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Pinaceae Nyctaginaceae Malvaceae Fabaceae Euphorbiaceae Aceraceae Asteraceae Poaceae Ranunculaceae Pteridaceae Rhamnaceae Adoxaceae Scrophulariaceae Lamiaceae Agavaceae Rosaceae Caryophyllaceae Simaroubaceae Apiaceae Polemoniaceae Alismataceae Chenopodiaceae Liliaceae Betulaceae Verbenaceae Amaranthaceae Brassicaceae Lythraceae Bixaceae Vitaceae Boraginaceae Apocynaceae Primulaceae Saururaceae Acanthaceae Crossosomataceae Cucurbitaceae Araliaceae Ericaceae Viscaceae Papaveraceae Aristolochiaceae Asclepiadaceae Malpighiaceae Aspleniaceae Dryopteridaceae Sterculiaceae Azollaceae Berberidaceae Elatinaceae Urticaceae Ophioglossaceae Rubiaceae Buddlejaceae Cyperaceae Portulacaceae Solanaceae Callitrichaceae Onagraceae Orchidaceae Convolvulaceae Campanulaceae Cannabaceae Bignoniaceae Ulmaceae Gentianaceae Ceratophyllaceae Loasaceae Pyrolaceae Rutaceae Polygonaceae Capparaceae Santalaceae Commelinaceae Orobanchaceae Cornaceae Fumariaceae Cactaceae Crassulaceae Cupressaceae Cuscutaceae Dipsacaceae Hydrocharitaceae Elaeagnaceae Hydrophyllaceae Ephedraceae Equisetaceae Geraniaceae Hydrangeaceae Oleaceae Fouquieriaceae Frankeniaceae Garryaceae Pontederiaceae Saxifragaceae Hippuridaceae Lycopodiaceae Violaceae Clusiaceae Iridaceae Isoetaceae Juglandaceae Juncaceae Zygophyllaceae Krameriaceae Cistaceae Lemnaceae Plumbaginaceae Caprifoliaceae Linaceae Moraceae Marsileaceae Meliaceae Menyanthaceae Loganiaceae Molluginaceae Polygalaceae Monotropaceae Celastraceae Haloragaceae Najadaceae Nymphaeaceae Resedaceae Oxalidaceae Passifloraceae Phytolaccaceae Rafflesiaceae Plantaginaceae Platanaceae Polypodiaceae Salicaceae Potamogetonaceae Pedaliaceae Dennstaedtiaceae Fagaceae Anacardiaceae Grossulariaceae Ruppiaceae Salviniaceae Sapindaceae Scheuchzeriaceae Selaginellaceae Aizoaceae Sapotaceae Sparganiaceae Tamaricaceae Bromeliaceae Juncaginaceae Typhaceae Lentibulariaceae Valerianaceae Zannichelliaceae
Abies Abronia Abutilon Acacia Acalypha Acer Achillea Achnatherum Acleisanthes Aconitum Acourtia Acroptilon Actaea Adenophyllum Adiantum Adolphia Adoxa Aegilops Agalinis Agastache Agave Ageratina Ageratum Agoseris Agrimonia Agropogon Agropyron Agrostemma Agrostis Ailanthus Aira Albizia Alcea Aletes Alhagi Aliciella Alisma Allenrolfea Allionia Allium Allowissadula Almutaster Alnus Alopecurus Aloysia Alternanthera Alyssum Amaranthus Ambrosia Amelanchier Ammannia Ammocodon Ammoselinum Amoreuxia Amorpha Ampelopsis Amphiachyris Amsinckia Amsonia Anagallis Anaphalis Andropogon Androsace Androstephium Anemone Anemopsis Angelica Anisacanthus Anoda Antennaria Anthemis Antheropeas Anthoxanthum Antiphytum Anulocaulis Apacheria Apera Aphanostephus Apium Apocynum Apodanthera Aquilegia Arabis Aralia Arbutus Arceuthobium Arctium Arctostaphylos Arenaria Argemone Argentina Argyrochosma Argythamnia Aristida Aristolochia Arnica Arrhenatherum Artemisia Arundo Asanthus Asclepias Asparagus Asphodelus Aspicarpa Asplenium Astragalus Astrolepis Athyrium Atriplex Avena Avenula Ayenia Azolla Baccharis Bacopa Bahia Baileya Barbarea Barkleyanthus Bartlettia Bassia