liverworts
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 ge ...
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
''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 fro ...
''.
Distribution
The majority of species in the family occur along the western edge of the Americas, from Washington to central Chile. However, the type species for ''Sphaerocarpos'', ''S. michelii'', is native to Europe. The weedy species '' Sphaerocarpos texanus'' is distributed widely in fields and gardens of North America, western Europe, and Mediterranean Africa. It may have been introduced with soil brought with crops or garden plants imported from the Americas.
Classification
The group was recognized as a tribe by
Barthélemy Dumortier
Barthélemy, or Barthélémy is a French name, a cognate of Bartholomew. Notable people with this name include:
Given name
* Barthélemy (explorer), French youth who accompanied the explorer de La Salle in 1687
* Barthélémy Bisengimana, Cong ...
in 1874 and elevated to family rank in 1891 by
Moritz Heeg Moritz is the German equivalent of the name Maurice. It may refer to:
People Given name
* Saint Maurice, also called Saint Moritz, the leader of the legendary Roman Theban Legion in the 3rd century
* Prince Moritz of Hesse (2007), the son of ...
, under the name "Sphaerocarpeae". Two extant
genera
Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nomenclat ...
are recognized, with a single species in ''Geothallus'' and the remaining species assigned to ''Sphaerocarpos''
Species
* ''
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 ...
Sphaerocarpos donnellii
''Sphaerocarpos'' is a genus of plants known as bottle liverworts. There are eight or nine species in this genus.
Classification
''Sphaerocarpos'' is one of two extant genera in the famly Sphaerocarpaceae. The following species are currentl ...