These sites are a selection of useful botany resources available on the web and will serve as starting points for your search. An excellent starting point for your search. MUSE A general list of botany and biodiversity sites.
Most programs have online lists of the rare plants found within their state or province.
View a list of Canadian, U.S., Caribbean, Latin American programs, and other biodiversity data centers. A central source of online information for more than 50,000 plants, animals, and ecological communities of the United States and Canada is NatureServe . Emphasis is on rare species and communities but the searchable database includes common plants and animals too. NatureServe is a product of the Association for Biodiversity Information in collaboration with the Natural Heritage Network. Conservation status, distribution maps, species life-history, and habitat needs are some of the data available.