactus Echinocereus Echinochloa Echinocystis Echinodorus Echinomastus Echium Egeria Elaeagnus Elatine Eleocharis Eleusine Eleutherococcus Elodea Elyhordeum Elymus Emmenanthe Encelia Enceliopsis Enneapogon Ephedra Epilobium Epipactis Equisetum Eragrostis Eremalche Eremocrinum Eremopyrum Eriastrum Ericameria Erigeron Eriochloa Eriodictyon Eriogonum Erioneuron Eriophorum Eriophyllum Eritrichium Erodium Eruca Erucastrum Erysimum Erythronium Eschscholzia Escobaria Eucephalus Euclidium Eucnide Eucrypta Eupatoriadelphus Euphorbia Eurybia Euthamia Evolvulus Fagonia Fagus Fallugia Fendlera Fendlerella Ferocactus Festuca Fimbristylis Flaveria Floerkea Foeniculum Forestiera Forsythia Fragaria Frangula Frankenia Frasera Fraxinus Fritillaria Fumaria Funastrum Gaillardia Galanthus Galega Galium Garrya Gaultheria Gaura Gayophytum Gentiana Gentianella Gentianopsis Geraea Geranium Geum Gilia Glandularia Glaucocarpum Glaux Glechoma Gleditsia Glossopetalon Glyceria Glycyrrhiza Glyptopleura Gnaphalium Goodyera Gratiola Grayia Grindelia Grusonia Guillenia Gutierrezia Gymnocarpium Gymnosteris Gypsophila Hackelia Hakonechloa Halimodendron Halimolobos Halogeton Hedeoma Hedera Hedysarum Helenium Helianthella Helianthus Helictotrichon Heliomeris Heliotropium Hemerocallis Heracleum Herniaria Hesperis Hesperochiron Hesperodoria Hesperostipa Heterotheca Heuchera Hibiscus Hieracium Hierochloe Hippuris Hoffmannseggia Holcus Holodiscus Holosteum Hordeum Hornungia Houstonia Hulsea Humulus Hyacinthus Hydrocotyle Hydrophyllum Hymenoclea Hymenopappus Hymenoxys Hyoscyamus Hypericum Hypochaeris Iberis Iliamna Imperata Inula Ionactis Ipomoea Ipomopsis Iris Isatis Isocoma Isoetes Iva Ivesia Jamesia Johanneshowellia Juglans Juncus Juniperus Kallstroemia Kalmia Kelloggia Kerria Knautia Kobresia Koeleria Koelreuteria Kolkwitzia Krameria Krascheninnikovia Laburnum Lactuca Laennecia Lagophylla Lamium Langloisia Lantana Lappula Lapsana Larix Larrea Lathrocasis Lathyrus Layia Ledum Leersia Lemna Leonurus Lepidium Lepidospartum Leptochloa Leptosiphon Lesquerella Leucanthemum Leucocrinum Leucopoa Lewisia Leymus Ligusticum Ligustrum Lilium Limosella Linanthus Linaria Linnaea Linum Lipocarpha Listera Lithophragma Lithospermum Lloydia Lobelia Lobularia Loeflingia Loeseliastrum Logfia Lolium Lomatium Lomatogonium Lonicera Lotus Lunaria Lupinus Luzula Lycium Lycopodium Lycopus Lycurus Lygodesmia Lysimachia Lythrum Machaeranthera Maclura Madia Mahonia Maianthemum Malacothrix Malcolmia Malus Malva Malvella Mammillaria Marrubium Marsilea Matricaria Maurandella Medicago Melia Melica Melilotus Menodora Mentha Mentzelia Menyanthes Mertensia Microseris Microsteris Mimetanthe Mimulus Minuartia Mirabilis Misopates Mitella Moehringia Mohavea Mollugo Moluccella Monarda Monardella Moneses Monolepis Monoptilon Monroa Montia Mortonia Morus Muhlenbergia Muscari Musineon Myosotis Myosurus Myriophyllum Najas Nama Narcissus Nassella Nasturtium Navarretia Nemacladus Nemophila Neogaerrhinum Nepeta Nerium Nicotiana Nitrophila Noccaea Nolina Nothocalais Nuphar Nuttallanthus Nymphaea Oenothera Olsynium Onobrychis Onopordum Onosmodium Opuntia Oreochrysum Oreoxis Ornithogalum Orobanche Orogenia Orthilia Orthocarpus Oryzopsis Osmorhiza Ostrya