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Pinaceae Nyctaginaceae Malvaceae Acarosporaceae Aceraceae Asteraceae Poaceae Lamiaceae Ranunculaceae Acoraceae Pteridaceae Apiaceae Caryophyllaceae Simaroubaceae Fabaceae Polemoniaceae Alismataceae Chenopodiaceae Brassicaceae Liliaceae Monotropaceae Betulaceae Amaranthaceae Rosaceae Orchidaceae Lythraceae Boraginaceae Primulaceae Ericaceae Apocynaceae Araliaceae Viscaceae Papaveraceae Aristolochiaceae Asclepiadaceae Hymeneliaceae Aspleniaceae Dryopteridaceae Scrophulariaceae Berberidaceae Blechnaceae Saxifragaceae Ophioglossaceae Cabombaceae Cucurbitaceae Butomaceae Portulacaceae Callitrichaceae Convolvulaceae Onagraceae Campanulaceae Cannabaceae Cyperaceae Verrucariaceae Rhamnaceae Ulmaceae Gentianaceae Ceratophyllaceae Euphorbiaceae Pyrolaceae Polygonaceae Capparaceae Santalaceae Cornaceae Fumariaceae Crassulaceae Rubiaceae Cuscutaceae Solanaceae Dipsacaceae Droseraceae Elaeagnaceae Elatinaceae Hydrophyllaceae Hydrocharitaceae Equisetaceae Geraniaceae Cactaceae Limnanthaceae Crossosomataceae Pontederiaceae Hippuridaceae Lycopodiaceae Clusiaceae Balsaminaceae Iridaceae Isoetaceae Juglandaceae Juncaceae Cupressaceae Sapindaceae Lemnaceae Juncaginaceae Caprifoliaceae Linaceae Araceae Marsileaceae Loasaceae Menyanthaceae Molluginaceae Moraceae Haloragaceae Najadaceae Nymphaeaceae Orobanchaceae Oxalidaceae Paeoniaceae Urticaceae Vitaceae Celastraceae Thelypteridaceae Hydrangeaceae Lentibulariaceae Plantaginaceae Valerianaceae Polypodiaceae Salicaceae Potamogetonaceae Pedaliaceae Dennstaedtiaceae Anacardiaceae Grossulariaceae Ruppiaceae Scheuchzeriaceae Selaginellaceae Sparganiaceae Tamaricaceae Taxaceae Zygophyllaceae Typhaceae Verbenaceae Violaceae Zannichelliaceae
Abies Abronia Abutilon Acarospora Acer Achillea Achnatherum Acinos Aconitum Acorus Acroptilon Actaea Adenocaulon Adiantum Adonis Aegilops Aegopodium Aethusa Agastache Ageratina Agoseris Agropyron Agrostemma Agrostis Ailanthus Aira Alcea Alhagi Aliciella Alisma Allenrolfea Alliaria Allium Allotropa Alnus Alopecurus Alyssum Amaranthus Ambrosia Amelanchier Amelasorbus Amerorchis Ammannia Amorpha Amsinckia Anagallis Anaphalis Anchusa Ancistrocarphus Andromeda Androsace Anelsonia Anemone Angelica Antennaria Anthemis Anthoxanthum Anthriscus Apera Aphanes Apium Apocynum Aquilegia Arabidopsis Arabis Aralia Arceuthobium Arctium Arctostaphylos Arenaria Argemone Argentina Aristida Armoracia Arnica Arrhenatherum Artemisia Asarum Asclepias Asparagus Asperugo Aspicilia Aspidotis Asplenium Astragalus Athyrium Athysanus Atriplex Avena Bacopa Balsamorhiza Barbarea Bassia Beckmannia Bellis Berberis Berteroa Berula Besseya Betula Bidens Blechnum Blepharidachne Blepharipappus Bolandra Boltonia Botrychium Bouteloua Boykinia Brasenia Brassica Brickellia Briza Bromus Bryonia Buglossoides Bupleurum Butomus Calamagrostis Calamovilfa Calandrinia Callirhoe Callitriche Calochortus Caltha Calypso Calystegia Camassia Camelina Camissonia Campanula Canadanthus Cannabis Capsella Caragana Cardamine Cardaria Carduus Carex Carthamus Carum Cassiope Castilleja Catabrosa Catapyrenium Caulanthus Ceanothus Celtis