Geothallus
| Geothallus | |
|---|---|
Critically Imperiled (NatureServe) | |
| Scientific classification | |
| Kingdom: | Plantae |
| Division: | Marchantiophyta |
| Class: | Marchantiopsida |
| Order: | Sphaerocarpales |
| Family: | Sphaerocarpaceae |
| Genus: | Geothallus Campb. |
| Species: | G. tuberosus
|
| Binomial name | |
| Geothallus tuberosus | |
| Synonyms | |
| |
Geothallus is a monotypic genus of liverwort in the family Sphaerocarpaceae. Its sole species, Geothallus tuberosus, is a critically endangered species endemic to California in the United States. Described in 1896 by American botanist Douglas Houghton Campbell, it is commonly known as Campbell's liverwort.