Families, genera and species in North America Source: USDA, NRCS. 2009. The PLANTS Database (http://plants.usda.gov, 24 June 2009). National Plant Data Center, Baton Rouge, LA 70874-4490 USA.

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Select a Family	Select a Genus	Species
Caprifoliaceae Malvaceae Pinaceae Thuidiaceae Cyperaceae Nyctaginaceae Uncertain Lichen Family Fabaceae Stictidaceae Rosaceae Euphorbiaceae Asteraceae Cactaceae Lamiaceae Acanthaceae Acarosporaceae Pottiaceae Aceraceae Berberidaceae Poaceae Amaranthaceae Caryophyllaceae Calyceraceae Apiaceae Melastomataceae Solanaceae Arecaceae Ranunculaceae Acoraceae Acrobolbaceae Monoblastiaceae Lejeuneaceae Rutaceae Sematophyllaceae Caliciaceae Pteridaceae Actinidiaceae Schizaeaceae Bombacaceae Verrucariaceae Bacidiaceae Apocynaceae Grammitidaceae Fumariaceae Rhamnaceae Adoxaceae Bromeliaceae Orobanchaceae Verbenaceae Crassulaceae Sapotaceae Hippocastanaceae Zingiberaceae Podocarpaceae Scrophulariaceae Liliaceae Ericaceae Araucariaceae Agavaceae Phytolaccaceae Meliaceae Araceae Hymeneliaceae Agyriaceae Parmeliaceae Rubiaceae Simaroubaceae Lardizabalaceae Alectoriaceae Sapindaceae Polemoniaceae Alismataceae Boraginaceae Chenopodiaceae Brassicaceae Casuarinaceae Monotropaceae Betulaceae Aloaceae Iridaceae Leucodontaceae Cyatheaceae Physciaceae Meesiaceae Amblystegiaceae Orchidaceae Lythraceae Bixaceae Vitaceae Orthotrichaceae Bignoniaceae Porpidiaceae Fabroniaceae Anacardiaceae Bartramiaceae Primulaceae Jungermanniaceae Andreaeaceae Andreaeobryaceae Commelinaceae Lichinaceae Anemiaceae Saururaceae Vittariaceae Aneuraceae Marattiaceae Lauraceae Convolvulaceae Annonaceae Combretaceae Bryaceae Anomodontaceae Basellaceae Polygonaceae Antheliaceae Anthocerotaceae Pyrenulaceae Eremolepidaceae Trapeliaceae Dicranaceae Crossosomataceae Funariaceae Splachnaceae Cucurbitaceae Metzgeriaceae Aponogetonaceae Treubiaceae Aizoaceae Burmanniaceae Dryopteridaceae Araliaceae Asclepiadaceae Viscaceae Archidiaceae Papaveraceae Arctomiaceae Lecanoraceae Myrsinaceae Aristolochiaceae Elaeocarpaceae Plumbaginaceae Arnelliaceae Arthoniaceae Arthopyreniaceae Arthrorhaphidaceae Catillariaceae Moraceae Chloranthaceae Porellaceae Malpighiaceae Aspleniaceae Aytoniaceae Mycocaliciaceae Thelotremataceae Saxifragaceae Trypetheliaceae Campanulaceae Capparaceae Cleveaceae Atheliaceae Polytrichaceae Cornaceae Aulacomniaceae Gomphillaceae Cupressaceae Oxalidaceae Sterculiaceae Azollaceae Opegraphaceae Myrtaceae Baeomycetaceae Zygophyllaceae Balanophoraceae Flacourtiaceae Proteaceae Meteoriaceae Lecythidaceae Gentianaceae Bataceae Lepidoziaceae Begoniaceae Gyalectaceae Elatinaceae Brachytheciaceae Biatorellaceae Blasiaceae Blechnaceae Pseudolepicoleaceae Seligeriaceae Hydrocharitaceae Urticaceae Myoporaceae Burseraceae Ophioglossaceae Fontinalaceae Cabombaceae Hedwigiaceae Brigantiaceae Hydrangeaceae Bruchiaceae Rhizophoraceae Brunelliaceae Encalyptaceae Hypnaceae Leskeaceae Bryoxiphiaceae Marchantiaceae Santalaceae Buddlejaceae Sphaerophoraceae Butomaceae Buxbaumiaceae Buxaceae Pilocarpaceae Portulacaceae Marantaceae Callicostaceae Callitrichaceae Ectolechiaceae Clusiaceae Teloschistaceae Calycanthaceae Menispermaceae Allisoniaceae Onagraceae Calymperaceae Calypogeiaceae Theaceae Polypodiaceae Ptychomitriaceae Candelariaceae Canellaceae Cannaceae Cannabaceae Celastraceae Caricaceae Cyclanthaceae Juglandaceae Caryocaraceae Fagaceae Rhizocarpaceae Catoscopiaceae Caulerpaceae Lecideaceae Cecropiaceae Ulmaceae