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Reference List for Oklahoma Wildflower Identification

Site Description
The Wonderful World of Oklahoma Wildflowers by L. George Zabawa Really nice photos and good information about over 100 Oklahoma wildflowers. Species list, also organized to browse by family and by color. Much more granular color selection than available on most sites (including USWildflowers.com.)
The Noble Foundation Plant Image GalleryThe Samuel Roberts Noble Foundation's plant photographs of a large number of Oklahoma plants. Divided into three sections, the "grasses" and "trees/shrubs" group have the best search capabilities, with the forbs (herbaceous flowering plants) group having the weakest search engine, but they promise that to be improved.
Oklahoma Wildflowers Photo Gallery by Richard AllenAround 150 Oklahoma wildflowers with nice photographs. All listed on a single thumbnail page with multiple images for some flowers. Larger image page with some additional interesting information available. Alphabetical by common name.
Lady Bird Johnson Wildflower Center at the University of Texas at AustinPremier native wildflower information site in the United States. "Native Plant Database - Search 7,024 native plant records by traits or names. Image Gallery - Browse through our collection of 23,770 native plant images. Ask Mr. Smarty Plants - Have a question? Mr. Smarty Plants has 3,584 answers. How To Articles - Don't know where to start, try one of our articles."
USDA Plants DatabaseGreat resource for native plants! Their own description: "The PLANTS Database provides standardized information about the vascular plants, mosses, liverworts, hornworts, and lichens of the U.S. and its territories." Provides these important (to me) pieces of info: 1) Listing by state and county within a state where specific species have been identified. 2) Scientific name synonyms are listed. 3) Scientific names are matched to a widely-used common name. 4) Photographs of many species. 5) State by state list of all the species identified in that state. Official Citation: USDA, NRCS. 2009. The PLANTS Database (http://plants.usda.gov, 22 June 2009). National Plant Data Center, Baton Rouge, LA 70874-4490 USA.
Flicker Wildflower Field Guide, North AmericaOver 9,000 Flickr member photos tagged with wfgna. The WFGNA group has good tagging requirements for their excellent photos, so you'll find, in addtion to the photo, the state in which the photo was taken, and at least a common name and the scientific name as identified by the contributor. After you get to the linked page you should add search criteria, including the state name, the color of the plant, or scientific name, to reduce the number of photos. Several states have several hundred photos(California has over 1,500!) so you'll probably want to add color to the search criteria.
WildflowerSearch.comSteven K. Sullivan has done a tremendous job of putting together a database and search engine to help in identifying wild plants. Not only can you search by plant scientific and common names, you can narrow the results using location (currently lower 48 states and parts of Canada and Mexico), flower shape, color, size, habitat, and observation time. His database currently includes over 7,000 plants. Definitely worth checking out.
Wildflower Information.orgFrom the site: "WildflowerInformation.org is a resource for wildflower enthusiasts and gardeners. With a growing interest in the environment and natural gardening, our objective is to offer comprehensive information that is easy to use, and accessible for those from the casually interested to the expert."

While this information doesn't appear to be on the website itself, WildflowerInformation.org seems to be owned by American Meadows, the "recommended wildflowers seed supplier" of WildflowerInformation.org.
Item at Amazon: National Audubon Society Field Guide to North American Wildflowers--E: Eastern Region - Revised Edition
(Commission to USWildflowers.com if purchased)
"...gives full descriptions of more than 650 species found east of the Rocky Mountains, along with notes on several hundred more. The eminently sensible organization relies on first-impression visible characteristics..."
I use this guide frequently, and unless I have a good idea what family a flower is in, this is usually still my first stop. In my opinion, a must-have for beginning wildflower enthusiasts; augments more locale-specific wildflower references.

Looking for Wildflowers for a specific state? Check here:

Number of References for Oklahoma: 9

USWildflowers.com Database

Family Index for 334 Wildflowers of Oklahoma
Thumbnails of 334 Wildflowers of Oklahoma
Calystegia sepium
White Wildflowers of Oklahoma (145)
Heterotheca subaxillaris
Yellow Wildflowers of Oklahoma (92)
Ruellia caroliniensis
Red Wildflowers of Oklahoma (113)
Delphinium tricorne
Blue Wildflowers of Oklahoma (52)
Arisaema dracontium
Green Wildflowers of Oklahoma (31)
Listera australis
Other Color Wildflowers of Oklahoma (8)

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Page updated 02/09/2017