''Sphaerocarpos drewiae'' is a species of

liverwort The Marchantiophyta () are a division of non-vascular land plants commonly referred to as hepatics or liverworts. Like mosses and hornworts, they have a gametophyte-dominant life cycle, in which cells of the plant carry only a single set of ...

in the family

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''. Distribution ...

. It is

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found els ...

California California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the ...

, where it is known from

San Diego San Diego ( , ; ) is a city on the Pacific Ocean coast of Southern California located immediately adjacent to the Mexico–United States border. With a 2020 population of 1,386,932, it is the eighth most populous city in the United States ...

and Riverside Counties. Its common name is bottle liverwort.''Sphaerocarpus drewei''.
CNPS, Rare Plant Program. 2015. Inventory of Rare and Endangered Plants (online edition, v8-02). California Native Plant Society. Accessed 31 August 2015. This liverwort grows in shady spots in

coastal sage scrub Coastal sage scrub, also known as coastal scrub, CSS, or soft chaparral, is a low scrubland plant community of the California coastal sage and chaparral subecoregion, found in coastal California and northwestern coastal Baja California. It is ...

habitat. It is associated with another rare endemic liverwort, ''

Geothallus tuberosus ''Geothallus'' is a monotypic genus of liverwort in the family Sphaerocarpaceae family. It includes only the single species ''Geothallus tuberosus''. Its common name is Campbell's liverwort. It is endemic to California, where it is known only ...

''. Much of its habitat is near urbanized areas and it is threatened with habitat loss. The name has occasionally been misspelled in the literature as ''Sphaerocarpos drewei''

References

Sphaerocarpales Endemic flora of California Bryophyta of North America Natural history of the California chaparral and woodlands Natural history of Riverside County, California Natural history of San Diego County, California Natural history of the Peninsular Ranges Taxonomy articles created by Polbot Taxobox binomials not recognized by IUCN {{Bryophyte-stub