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Pinaceae Asteraceae Poaceae Ranunculaceae Adoxaceae Alismataceae Liliaceae Betulaceae Brassicaceae Rosaceae Orchidaceae Boraginaceae Ericaceae Primulaceae Apiaceae Apocynaceae Araliaceae Caryophyllaceae Plumbaginaceae Aspleniaceae Fabaceae Dryopteridaceae Chenopodiaceae Cyperaceae Orobanchaceae Ophioglossaceae Saxifragaceae Araceae Callitrichaceae Campanulaceae Scrophulariaceae Ceratophyllaceae Onagraceae Pyrolaceae Portulacaceae Polemoniaceae Santalaceae Cornaceae Fumariaceae Crassulaceae Pteridaceae Diapensiaceae Lamiaceae Droseraceae Elaeagnaceae Elatinaceae Empetraceae Equisetaceae Polygonaceae Euphorbiaceae Rubiaceae Gentianaceae Geraniaceae Hippuridaceae Lycopodiaceae Balsaminaceae Iridaceae Isoetaceae Juncaceae Cupressaceae Lemnaceae Caprifoliaceae Linaceae Menyanthaceae Myricaceae Haloragaceae Nymphaeaceae Papaveraceae Urticaceae Hydrophyllaceae Thelypteridaceae Lentibulariaceae Plantaginaceae Polypodiaceae Salicaceae Potamogetonaceae Grossulariaceae Ruppiaceae Scheuchzeriaceae Selaginellaceae Sparganiaceae Anacardiaceae Juncaginaceae Typhaceae Valerianaceae Violaceae
Abies Achillea Achnatherum Achnella Aconitum Actaea Adoxa Agoseris Agropyron Agrostis Aira Alisma Allium Alnus Alopecurus Alyssum Amelanchier Amerorchis Amsinckia Anaphalis Andromeda Androsace Anemone Angelica Antennaria Anthemis Anthoxanthum Aphragmus Apocynum Aquilegia Arabis Aralia Arctagrostis Arctophila Arctostaphylos Arenaria Argentina Armeria Arnica Artemisia Aruncus Asperugo Asplenium Aster Astragalus Athyrium Atriplex Avena Avenula Barbarea Beckmannia Betula Bidens Blysmus Boschniakia Botrychium Boykinia Brassica Braya Bromus Bupleurum Calamagrostis Calla Callitriche Caltha Calypso Camelina Campanula Canadanthus Capsella Caragana Cardamine Cardaminopsis Carex Cassiope Castilleja Centaurea Cerastium Ceratophyllum Chamaedaphne Chamaerhodos Chamerion Chenopodium Chimaphila Chrysanthemum Chrysosplenium Cicuta Cinna Circaea Cirsium Claytonia Clematis Cnidium Cochlearia Collinsia Collomia Comandra Comarum Corallorhiza Corispermum Cornus Corydalis Crassula Crepis Cryptogramma Cynoglossum Cypripedium Cystopteris Dactylis Dactylorhiza Danthonia Dasiphora Delphinium Deschampsia Descurainia Dianthus Diapensia Dodecatheon Douglasia Draba Dracocephalum Drosera Dryas Dryopteris Dupontia Elaeagnus Elatine Eleocharis Elyhordeum Elyleymus Elymus Empetrum Endolepis Epilobium Equisetum Erigeron Eriogonum Eriophorum Eritrichium Erysimum Euphorbia Euphrasia Eurybia Eutrema Fagopyrum Festuca Fragaria Fritillaria Gaillardia Galeopsis Galium Gentiana Gentianella Gentianopsis Geocaulon Geranium Geum Gilia Glyceria Gnaphalium Goodyera Gymnocarpium Gypsophila Hackelia Halimolobos Harrimanella Hedysarum Helianthus Heracleum Hesperostipa Hieracium Hierochloe Hippuris Honckenya Hordeum Hulteniella Huperzia Hylotelephium Impatiens Iris Isoetes Juncus Juniperus Kalmia Kobresia Koeleria Koenigia Krascheninnikovia Lactuca Lagotis Lappula Larix Lathyrus Ledum Lemna Lepidium Leptarrhena Lesquerella Leucanthemum Lewisia Leymus Limosella Linaria Linnaea Linum Listera Lloydia Loiseleuria Lolium Lomatogonium Lonicera Lotus Luetkea Lupinus Luzula Lycopodium Lysimachia Maianthemum Malaxis Matricaria Matteuccia Medicago Melilotus Mentha Menyanthes Mertensia Microsteris Mimulus Minuartia Mitella Moehringia Moneses Monolepis Montia Muhlenbergia Myosotis Myrica Myriophyllum Nassella Neotorularia Neslia Nestotus Noccaea Nuphar Nymphaea Onobrychis Oplopanax Orobanche Orthilia Orthocarpus Oryzopsis Osmorhiza Oxyria Oxytropis Packera Papaver Parietaria Parnassia Parrya Pastinaca Pedicularis Penstemon Petasites Phacelia Phalaris Phegopteris Phippsia Phleum Phlox Phyllodoce Picea Pinguicula Pinus Piptatherum Plagiobothrys Plantago Platanthera Poa Podistera Polemonium Polygonum Polypodium Polypogon Polystichum Populus Potamogeton Potentilla Primula Prunella Psathyrostachys Pseudolysimachion Pseudoroegneria Puccinellia Pulsatilla Pyrola Ranunculus Rheum Rhinanthus Rhodiola Rhododendron Ribes Rorippa Rosa Rubus Rumex Ruppia Sagina Sagittaria Salicornia Salix Sambucus Sanguisorba Saussurea Saxifraga Schedonorus Scheuchzeria Schizachne Schoenoplectus Scirpus Scolochloa Scutellaria Secale Sedum Selaginella Senecio Setaria Shepherdia Sibbaldia Silene Sinapis Sisymbrium Sisyrinchium Sium Smelowskia Solidago Sonchus Sorbaria Sorbus Sparganium Spergula Spergularia Sphenopholis Spinacia Spiraea Spiranthes Stachys Stellaria Streptopus Stuckenia Suaeda Subularia Symphyotrichum Synthyris Tanacetum Taraxacum Tephroseris Thalictrum Thellungiella Thinopyrum Thlaspi Tofieldia Torreyochloa Townsendia Toxicodendron Tragopogon Triantha Trichophorum Trientalis Trifolium Triglochin Tripleurospermum Trisetum Triticum Typha Urtica Utricularia Vaccaria Vaccinium Vahlodea Valeriana Veratrum Veronica Viburnum Vicia Viola Vulpia Wilhelmsia Woodsia Zigadenus