Didymodon umbrosus
- kingdom: Plantae
- phylum: Bryophyta
- class: Bryopsida
- order: Pottiales
- family: Pottiaceae
- genus: Didymodon
- species: Didymodon umbrosus
San Marcos- Tula de Allende
Hidalgo
Mexico
Southampton
England
United Kingdom
La Mesa- Sacramento
California
United States