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