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Pinaceae Aceraceae Asteraceae Poaceae Ranunculaceae Acoraceae Pteridaceae Adoxaceae Caryophyllaceae Rosaceae Alismataceae Brassicaceae Liliaceae Betulaceae Amaranthaceae Orchidaceae Boraginaceae Ericaceae Primulaceae Apiaceae Apocynaceae Viscaceae Plumbaginaceae Aspleniaceae Fabaceae Dryopteridaceae Chenopodiaceae Azollaceae Blechnaceae Cyperaceae Orobanchaceae Ophioglossaceae Saxifragaceae Cabombaceae Araceae Callitrichaceae Convolvulaceae Campanulaceae Scrophulariaceae Ceratophyllaceae Onagraceae Pyrolaceae Portulacaceae Lamiaceae Polemoniaceae Santalaceae Cornaceae Fumariaceae Crassulaceae Cupressaceae Thymelaeaceae Diapensiaceae Droseraceae Elaeagnaceae Hydrocharitaceae Empetraceae Equisetaceae Polygonaceae Geraniaceae Papaveraceae Euphorbiaceae Rubiaceae Gentianaceae Hippuridaceae Lycopodiaceae Hymenophyllaceae Balsaminaceae Iridaceae Isoetaceae Juncaceae Lemnaceae Caprifoliaceae Linaceae Malvaceae Menyanthaceae Monotropaceae Myricaceae Haloragaceae Najadaceae Hydrophyllaceae Nymphaeaceae Araliaceae Thelypteridaceae Zosteraceae Lentibulariaceae Plantaginaceae Polypodiaceae Salicaceae Potamogetonaceae Dennstaedtiaceae Grossulariaceae Ruppiaceae Scheuchzeriaceae Selaginellaceae Solanaceae Sparganiaceae Taxaceae Juncaginaceae Typhaceae Urticaceae Valerianaceae Violaceae Zannichelliaceae
Abies Acer Achillea Achnatherum Aconitum Acorus Actaea Adiantum Adoxa Agoseris Agropyron Agrostemma Agrostis Aira Alchemilla Alisma Alliaria Allium Alnus Alopecurus Alyssum Amaranthus Ambrosia Amelanchier Amerorchis Amsinckia Anaphalis Andromeda Androsace Anemone Angelica Antennaria Anthemis Anthoxanthum Aphragmus Apocynum Aquilegia Arabis Arceuthobium Arctagrostis Arctophila Arctostaphylos Arenaria Argentina Armeria Arnica Arrhenatherum Artemisia Aruncus Asperugo Asplenium Aster Astragalus Athyrium Atriplex Avena Azolla Barbarea Beckmannia Bellis Berteroa Betula Bidens Blechnum Blysmus Borago Boschniakia Botrychium Boykinia Brasenia Brassica Braya Bromus Bupleurum Cakile Calamagrostis Calla Callitriche Caltha Calypso Calystegia Camelina Campanula Canadanthus Capsella Caragana Cardamine Carex Cassiope Castilleja Catabrosa Centaurea Cerastium Ceratophyllum Chamaedaphne Chamaerhodos Chamerion Chenopodium Chimaphila Chrysanthemum Chrysosplenium Cicuta Cinna Circaea Cirsium Claytonia Clinopodium Clintonia Cnidium Cochlearia Collinsia Collomia Comandra Comarum Conioselinum Conringia Conyza Coptis Corallorhiza Corispermum Cornus Corydalis Cotula Crassula Crataegus Crepis Cryptantha Cryptogramma Cupressus Cyperus Cypripedium Cystopteris Cytisus Dactylis Dactylorhiza Danthonia Daphne Dasiphora Delphinium Deschampsia Descurainia Dianthus Diapensia Digitalis Dodecatheon Douglasia Draba Dracocephalum Drosera Dryas Dryopteris Dulichium Dupoa Dupontia Echium Elaeagnus Eleocharis Elliottia Elodea Elyhordeum Elyleymus Elymus Empetrum Epilobium Equisetum Erigeron Eriogonum Eriophorum Eritrichium Erodium