TUCSON, Ariz.— The Center for Biological Diversity and Maricopa Audubon Society sued the U.S. Bureau of Land Management today for failing to protect a semi-aquatic endangered plant in the San Pedro ...

This spooky-sounding flower is considered by ecologists to be the most endangered woodland plant in the UK. This is partly because it has such specific growing conditions. Unlike most plants ...

For decades the Pacific Legal Foundation has attempted to remove protections for a number of endangered species, including marbled murrelets, woodland caribou, Southern Resident orcas ... s fragile ...