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Pinaceae Nyctaginaceae Malvaceae Aceraceae Asteraceae Berberidaceae Poaceae Lamiaceae Ranunculaceae Acoraceae Pteridaceae Adoxaceae Apiaceae Hippocastanaceae Rosaceae Alismataceae Brassicaceae Liliaceae Monotropaceae Betulaceae Amaranthaceae Orchidaceae Lythraceae Boraginaceae Primulaceae Ericaceae Apocynaceae Araliaceae Viscaceae Caryophyllaceae Plumbaginaceae Aristolochiaceae Asclepiadaceae Aspleniaceae Fabaceae Dryopteridaceae Chenopodiaceae Azollaceae Scrophulariaceae Blechnaceae Orobanchaceae Ophioglossaceae Saxifragaceae Cabombaceae Buddlejaceae Butomaceae Portulacaceae Araceae Callitrichaceae Convolvulaceae Onagraceae Campanulaceae Cyperaceae Rhamnaceae Gentianaceae Ceratophyllaceae Euphorbiaceae Papaveraceae Pyrolaceae Capparaceae Polemoniaceae Santalaceae Cornaceae Fumariaceae Crassulaceae Iridaceae Cupressaceae Cuscutaceae Thymelaeaceae Sarraceniaceae Solanaceae Diapensiaceae Dipsacaceae Droseraceae Cucurbitaceae Hydrocharitaceae Elaeagnaceae Elatinaceae Hydrophyllaceae Empetraceae Equisetaceae Polygonaceae Geraniaceae Celastraceae Limnanthaceae Oleaceae Rubiaceae Pontederiaceae Hippuridaceae Cannabaceae Lycopodiaceae Hymenophyllaceae Clusiaceae Aquifoliaceae Balsaminaceae Isoetaceae Juncaceae Lemnaceae Juncaginaceae Caprifoliaceae Linaceae Marsileaceae Loasaceae Menyanthaceae Molluginaceae Myricaceae Moraceae Haloragaceae Najadaceae Zosteraceae Nymphaeaceae Cactaceae Oxalidaceae Urticaceae Thelypteridaceae Hydrangeaceae Lentibulariaceae Plantaginaceae Valerianaceae Polygalaceae Polypodiaceae Salicaceae Potamogetonaceae Dennstaedtiaceae Fagaceae Resedaceae Anacardiaceae Grossulariaceae Ruppiaceae Scheuchzeriaceae Selaginellaceae Sparganiaceae Taxaceae Zygophyllaceae Typhaceae Ulmaceae Verbenaceae Violaceae Zannichelliaceae
Abies Abronia Abutilon Acer Achillea Achlys Achnatherum Achnella Acinos Aconitum Acorus Acroptilon Actaea Adenocaulon Adiantum Adoxa Aegopodium Aesculus Agastache Agoseris Agrimonia Agroelymus Agropyron Agrostis Aira Ajuga Alchemilla Alisma Alliaria Allium Allotropa Alnus Alopecurus Alyssum Amaranthus Ambrosia Amelanchier Amerorchis Ammannia Ammophila Amsinckia Anagallis Anaphalis Anchusa Andromeda Androsace Anemone Anethum Angelica Anisocarpus Antennaria Anthemis Anthoxanthum Anthriscus Apera Aphanes Aphragmus Apocynum Aquilegia Arabidopsis Arabis Aralia Arbutus Arceuthobium Arctagrostis Arctium Arctophila Arctostaphylos Arenaria Argentina Aristida Armeria Armoracia Arnica Arrhenatherum Artemisia Aruncus Asarum Asclepias Asparagus Asperugo Aspidotis Asplenium Aster Astragalus Athyrium Athysanus Atriplex Avena Avenula Axyris Azolla Balsamorhiza Barbarea Bassia Beckmannia Bellis Berberis Berteroa Berula Besseya Betula Bidens Blechnum Borago Boschniakia Botrychium Bouteloua Boykinia Brasenia Brassica Braya Brickellia Briza Brodiaea Bromus Buddleja Buglossoides Bunias Bupleurum Butomus Cacaliopsis Cakile Calamagrostis Calamintha Calamovilfa Calandrinia Calendula Calla Callitriche Calluna Calochortus Caltha Calypso Calystegia Camassia Camelina Camissonia Campanula Canadanthus Capsella Caragana Cardamine Cardaria Carduus Carex Carthamus Carum Cassiope Castilleja Catabrosa Ceanothus