Bebbia Beckmannia Berberis Bergia Berlandiera Bernardia Berteroa Berula Besseya Betula Bidens Blepharidachne Blepharoneuron Boehmeria Boerhavia Bommeria Bothriochloa Botrychium Bouchea Bouteloua Bouvardia Bowlesia Brachystigma Brassica Brickellia Brickelliastrum Briza Bromus Buddleja Bulbostylis Bupleurum Caesalpinia Calamagrostis Calamovilfa Calandrinia Calibrachoa Calliandra Callirhoe Callitriche Calochortus Caltha Calycoseris Calylophus Calypso Calyptocarpus Calystegia Camelina Camissonia Campanula Cannabis Capsella Capsicum Caragana Cardamine Cardaria Carduus Carex Carlowrightia Carminatia Carphochaete Carthamus Carum Castilleja Catabrosa Catalpa Catapodium Ceanothus Celtis Cenchrus Centaurea Centaurium Cerastium Ceratocephala Ceratophyllum Cercis Cercocarpus Cevallia Chaenactis Chaerophyllum Chaetopappa Chamaechaenactis Chamaecrista Chamaesaracha Chamaesyce Chamerion Chaptalia Chasmanthium Cheilanthes Chenopodium Chilopsis Chimaphila Chloracantha Chloris Choisya Chorispora Chorizanthe Chrysactinia Chrysothamnus Cichorium Cicuta Cinna Circaea Cirsium Cissus Cistanthe Citrullus Cladium Clappia Claytonia Clematis Cleome Cleomella Clinopodium Clitoria Collinsia Collomia Cologania Colutea Comandra Commelina Condalia Conioselinum Conium Conoclinium Conopholis Conringia Consolida Convolvulus Conyza Cooperia Corallorhiza Cordylanthus Coreopsis Coriandrum Corispermum Cornus Coronopus Corydalis Coryphantha Cosmos Cottea Cotula Crassula Crataegus Crepis Cressa Crotalaria Croton Crusea Cryptantha Cryptogramma Cucumis Cucurbita Cuphea Cupressus Cuscuta Cyclachaena Cyclanthera Cycloloma Cyclospermum Cylindropuntia Cymopterus Cynanchum Cynodon Cynoglossum Cyperus Cyphomeris Cypripedium Cystopteris Dactylis Dactyloctenium Dactylorhiza Dalea Danthonia Dasiphora Dasylirion Dasyochloa Datura Daucosma Daucus Delphinium Deschampsia Descurainia Desmanthus Desmodium Dianthus Dichanthelium Dichelostemma Dichondra Dicliptera Dicoria Dicranocarpus Digitaria Dimorphocarpa Diodia Diplotaxis Dipsacus Distichlis Dodecatheon Draba Dracocephalum Dracopis Drymaria Dryopetalon Dryopteris Dyschoriste Dyssodia Echeandia Echinacea Echinocactus Echinocereus Echinochloa Echinocystis Echinodorus Echinomastus Echinopepon Echium Eclipta Egeria Elaeagnus Elatine Eleocharis Eleusine Elionurus Ellisia Elodea Elyhordeum Elymus Elytraria Encelia Engelmannia Enneapogon Ephedra Epilobium Epipactis Epithelantha Epixiphium Equisetum Eragrostis Eremopyrum Eriastrum Ericameria Erigeron Eriochloa Eriodictyon Eriogonum Erioneuron Eriophorum Eritrichium Erodium Eruca Eryngium Erysimum Erythrina Erythronium Eschscholzia Escobaria Eucrypta Eupatoriadelphus Euphorbia Eurybia Eurytaenia Eustoma Euthamia Evax Evolvulus Eysenhardtia Fagopyrum Fallugia Fendlera Fendlerella Ferocactus Festuca Fimbristylis Flaveria Fleischmannia Flourensia Foeniculum Forestiera Fouquieria Fragaria Frangula Frankenia Frasera Fraxinus Fritillaria Froelichia Fuirena Funastrum Gaillardia Galactia Galinsoga Galium Gamochaeta Garrya Gaultheria Gaura Gayophytum Gentiana Gentianella Gentianopsis Geranium Geum Gilia Giliastrum Glandularia Glaux Gleditsia