Families, genera and species in Oregon 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
Pinaceae Nyctaginaceae Malvaceae Fabaceae Rosaceae Asteraceae Aceraceae Berberidaceae Poaceae Ranunculaceae Acoraceae Pteridaceae Apiaceae Hippocastanaceae Lamiaceae Caryophyllaceae Simaroubaceae Polemoniaceae Alismataceae Chenopodiaceae Brassicaceae Liliaceae Monotropaceae Betulaceae Amaranthaceae Lythraceae Boraginaceae Primulaceae Saururaceae Scrophulariaceae Apocynaceae Aizoaceae Araliaceae Ericaceae Viscaceae Papaveraceae Plumbaginaceae Araceae Aristolochiaceae Asclepiadaceae Rubiaceae Aspleniaceae Campanulaceae Dryopteridaceae Solanaceae Azollaceae Saxifragaceae Elatinaceae Blechnaceae Orobanchaceae Ophioglossaceae Cabombaceae Buddlejaceae Cyperaceae Portulacaceae Callitrichaceae Cupressaceae Orchidaceae Convolvulaceae Onagraceae Cannabaceae Bignoniaceae Rhamnaceae Ulmaceae Gentianaceae Valerianaceae Ceratophyllaceae Euphorbiaceae Pyrolaceae Polygonaceae Fagaceae Capparaceae Santalaceae Commelinaceae Cornaceae Fumariaceae Crassulaceae Iridaceae Cucurbitaceae Cuscutaceae Thymelaeaceae Sarraceniaceae Dipsacaceae Droseraceae Hydrocharitaceae Pontederiaceae Elaeagnaceae Empetraceae Ephedraceae Equisetaceae Hydrophyllaceae Geraniaceae Grossulariaceae Cactaceae Celastraceae Limnanthaceae Frankeniaceae Oleaceae Garryaceae Crossosomataceae Linaceae Hippuridaceae Lycopodiaceae Clusiaceae Aquifoliaceae Balsaminaceae Isoetaceae Juglandaceae Juncaceae Lemnaceae Juncaginaceae Caprifoliaceae Moraceae Marsileaceae Loasaceae Menyanthaceae Molluginaceae Myricaceae Haloragaceae Najadaceae Zosteraceae Nymphaeaceae Oxalidaceae Paeoniaceae Urticaceae Vitaceae Zygophyllaceae Thelypteridaceae Hydrangeaceae Verbenaceae Phytolaccaceae Lentibulariaceae Plantaginaceae Polygalaceae Polypodiaceae Salicaceae Potamogetonaceae Pedaliaceae Dennstaedtiaceae Resedaceae Anacardiaceae Ruppiaceae Scheuchzeriaceae Selaginellaceae Smilacaceae Sparganiaceae Tamaricaceae Taxaceae Tiliaceae Typhaceae Lauraceae Violaceae Zannichelliaceae	Antirrhinum Besseya Castilleja Chaenorhinum Collinsia Cordylanthus Cymbalaria Digitalis Diplacus Euphrasia Gratiola Keckiella Kickxia Limosella Linaria Lindernia Mazus Mimetanthe Mimulus Misopates Neogaerrhinum Nothochelone Nuttallanthus Orthocarpus Parentucellia Pedicularis Penstemon Pseudolysimachion Rhinanthus Sairocarpus Scrophularia Synthyris Tonella Triphysaria Verbascum Veronica	1) Gratiola ebracteata Benth. ex A. DC. 2) Gratiola heterosepala H. Mason & Bacig. 3) Gratiola neglecta Torr.
Pictures: genus Gratiola (Oregon): Gratiola neglecta Robert H. Mohlenbrock USDA-NRCS PLANTS Database / USDA SCS. 1989. Midwest wetland flora: Field office illustrated guide to plant species. Midwest National Technical Center, Lincoln. - Not copyrighted image - Views: 99 Gratiola neglecta USDA-NRCS PLANTS Database / USDA NRCS. Wetland flora: Field office illustrated guide to plant species. USDA Natural Resources Conservation Service. - Not copyrighted image - Views: 100