Sphaerocarpos drewei
Encyclopedia
Sphaerocarpos drewei is a species of liverwort
Marchantiophyta
The Marchantiophyta are a division of bryophyte plants commonly referred to as hepatics or liverworts. Like other bryophytes, they have a gametophyte-dominant life cycle, in which cells of the plant carry only a single set of genetic information....

 in the Sphaerocarpaceae
Sphaerocarpaceae
Sphaerocarpaceae is a family of liverworts known as bottle liverworts. Approximately ten species are included in this family, most of them in the genus Sphaerocarpos, but one additional species in the genus Geothallus....

 family. It is endemic to the area near San Diego, California
California
California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

, in the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

. Its natural habitat
Habitat
* Habitat , a place where a species lives and grows*Human habitat, a place where humans live, work or play** Space habitat, a space station intended as a permanent settlement...

 is temperate grassland
Grassland
Grasslands are areas where the vegetation is dominated by grasses and other herbaceous plants . However, sedge and rush families can also be found. Grasslands occur naturally on all continents except Antarctica...

. It is threatened by habitat loss.
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