Erucastrum Erysimum Eschscholzia Euphorbia Euphrasia Eurybia Eutrema Fagopyrum Festuca Fragaria Fritillaria Gaillardia Galeopsis Galium Gaultheria Gentiana Gentianella Gentianopsis Geocaulon Geranium Geum Gilia Glaux Glebionis Glechoma Glehnia Glyceria Gnaphalium Goodyera Grindelia Gymnocarpium Gypsophila Hackelia Halimolobos Harrimanella Hedysarum Helianthus Heracleum Hesperis Heuchera Hieracium Hierochloe Hippuris Holcus Honckenya Hordeum Hulteniella Huperzia Hymenophyllum Hypochaeris Iberis Impatiens Iris Isoetes Isolepis Juncus Juniperus Kalmia Kobresia Koeleria Koenigia Kumlienia Lactuca Lagotis Lamium Lappula Lapsana Larix Lathyrus Ledum Lemna Leontodon Lepidium Leptarrhena Lesquerella Leucanthemum Lewisia Leymus Ligusticum Lilaeopsis Limosella Linaria Linnaea Linum Listera Lloydia Lobelia Loiseleuria Lolium Lomatogonium Lonicera Luetkea Lupinus Luzula Lychnis Lycopodiella Lycopodium Lycopus Lysichiton Lysimachia Madia Maianthemum Malaxis Malus Malva Marrubium Matricaria Matteuccia Medicago Melica Melilotus Mentha Menyanthes Menziesia Mertensia Microseris Microsteris Mimulus Minuartia Misopates Mitella Moehringia Moneses Monolepis Monotropa Montia Muhlenbergia Mycelis Myosotis Myrica Myriophyllum Najas Nasturtium Nemophila Neotorularia Nepeta Nephrophyllidium Neslia Noccaea Nuphar Nymphaea Oenanthe Onobrychis Ophioglossum Oplopanax Orobanche Orthilia Osmorhiza Oxyria Oxytropis Packera Papaver Parasenecio Parnassia Parrya Pascopyrum Pastinaca Pedicularis Penstemon Petasites Phacelia Phalaris Phegopteris Phippsia Phleum Phlox Phyllodoce Phyllospadix Physocarpus Picea Picris Pinguicula Pinus Piperia Plagiobothrys Plantago Platanthera Pleuropogon Poa Podistera Polemonium Polygonum Polypodium Polypogon Polystichum Populus Potamogeton Potentilla Prenanthes Primula Prunella Prunus Psathyrostachys Pseudolysimachion Pseudoroegneria Pteridium Puccinellia Pulsatilla Pyrola Ranunculus Raphanus Rheum Rhinanthus Rhodiola Rhododendron Rhynchospora Ribes Romanzoffia Rorippa Rosa Rubus Rudbeckia Rumex Ruppia Sagina Sagittaria Salicornia Salix Sambucus Sanguisorba Saussurea Saxifraga Schedonorus Scheuchzeria Schizachne Schoenoplectus Scirpus Scolochloa Scutellaria Secale Sedum Selaginella Senecio Setaria Shepherdia Sibbaldia Sidalcea Silene Sinapis Sisymbrium Sisyrinchium Sium Smelowskia Solanum Solidago Sonchus Sorbaria Sorbus Sparganium Spergula Spergularia Sphenopholis Spinacia Spiraea Spiranthes Stachys Stellaria Streptopus Stuckenia Suaeda Subularia Swertia Symphoricarpos Symphyotrichum Symphytum Synthyris Tanacetum Taraxacum Taxus Tellima Tephroseris Thalictrum Thelypteris Thlaspi Thuja Tiarella Tilingia Tofieldia Tolmiea Torreyochloa Townsendia Tragopogon Triantha Trichophorum Trientalis Trifolium Triglochin Tripleurospermum Trisetum Triticum Trollius Tsuga Typha Urtica Utricularia Vaccaria Vaccinium Vahlodea Valeriana Veratrum Verbascum Veronica Viburnum Vicia Viola Vulpia Wilhelmsia Woodsia Zannichellia Zigadenus Zostera