Wildflowers of the United States

Reference List for Wyoming Wildflower Identification
Site	Description
Wyoming Native Plant Society	We need to be aware of the importance of native plants in the environment. This "top spot" in the reference list will be a native plant organization in each state. "Wyoming Native Plant Society (WNPS) goals are to encourage the appreciation and conservation of the native flora and plant communities of Wyoming through education, research, and communication."
Wildflowers and Grasses of South Dakota - a set on Flickr	A set of 76 South Dakota and Wyoming wildflowers on Flickr, taken by soniawc. Thumbnails are ordered by the date the photo was taken. Many of the species are identified, but some are not.
University of Wyoming Rocky Mountain Herbarium	"Founded in 1893 by Aven Nelson, the Rocky Mountain Herbarium (RM) contains the largest collection of Rocky Mountain plants and fungi in existence with additional representation of the floras of other parts of the Northern Hemisphere."
Lady Bird Johnson Wildflower Center at the University of Texas at Austin	Perhaps the most comprehensive native wildflower information site in the United States. "Discover more than 10,050 plants native to North America."
USDA Plants Database	Great 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 America	Over 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.com	Steven 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.
Item at Amazon: Wildflowers of Wyoming: Second Edition (Commission to USWildflowers.com if purchased)	Described as "a no-nonsense wildflower reference and identification guide" and "sorting small-sized pictures of Wyoming wildflowers by color and flower shape, makes identifying a given species of flower an extremely simple task" by a reviewer on Amazon.com.
Wildflower Information.org	From 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.

Looking for Wildflowers for a specific state? Check here: Number of References for Wyoming: 9