From the Ohio Agricultural Research & Development
Center. Searchable and browsable by common or scientific
name. Gives description, including picture, origin and distribution,
toxicity, biology, similar plants and varying names, miscellaneous
facts and folklore.
A public education project of the Plant
Conservation Alliance Alien Plant Working Group. Provides
information about the threat and impact of invasive alien
plants to native ecosystems. Illustrated fact sheets for
a variety of plants with descriptions, habitat, native range,
distribution and management approaches. Includes good background
information on the problem of invasive alien plants, plus
links to other Internet resources.
This site is designed to help land management and weed
regulatory agencies detect and track weed distribution.
It's focus is five states in the northwest but includes
noxious weed listings for all 48 contiguous states.
Many non-native plants/animals/pathogens that are brought
into the country are quite harmless, but about one in seven
becomes an invader! An article from Consequences,
a publication of US Global Change Research Information Office.
An "Online Encyclopedia of Life" from the Association
for Biodiversity Information. This database contains "conservation
status, taxonomic, and distribution information for over
50,000 plants, animals, and ecological communities in the
United States and Canada."
Naturalist "Wildman" Steve Brill presents excellent
illustrations from all stages of the yearly lifecycle of
the species, along with recipes in case you want to try
this method for control and eradication :)
Web site is currently under reconstruction - see the former
version at http://web.archive.org/web/20020602070913/http://invasives.fws.gov/.
Activities to prevent and control invasive plant and animal
species that severely impact the lands and waters of the
United States, including resources managed within the National
Wildlife Refuge System.