Cenchrus Centaurea Centaurium Cephalanthera Cerastium Ceratocephala Ceratophyllum Chaenactis Chaenorhinum Chamaedaphne Chamaerhodos Chamaesyce Chamerion Cheilanthes Chelidonium Chenopodium Chimaphila Chondrilla Chorispora Chrysanthemum Chrysosplenium Chrysothamnus Cichorium Cicuta Cinna Circaea Cirsium Cistanthe Clarkia Claytonia Clematis Cleome Clinopodium Clintonia Cnidium Cochlearia Coleanthus Collinsia Collomia Comandra Comarum Conioselinum Conium Conringia Consolida Convolvulus Conyza Coptis Corallorhiza Coreopsis Corispermum Cornus Coronopus Corrigiola Corydalis Corylus Corynephorus Cotoneaster Cotula Crassula Crataegus Crepis Crocidium Crocosmia Cryptantha Cryptogramma Cupressus Cuscuta Cyclachaena Cymbalaria Cynanchum Cynodon Cynoglossum Cynosurus Cyperus Cypripedium Cystopteris Cytisus Dactylis Dactylorhiza Danthonia Daphne Darlingtonia Dasiphora Datura Daucus Delphinium Deschampsia Descurainia Dianthus Diapensia Dicentra Dichanthelium Digitalis Digitaria Diplotaxis Dipsacus Distichlis Dodecatheon Doronicum Douglasia Downingia Draba Dracocephalum Drosera Dryas Dryopteris Duchesnea Dulichium Echinochloa Echinocystis Echium Egeria Elaeagnus Elatine Eleocharis Elliottia Ellisia Elmera Elodea Elyhordeum Elyleymus Elymus Empetrum Endolepis Enemion Epilobium Epipactis Equisetum Eragrostis Eremopyrum Ericameria Erigeron Eriogonum Eriophorum Eriophyllum Erodium Eruca Erucastrum Eryngium Erysimum Erythronium Eschscholzia Eucephalus Euonymus Eupatoriadelphus Eupatorium Euphorbia Euphrasia Eurybia Euthamia Eutrema Fagopyrum Festuca Filago Floerkea Foeniculum Fragaria Frangula Fraxinus Fritillaria Fumaria Gadellia Gaillardia Galeopsis Galinsoga Galium Gamochaeta Gastridium Gaultheria Gaura Gayophytum Gentiana Gentianella Gentianopsis Geocaulon Geranium Geum Gilia Githopsis Glaux Glechoma Glehnia Glyceria Glycyrrhiza Gnaphalium Goodyera Gratiola Grindelia Gymnocarpium Gypsophila Hackelia Halenia Halimolobos Harrimanella Hedeoma Hedera Hedysarum Helenium Helianthella Helianthus Hemitomes Hemizonella Heracleum Hesperis Hesperochiron Hesperostipa Heteranthera Heterocodon Heterotheca Heuchera Hieracium Hierochloe Hippuris Holcus Holodiscus Holosteum Honckenya Hordeum Hornungia Hulteniella Humulus Huperzia Hyacinthoides Hydrophyllum Hymenophyllum Hypericum Hypochaeris Iberis Idahoa Ilex Iliamna Impatiens Inula Ionactis Ipomopsis Iris Isatis Isoetes Isolepis Iva Jaumea Juncus Juniperus Kalmia Kickxia Knautia Kobresia Koeleria Koenigia Krigia Kumlienia Laburnum Lactuca Lamium Lappula Lapsana Larix Lasthenia Lathrocasis Lathyrus Ledum Leersia Lemna Leontodon Leonurus Lepidium Leptarrhena Leptochloa Leptosiphon Lesquerella Leucanthemum Lewisia Leymus Ligusticum Ligustrum Lilaea Lilaeopsis Lilium Limnanthes Limosella Linanthus Linaria Lindernia Linnaea Linum Liparis Lipocarpha Listera Lithophragma Lithospermum Lloydia Lobelia Lobularia Logfia Loiseleuria Lolium Lomatium Lomatogonium Lonicera Lotus Ludwigia Luetkea Luina Lunaria Lupinus Luzula Lychnis Lycium Lycopodiella Lycopodium Lycopus Lygodesmia Lysichiton Lysimachia Lythrum Machaeranthera Madia Mahonia Maianthemum Malaxis Malus Malva Marah Marrubium Marsilea Matricaria Matteuccia Matthiola Meconella Medicago Melampyrum Melica