Curated OER
National Park Service: Alien Plant Invaders of Natural Areas
A virtual who's who of invasive plants, herbs, vines, shrubs, and trees. This comprehensive site provides easy-to-read fact sheets that contain native ranges, plant descriptions, ecological threats, U.S. distributions & habitats,...
Curated OER
Etc: Maps Etc: Vegetation of North America, 1916
A map from 1916 of North America, Central America, Greenland, and the Caribbean to Puerto Rico showing the general distribution of vegetation types in the region. The map is color-coded to show natural vegetation in areas of ice desert,...
University of California
University of California, Berkeley: Cal Photos: Plants
Need a photo for a project, report, multimedia presentation on plants from around the world as well as California? Find fair use images of specific plants by searching with the scientific name, common name, or location.