Valerianaceae Dipsacaceae Cephalotaxaceae Cephaloziaceae Cephaloziellaceae Empetraceae Ditrichaceae Ceratophyllaceae Parkeriaceae Pedaliaceae Cercidiphyllaceae Loasaceae Coniocybaceae Geocalycaceae Pyrolaceae Oleaceae Chionosphaeraceae Chonecoleaceae Thelenellaceae Chrysobalanaceae Gesneriaceae Chrysotrichaceae Dicksoniaceae Mniaceae Cistaceae Cladoniaceae Tiliaceae Trichotheliaceae Clethraceae Cyrillaceae Climaciaceae Dacampiaceae Coccocarpiaceae Coccotremataceae Collemataceae Myricaceae Connaraceae Conocephalaceae Corsiniaceae Hamamelidaceae Corynocarpaceae Grimmiaceae Costaceae Crocyniaceae Stemonaceae Cryphaeaceae Cuscutaceae Cycadaceae Cymodoceaceae Platygloeaceae Dactylosporaceae Daltoniaceae Thymelaeaceae Sarraceniaceae Datiscaceae Davalliaceae Pannariaceae Lobariaceae Roccellaceae Loranthaceae Dennstaedtiaceae Loganiaceae Diapensiaceae Gleicheniaceae Corticiaceae Dilleniaceae Droseraceae Dioscoreaceae Ebenaceae Scapaniaceae Disceliaceae Hydrophyllaceae Winteraceae Dipterocarpaceae Capnodiaceae Pontederiaceae Eigleraceae Elaeagnaceae Zamiaceae Musaceae Entodontaceae Stereophyllaceae Pleomassariaceae Ephedraceae Ephemeraceae Equisetaceae Gymnomitriaceae Eriocaulaceae Geraniaceae Erpodiaceae Erythroxylaceae Grossulariaceae Cunoniaceae Nymphaeaceae Tricholomataceae Fissidentaceae Flagellariaceae Limnanthaceae Leptodontaceae Fossombroniaceae Fouquieriaceae Frankeniaceae Pandanaceae Jubulaceae Fuscideaceae Garryaceae Sphaerocarpaceae Ginkgoaceae Molluginaceae Graphidaceae Gnetaceae Haloragaceae Trichocomaceae Greyiaceae Gunneraceae Solorinellaceae Gypsoplaceae Gyrothyraceae Haematommataceae Schaereriaceae Styracaceae Hanguanaceae Haplomitriaceae Olacaceae Heliconiaceae Micareaceae Helodiaceae Pterobryaceae Heppiaceae Herbertaceae Hernandiaceae Linaceae Pterigynandraceae Hippocrateaceae Hippuridaceae Neckeraceae Hookeriaceae Myristicaceae Lycopodiaceae Violaceae Limnocharitaceae Peltigeraceae Hylocomiaceae Hymenophyllaceae Pittosporaceae Hypopterygiaceae Icacinaceae Aquifoliaceae Illiciaceae Balsaminaceae Isoetaceae Theophrastaceae Joinvilleaceae Juncaceae Pleosporaceae Placynthiaceae Mastodiaceae Krameriaceae Haemodoraceae Lemnaceae Umbilicariaceae Psoraceae Leitneriaceae Piperaceae Odontotremataceae Letrouitiaceae Leucobryaceae Epacridaceae Phyllachoraceae Lichenotheliaceae Juncaginaceae Magnoliaceae Rimulariaceae Plantaginaceae Leotiaceae Lophosoriaceae Gigaspermaceae Lunulariaceae Lygodiaceae Thelypteridaceae Marcgraviaceae Marsileaceae Mastigophoraceae Mayacaceae Dendrocerotaceae Megalosporaceae Melanommataceae Melaspileaceae Melianthaceae Sabiaceae Menyanthaceae Mesoptychiaceae Microcaliciaceae Asterothyriaceae Pallaviciniaceae Polygalaceae Moringaceae Clavariaceae Mycoblastaceae Mycoporaceae Myriniaceae Myxotrichaceae Najadaceae Zosteraceae Hypocreaceae Nelumbonaceae Nepenthaceae Nephromataceae Ramalinaceae Notothyladaceae Ochnaceae Pertusariaceae Oedipodiaceae Resedaceae Ophioparmaceae Osmundaceae Oxymitraceae Paeoniaceae Passifloraceae Plagiochilaceae Pelliaceae Monosoleniaceae Peltulaceae Monimiaceae Achatocarpaceae Philydraceae Phlyctidaceae Lennoaceae Stereocaulaceae Rafflesiaceae Lentibulariaceae Turneraceae Plagiotheciaceae Platanaceae Pleuroziaceae Pleuroziopsidaceae Podostemaceae Salicaceae Thamnobryaceae Posidoniaceae Potamogetonaceae Protothelenellaceae Pseudoditrichaceae Psilotaceae Ptilidiaceae Punicaceae Pyrenotrichaceae Rhizogoniaceae Racopilaceae Radulaceae Strelitziaceae Rhachitheciaceae Rhytidiaceae