Database Collection

Your Current Search

Subject
remove Conservation
Name
remove I

Refine Your Search

By Keyword

Change Subject

Change Title

CNPS has tracked plants that are rare from a statewide perspective since the late 1960's with over 2,000 taxa currently considered by CNPS to be rare statewide. The mission of the CNPS Rare Plant Program is to develop current, accurate information on the distribution, ecology, and conservation status of California's rare and endangered plants, and to use this information to promote science-based plant conservation in California.
a comprehensive database of exotic plant names and weed distribution records for five states in the northwestern United States. Noxious weed listings are provided for all US states and six southern tier Canadian provinces. The INVADERS web site contains actual examples of how land management and weed regulatory agencies are using these data to improve their weed management programs.
The IUCN Red List is the world's most comprehensive inventory of the global conservation status of plant and animal species. It uses a set of criteria to evaluate the extinction risk of thousands of species and subspecies.