Centaurea Centaurium Centromadia Cephalanthera Cerastium Ceratocephala Ceratophyllum Cercocarpus Chaenactis Chaenorhinum Chaetadelpha Chamaebatiaria Chamaesyce Chamerion Cheilanthes Chenopodium Chimaphila Chionophila Chondrilla Chorispora Chorizanthe Chrysosplenium Chrysothamnus Cicer Cichorium Cicuta Cinna Circaea Cirsium Cistanthe Clarkia Claytonia Clematis Cleome Cleomella Clinopodium Clintonia Cnicus Collinsia Collomia Comandra Comarum Conimitella Conium Conringia Consolida Convolvulus Conyza Coptis Corallorhiza Cordylanthus Coreopsis Corispermum Cornus Corydalis Corylus Cotoneaster Crassula Crataegus Crepis Croton Crucianella Cruciata Crupina Crypsis Cryptantha Cryptogramma Cuscuta Cusickiella Cyclachaena Cycloloma Cymopterus Cynanchum Cynodon Cynoglossum Cynosurus Cyperus Cypripedium Cystopteris Cytisus Dactylis Dalea Damasonium Danthonia Dasiphora Dasynotus Datura Daucus Delphinium Deschampsia Descurainia Dianthus Dicentra Dichanthelium Digitalis Digitaria Dimeresia Diplotaxis Dipsacus Distichlis Dodecatheon Douglasia Downingia Draba Dracocephalum Drosera Dryas Dryopteris Dulichium Eatonella Echinochloa Echinocystis Echinops Echium Elaeagnus Elatine Eleocharis Ellisia Elodea Elyhordeum Elyleymus Elymus Enceliopsis Epilobium Epipactis Equisetum Eragrostis Eremopyrum Eriastrum Ericameria Erigeron Eriodictyon Eriogonum Eriophorum Eriophyllum Eritrichium Erodium Erucastrum Eryngium Erysimum Erythronium Eschscholzia Escobaria Eucephalus Euclidium Eupatoriadelphus Euphorbia Eurybia Euthamia Fagopyrum Festuca Floerkea Fragaria Frangula Frasera Fritillaria Fumaria Gaillardia Galeopsis Galium Gaultheria Gaura Gayophytum Gentiana Gentianella Gentianopsis Geocaulon Geranium Geum Gilia Glaux Glechoma Gleditsia Glossopetalon Glyceria Glycyrrhiza Glyptopleura Gnaphalium Goodyera Gratiola Grayia Grindelia Gutierrezia Gymnocarpium Gymnosteris Gypsophila Hackelia Halimolobos Halogeton Hedera 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 Hylotelephium Hymenopappus Hymenoxys Hyoscyamus Hypericum Hypochaeris Idahoa Iliamna Impatiens Ionactis Ipomopsis Iris Isatis Isoetes Iva Ivesia Juglans Juncus Juniperus Kalmia Kelloggia Kelseya Knautia Kobresia Koeleria Koelreuteria Krascheninnikovia Lactuca Lagophylla Lamium Langloisia Lappula Lapsana Larix Lathrocasis Lathyrus Layia Ledum Leersia Lemna Lens Leontodon Leonurus Lepidium Leptarrhena Leptochloa Leptosiphon Lepyrodiclis Lesquerella Leucanthemum Leucocrinum Leucopoa Lewisia Leymus Ligusticum Lilaea Lilium Limosella Linanthus Linaria Lindernia Linnaea Linum Lipocarpha Listera Lithophragma Lithospermum Lloydia Lobelia Lobularia Logfia Lolium Lomatium Lomatogonium Lonicera Lotus Ludwigia Luetkea Lunaria Lupinus Luzula Lychnis Lycium Lycopodiella Lycopodium Lycopus Lygodesmia Lysichiton Lysimachia Lythrum Machaeranthera Madia Mahonia Maianthemum Malacothrix Malcolmia Malva Malvella Marrubium Marsilea Matricaria Matthiola Medicago Melampyrum Melica Melilotus Melissa Mentha Mentzelia Menyanthes Menziesia Mertensia Microseris Microsteris Milium Mimetanthe Mimulus Minuartia Mirabilis Misopates Mitella Moehringia Mollugo Monarda Monardella Moneses Monolepis