Melilotus Melissa Mentha Mentzelia Menyanthes Menziesia Mertensia Microseris Microsteris Mimulus Minuartia Mirabilis Mitella Moehringia Moenchia Mollugo Monarda Monardella Moneses Monolepis Monotropa Montia Morella Morus Muhlenbergia Muscari Mycelis Myosotis Myosoton Myosurus Myrica Myriophyllum Myrrhis Najas Nanozostera Narcissus Nassella Nasturtium Navarretia Nemophila Neotorularia Nepeta Nephrophyllidium Neslia Nicotiana Nothocalais Nothochelone Nuphar Nuttallanthus Nymphaea Oemleria Oenanthe Oenothera Olsynium Omalotheca Onobrychis Onopordum Ophioglossum Oplopanax Opuntia Origanum Ornithogalum Orobanche Orthilia Orthocarpus Oryzopsis Osmorhiza Oxalis Oxypolis Oxyria Oxytropis Packera Panicum Papaver Parentucellia Parietaria Parnassia Parrya Pascopyrum Pastinaca Paxistima Pectocarya Pedicularis Pellaea Penstemon Pentaglottis Pentagramma Penthorum Perideridia Petasites Petrorhagia Phacelia Phalaris Phegopteris Phemeranthus Philadelphus Phippsia Phleum Phlox Phragmites Phyllodoce Phyllospadix Physaria Physocarpus Physostegia Picea Picris Pinguicula Pinus Piperia Piptatherum Plagiobothrys Plantago Platanthera Plectritis Pleuricospora Pleuropogon Poa Polemonium Polycarpon Polycnemum Polygala Polygonum Polypodium Polypogon Polystichum Populus Portulaca Potamogeton Potentilla Prenanthes Primula Prosartes Prunella Prunus Pseudognaphalium Pseudoroegneria Pseudotsuga Psilocarphus Pteridium Pterospora Pteryxia Puccinellia Pulsatilla Purshia Pyracantha Pyrola Pyrrocoma Pyrus Quercus Ranunculus Raphanus Ratibida Reseda Rhamnus Rheum Rhinanthus Rhodiola Rhododendron Rhus Rhynchospora Ribes Robinia Romanzoffia Rorippa Rosa Rotala Rubus Rudbeckia Rumex Rupertia Ruppia Sagina Sagittaria Salicornia Salix Salpichroa Salsola Salvia Sambucus Sanguisorba Sanicula Saponaria Sarcocornia Sarracenia Saussurea Saxifraga Scandix Schedonorus Scheuchzeria Schizachne Schizachyrium Schoenocrambe Schoenoplectus Scirpus Scleranthus Sclerochloa Scolochloa Scrophularia Scutellaria Secale Securigera Sedum Selaginella Senecio Sericocarpus Setaria Shepherdia Sherardia Sibbaldia Sidalcea Silene Silybum Sinapis Sinosenecio Sisymbrium Sisyrinchium Sium Smelowskia Solanum Solidago Soliva Sonchus Sorbus Sparganium Spartina Spergula Spergularia Sphaeralcea Sphenopholis Spiraea Spiranthes Spirodela Sporobolus Stachys Stellaria Stenanthium Stephanomeria Streptopus Stuckenia Suaeda Subularia Suksdorfia Swertia Symphoricarpos Symphyotrichum Symphytum Syringa Tanacetum Taraxacum Taxus Teesdalia Tellima Tephroseris Tetradymia Teucrium Thalictrum Thellungiella Thelypodium Thelypteris Thermopsis Thinopyrum Thlaspi Thuja Thymus Thysanocarpus Tiarella Tofieldia Tolmiea Tonella Tonestus Torilis Torreyochloa Townsendia Toxicodendron Tragopogon Trautvetteria Triadenum Triantha Tribulus Trichophorum Trichostema Trientalis Trifolium Triglochin Trillium Triodanis Triphysaria Tripleurospermum Trisetum Triteleia Triticum Trollius Tsuga Tussilago Typha Ulex Ulmus Urtica Utricularia Vaccaria Vaccinium Vahlodea Valeriana Valerianella Vallisneria Ventenata Veratrum Verbascum Verbena Veronica Viburnum Vicia Vinca Viola Vulpia Wolffia Woodsia Woodwardia Xanthium Xerophyllum Yabea Zannichellia Zigadenus Zizania Zizia Zostera