Glossopetalon Glyceria Glycyrrhiza Gnaphalium Gomphrena Goodyera Gossypianthus Graptopetalum Gratiola Grayia Grindelia Grusonia Guilleminea Guillenia Gutierrezia Gymnocarpium Gymnosperma Gypsophila Hackelia Hackelochloa Halenia Halimolobos Halogeton Haploesthes Haplophyton Harbouria Hedeoma Hedosyne Hedyotis Hedypnois Hedysarum Helenium Helianthella Helianthus Helictotrichon Heliomeris Heliopsis Heliotropium Heracleum Herissantia Hesperis Hesperostipa Heteranthera Heteropogon Heterosperma Heterotheca Heuchera Hexalectris Hibiscus Hieracium Hierochloe Hilaria Hippuris Hoffmannseggia Holcus Holodiscus Hordeum Houstonia Humulus Huperzia Hybanthus Hydrocotyle Hydrophyllum Hymenoclea Hymenopappus Hymenothrix Hymenoxys Hyoscyamus Hypericum Hypochaeris Hypoxis Iberis Ibervillea Iliamna Imperata Indigofera Ionactis Ipomoea Ipomopsis Iresine Iris Isatis Isocoma Isoetes Iva Jamesia Janusia Jatropha Jefea Juglans Juncus Juniperus Justicia Kallstroemia Kelloggia Koanophyllon Kobresia Koeberlinia Koeleria Krameria Krascheninnikovia Krigia Kummerowia Kyllinga Lactuca Laennecia Lamium Lantana Lappula Larrea Lasianthaea Lasthenia Lathyrus Layia Lechea Leersia Leibnitzia Lemna Leontodon Leonurus Lepidium Lepidospartum Leptochloa Leptosiphon Lesquerella Leucaena Leucanthemum Leuciva Leucocrinum Leucophyllum Levisticum Lewisia Leymus Liatris Ligusticum Ligustrum Lilium Limonium Limosella Linanthus Linaria Lindernia Linnaea Linum Lipocarpha Lippia Listera Lithophragma Lithospermum Lloydia Lobelia Lobularia Logfia Lolium Lomatium Lomatogonium Lonicera Lotus Ludwigia Lupinus Luzula Lycium Lycopodium Lycopus Lycurus Lygodesmia Lysimachia Lythrum Machaeranthera Maclura Macromeria Macroptilium Macrosiphonia Madia Mahonia Maianthemum Malacothrix Malaxis Malcolmia Malus Malva Malvella Mammillaria Manihot Marah Margaranthus Marina Marrubium Marsilea Matelea Matricaria Matthiola Maurandella Mecardonia Medicago Melampodium Melia Melica Melilotus Melinis Menodora Mentha Mentzelia Menyanthes Mertensia Microseris Microsteris Milla Mimosa Mimulus Minuartia Mirabilis Mitreola Moehringia Mollugo Momordica Monarda Monardella Moneses Monnina Monolepis Monotropa Monroa Montia Mortonia Morus Muhlenbergia Muscari Musineon Myosotis Myosurus Myriophyllum Najas Nama Nassella Nasturtium Navarretia Neeragrostis Nemacladus Nepeta Nerisyrenia Nesaea Nicolletia Nicotiana Noccaea Nolina Nothocalais Notholaena Nothoscordum Nuphar Nuttallanthus Nyctaginia Nymphaea Oenothera Oligomeris Oligoneuron Onobrychis Onopordum Onosmodium Ophioglossum Opuntia Oreochrysum Oreoxis Orobanche Orthilia Orthocarpus Oryzopsis Osmorhiza Ostrya Oxalis Oxypolis Oxyria Oxytenia Oxytropis Packera Palafoxia Panicum Papaver Pappophorum Parietaria Parkinsonia Parnassia Paronychia Parryella Parthenium Parthenocissus Pascopyrum Paspalum Passiflora Pastinaca Paxistima Pectis Pectocarya Pedicularis Pediocactus Pediomelum Peganum Pellaea Peniocereus Pennellia Pennisetum Penstemon Pentagramma Pentzia Peraphyllum Pericome Perideridia Perityle Peteria Petradoria Petrophytum Phacelia Phalaris Phanerophlebia Phaseolus Phemeranthus Philadelphus Phleum