Monotropa Montia Morus Muhlenbergia Musineon Mycelis Myosotis Myosurus Myriophyllum Najas Nama Nardus Nassella Nasturtium Navarretia Nemacladus Nemophila Nepeta Neslia Nestotus Nicandra Nicotiana Nigella Noccaea Nothocalais Nuphar Nymphaea Oenothera Olsynium Onobrychis Onopordum Oplopanax Opuntia Oreostemma Ornithogalum Orobanche Orogenia Orthilia Orthocarpus Oryzopsis Osmorhiza Oxalis Oxyria Oxytheca Oxytropis Packera Paeonia Panicum Papaver Parietaria Parnassia Parthenocissus Pascopyrum Paspalum Pastinaca Paxistima Pectocarya Pedicularis Pediocactus Pellaea Pennisetum Penstemon Pentagramma Peraphyllum Perideridia Petasites Peteria Petradoria Petrophytum Petrorhagia Petroselinum Phacelia Phalaris Phegopteris Philadelphus Phleum Phlox Phoenicaulis Phragmites Phyllodoce Physalis Physaria Physocarpus Physostegia Picea Picrothamnus Pinguicula Pinus Piperia Piptatherum Plagiobothrys Plantago Platanthera Plectritis Pleiacanthus Poa Polanisia Polemonium Polyctenium Polygonum Polypodium Polypogon Polystichum Populus Porterella Portulaca Potamogeton Potentilla Prenanthella Prenanthes Primula Proboscidea Prosartes Prunella Prunus Psathyrotes Pseudelymus Pseudognaphalium Pseudoroegneria Pseudostellaria Pseudotsuga Psilocarphus Psilostrophe Psoralidium Pteridium Pterospora Pteryxia Puccinellia Pulsatilla Purshia Pyrola Pyrrocoma Pyrus Ranunculus Raphanus Ratibida Rhamnus Rhinanthus Rhodiola Rhododendron Rhus Rhynchospora Ribes Rigiopappus Robinia Romanzoffia Rorippa Rosa Rotala Rubus Rudbeckia Rumex Rupertia Ruppia Sagina Sagittaria Sairocarpus Salicornia Salix Salsola Salvia Sambucus Sanguisorba Sanicula Saponaria Sarcobatus Saussurea Saxifraga Schedonorus Scheuchzeria Schizachyrium Schoenocrambe Schoenoplectus Scirpus Scleranthus Sclerochloa Sclerolinon Scolochloa Scrophularia Scutellaria Secale Securigera Sedum Selaginella Senecio Setaria Shepherdia Sherardia Sibbaldia Sidalcea Silene Sinapis Sisymbrium Sisyrinchium Sium Smelowskia Solanum Solidago Sonchus Sorbus Sorghum Sparganium Spartina Spergula Spergularia Sphaeralcea Sphaeromeria Sphaerophysa Sphenopholis Sphenosciadium Spiraea Spiranthes Spirodela Sporobolus Stachys Stanleya Stellaria Stenanthium Stenotus Stephanomeria Streptanthella Streptanthus Streptopus Stuckenia Stylocline Suaeda Subularia Suksdorfia Sullivantia Swertia Symphoricarpos Symphyotrichum Symphytum Synthyris Taeniatherum Tamarix Tanacetum Taraxacum Tauschia Taxus Teesdalia Telesonix Tellima Tetradymia Tetraneuris Teucrium Thalictrum Thellungiella Thelypodium Thelypteris Thermopsis Thinopyrum Thlaspi Thuja Thysanocarpus Tiarella Tiquilia Tonella Tonestus Torilis Torreyochloa Townsendia Toxicodendron Tragopogon Trautvetteria Triantha Tribulus Trichophorum Trichostema Trientalis Trifolium Triglochin Trillium Triodanis Tripleurospermum Trisetum Triteleia Triticum Trollius Tsuga Typha Ulmus Urtica Utricularia Vaccaria Vaccinium Vahlodea Valeriana Valerianella Vallisneria Ventenata Veratrum Verbascum Verbena Veronica Vesicarpa Viburnum Vicia Vinca Viola Vitis Vulpia Waldsteinia Wolffia Woodsia Wyethia Xanthium Xerophyllum Yabea Zannichellia Zea Zigadenus Zizania Zizia Zygophyllum