Ricciaceae Riellaceae Ruppiaceae Adelococcaceae Salviniaceae Goodeniaceae Scheuchzeriaceae Schisandraceae Schistostegaceae Triuridaceae Scouleriaceae Selaginellaceae Simmondsiaceae Smilacaceae Sonneratiaceae Sparganiaceae Mycosphaerellaceae Sphagnaceae Sphenocleaceae Sphinctrinaceae Splachnobryaceae Stackhousiaceae Staphyleaceae Strigulaceae Surianaceae Symplocaceae Syzygosporaceae Taccaceae Tamaricaceae Targioniaceae Taxaceae Tetraphidaceae Theliaceae Thrombiaceae Timmiaceae Trapaceae Tremellaceae Trichocoleaceae Tropaeolaceae Typhaceae Vezdaeaceae Xyridaceae Zannichelliaceae	Alkanna Amsinckia Anchusa Antiphytum Argusia Asperugo Borago Bothriospermum Bourreria Brunnera Buglossoides Carmona Cerinthe Cordia Cryptantha Cynoglossum Dasynotus Echium Ehretia Eritrichium Hackelia Harpagonella Heliotropium Lappula Lindelofia Lithospermum Macromeria Mertensia Myosotidium Myosotis Nonea Omphalodes Onosma Onosmodium Pectocarya Pentaglottis Plagiobothrys Pulmonaria Rochefortia Symphytum Tiquilia Tournefortia	1) Hackelia amethystina J.T. Howell 2) Hackelia bella (J.F. Macbr.) I.M. Johnst. 3) Hackelia besseyi (Rydb.) J.L. Gentry 4) Hackelia brevicula (Jeps.) J.L. Gentry 5) Hackelia californica (A. Gray) I.M. Johnst. 6) Hackelia ciliata (Douglas ex Lehm.) I.M. Johnst. 7) Hackelia cinerea (Piper) I.M. Johnst. 8) Hackelia cronquistii J.L. Gentry 9) Hackelia cusickii (Piper) Brand 10) Hackelia davisii Cronquist 11) Hackelia deflexa (Wahlenb.) Opiz 12) Hackelia deflexa (Wahlenb.) Opiz var. americana (A. Gray) Fernald & I.M. Johnst. 13) Hackelia diffusa (Lehm.) I.M. Johnst. 14) Hackelia diffusa (Lehm.) I.M. Johnst. var. arida (Piper) R.L. Carr 15) Hackelia diffusa (Lehm.) I.M. Johnst. var. cottonii (Piper) R.L. Carr 16) Hackelia diffusa (Lehm.) I.M. Johnst. var. diffusa 17) Hackelia floribunda (Lehm.) I.M. Johnst. 18) Hackelia gracilenta (Eastw.) I.M. Johnst. 19) Hackelia hirsuta (Woot. & Standl.) I.M. Johnst. 20) Hackelia hispida (A. Gray) I.M. Johnst. 21) Hackelia hispida (A. Gray) I.M. Johnst. var. disjuncta R.L. Carr 22) Hackelia hispida (A. Gray) I.M. Johnst. var. hispida 23) Hackelia ibapensis L.M. Shultz & J.S. Shultz 24) Hackelia micrantha (Eastw.) J.L. Gentry 25) Hackelia mundula (Jeps.) Ferris 26) Hackelia nervosa (Kellogg) I.M. Johnst. 27) Hackelia ophiobia R.L. Carr 28) Hackelia patens (Nutt.) I.M. Johnst. 29) Hackelia patens (Nutt.) I.M. Johnst. var. harrisonii J.L. Gentry 30) Hackelia patens (Nutt.) I.M. Johnst. var. patens 31) Hackelia pinetorum (Greene ex A. Gray) I.M. Johnst. 32) Hackelia pinetorum (Greene ex A. Gray) I.M. Johnst. var. jonesii J.L. Gentry 33) Hackelia pinetorum (Greene ex A. Gray) I.M. Johnst. var. pinetorum 34) Hackelia setosa (Piper) I.M. Johnst. 35) Hackelia sharsmithii I.M. Johnst. 36) Hackelia ursina (Greene ex A. Gray) I.M. Johnst. 37) Hackelia ursina (Greene ex A. Gray) I.M. Johnst. var. diaboli J.L. Gentry 38) Hackelia ursina (Greene ex A. Gray) I.M. Johnst. var. pustulata (J.F. Macbr.) J.L. Gentry 39) Hackelia ursina (Greene ex A. Gray) I.M. Johnst. var. ursina 40) Hackelia velutina (Piper) I.M. Johnst. 41) Hackelia venusta (Piper) H. St. John 42) Hackelia virginiana (L.) I.M. Johnst.
Pictures: genus Hackelia (North America): Hackelia deflexa var. americana USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 79. - Views: 144 Hackelia floribunda USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 78. - Views: 116 Hackelia virginiana USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 78. - Views: 208