Phlox Phoradendron Phragmites Phyla Phyllanthus Physalis Physaria Physocarpus Physostegia Phytolacca Picea Picradeniopsis Picrothamnus Pilostyles Pinaropappus Pinus Piperia Piptatherum Piptochaetium Plagiobothrys Plantago Platanthera Platanus Platyschkuhria Pleopeltis Pleuraphis Pluchea Poa Podistera Polanisia Polemonium Poliomintha Polygala Polygonatum Polygonella Polygonum Polypodium Polypogon Polytaenia Pomaria Populus Porophyllum Portulaca Potamogeton Potentilla Prenanthella Primula Proatriplex Proboscidea Prosartes Prosopis Prunella Prunus Psacalium Psathyrostachys Psathyrotopsis Pseudelymus Pseudoclappia Pseudocymopterus Pseudognaphalium Pseudoroegneria Pseudostellaria Pseudotsuga Psilactis Psilostrophe Psoralidium Psorothamnus Ptelea Pteridium Pterospora Pterostegia Pteryxia Puccinellia Pulsatilla Purshia Pyracantha Pyrola Pyrrhopappus Pyrrocoma Pyrus Quercus Quincula Rafinesquia Ranunculus Raphanus Rapistrum Ratibida Rayjacksonia Redfieldia Reverchonia Rhamnus Rhinanthus Rhodiola Rhus Rhynchosia Rhynchosida Ribes Rivina Robinia Rorippa Rosa Rotala Rubus Rudbeckia Ruellia Rumex Ruppia Sabatia Saccharum Sageretia Sagina Sagittaria Salicornia Salix Salpichroa Salsola Salvia Salvinia Sambucus Samolus Sanguisorba Sanicula Sanvitalia Sapindus Saponaria Sarcobatus Sarcocornia Sartwellia Saxifraga Scabrethia Schedonnardus Schedonorus Scheuchzeria Schiedeella Schismus Schistophragma Schizachne Schizachyrium Schkuhria Schoenocaulon Schoenocrambe Schoenoplectus Scirpus Sclerocactus Sclerochloa Scleropogon Scorzonera Scrophularia Scutellaria Secale Securigera Sedum Selaginella Selenia Selinocarpus Senecio Senna Sesuvium Setaria Shepherdia Sibara Sibbaldia Sicyos Sicyosperma Sida Sidalcea Sideroxylon Silene Silphium Silybum Simsia Sinapis Sisymbrium Sisyrinchium Solanum Solidago Sonchus Sophora Sorbus Sorghastrum Sorghum Sparganium Spartina Spergularia Spermolepis Sphaeralcea Sphaerophysa Sphenopholis Spiranthes Spirodela Sporobolus Stachys Stanleya Steinchisma Stellaria Stenandrium Stenaria Stenogonum Stenosiphon Stenotaphrum Stenotus Stephanomeria Stevia Stillingia Streptanthella Streptanthus Streptopus Strophostyles Stuckenia Stylocline Suaeda Suckleya Swertia Symphoricarpos Symphyotrichum Symphytum Tagetes Talinopsis Talinum Tamarix Tanacetum Taraxacum Tecoma Telesonix Tephrosia Tetraclea Tetradymia Tetramerium Tetraneuris Teucrium Thalictrum Thamnosma Thelesperma Thelypodiopsis Thelypodium Thermopsis Thinopyrum Thlaspi Thymophylla Thysanocarpus Tidestromia Tillandsia Tiquilia Tonestus Torreyochloa Townsendia Toxicodendron Trachypogon Tradescantia Tragia Tragopogon Tragus Trautvetteria Trianthema Tribulus Trichloris Trichostema Tridens Trifolium Triglochin Triodanis Triplasis Tripsacum Tripterocalyx Trisetum Triticum Trixis Typha Ulmus Ungnadia Urochloa Urtica Utricularia Vaccaria Vaccinium Valeriana Vallisneria Vauquelinia Veratrum Verbascum Verbena Verbesina Vernonia Veronica Viburnum Vicia Viguiera Vinca Viola Vitex Vitis Vulpia Wislizenia Woodsia Wyethia Xanthisma Xanthium Yabea Yucca Zannichellia Zea Zephyranthes Zigadenus Zinnia Ziziphus Zoysia Zuckia Zygophyllum