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Flora of North America
Electronic Version of Flora of North America
Native Plant Database
Search for 7,174 native plants by scientific or common name or family of plants.
A Guide from Rutgers University.
Lady Bird Johnson Wildflower Center
Information on hundreds of native American wildflowers. Excellent links to other resources.
Native Plants of Indiana
"On this page, you will find lists of selected native trees, shrubs, ferns, vines, grasses and nectar plants appropriate for your garden or Certified Wildlife Habitat. We also list invasive exotic species you should avoid planting and remove from your property whenever possible."
United States Department of Agriculture Plant Directory
The PLANTS Database provides standardized information about the vascular plants, mosses, liverworts, hornworts, and lichens of the U.S. and its territories.
Botanical/Systematic Description Examples