Oxalis Oxypolis Oxyria Oxytenia Oxytheca Oxytropis Packera Paeonia Palafoxia Panicum Papaver Parietaria Parkinsonia Parnassia Paronychia Parrya Parryella Parthenium Parthenocissus Pascopyrum Paspalum Passiflora Pastinaca Paxistima Pectis Pectocarya Pedicularis Pediocactus Pediomelum Pellaea Pennisetum Penstemon Pentagramma Peraphyllum Perideridia Perityle Petalonyx Peteria Petradoria Petrophytum Petroselinum Petunia Peucephyllum Phacelia Phalaris Phaseolus Phemeranthus Philadelphus Phleum Phlox Phoradendron Phragmites Phyla Physalis Physaria Physocarpus Physostegia Picea Picrothamnus Pinus Piperia Piptatherum Pistacia Pisum Plagiobothrys Plantago Platanthera Platyschkuhria Platystemon Plectritis Pleiacanthus Pleuraphis Pleurocoronis Pluchea Poa Podistera Polanisia Polemonium Poliomintha Polygala Polygonum Polypodium Polypogon Polystichum Populus Porophyllum Porterella Portulaca Potamogeton Potentilla Prenanthella Primula Proatriplex Proboscidea Prosartes Prosopis Prunella Prunus Psathyrostachys Psathyrotes Pseudelymus Pseudocymopterus Pseudognaphalium Pseudoroegneria Pseudostellaria Pseudotsuga Psilocarphus Psilostrophe Psoralidium Psorothamnus Ptelea Pteridium Pterospora Pterostegia Pteryxia Puccinellia Pulsatilla Punica Purshia Pyracantha Pyrola Pyrrocoma Pyrus Quercus Quincula Rafinesquia Ranunculus Raphanus Ratibida Redfieldia Reseda Reverchonia Rhamnus Rheum Rhodiola Rhus Ribes Ricinus Rigiopappus Robinia Roemeria Rorippa Rosa Rubia Rubus Rudbeckia Rumex Ruppia Saccharum Sagina Sagittaria Sairocarpus Salazaria Salicornia Salix Salsola Salvia Sambucus Samolus Sanguisorba Saponaria Sarcobatus Sarcocornia Saxifraga Scabrethia Schedonnardus Schedonorus Schismus Schizachne Schizachyrium Schoenocrambe Schoenoplectus Scilla Scirpus Sclerocactus Sclerochloa Scleropogon Scrophularia Scutellaria Secale Securigera Sedum Selaginella Selinocarpus Sempervivum Senecio Sesuvium Setaria Shepherdia Shinnersoseris Sibbaldia Sidalcea Silene Simmondsia Sinapis Sisymbrium Sisyrinchium Sium Smelowskia Solanum Solidago Sonchus Sophora Sorbus Sorghastrum Sorghum Sparganium Spartina Spergularia Sphaeralcea Sphaeromeria Sphaerophysa Sphenopholis Spinacia Spiraea Spiranthes Spirodela Sporobolus Stachys Stanleya Stellaria Stenogonum Stenotus Stephanomeria Streptanthella Streptanthus Streptopus Stuckenia Stylocline Suaeda Subularia Swertia Symphoricarpos Symphyotrichum Symphytum Synthyris Syntrichopappus Syringa Taeniatherum Tagetes Tamarix Tanacetum Taraxacum Telesonix Tetradymia Tetraneuris Teucrium Thalictrum Thamnosma Thelesperma Thelypodiopsis Thelypodium Thermopsis Thinopyrum Thlaspi Thymophylla Thymus Thysanocarpus Tidestromia Tiquilia Tonestus Torilis Torreyochloa Townsendia Toxicodendron Tradescantia Tragia Tragopogon Trautvetteria Trianthema Tribulus Tricardia Trichophorum Tridens Trifolium Triglochin Trigonella Triodanis Tripleurospermum Tripterocalyx Trisetum Triteleia Triticum Trollius Typha Ulmus Urtica Utricularia Vaccaria Vaccinium Valeriana Valerianella Vanclevea Ventenata Veratrum Verbascum Verbena Verbesina Vernonia Veronica Vicia Vinca Viola Vitis Vulpia Wolffia Woodsia Wyethia Xanthium Xylorhiza Yabea Yucca Zannichellia Zea Zigadenus Zinnia Zizia Ziziphus Zuckia