Bryum atrovirens
- kingdom: Plantae
- phylum: Bryophyta
- class: Bryopsida
- order: Bryales
- family: Bryaceae
- genus: Bryum
- species: Bryum atrovirens
Horam- Southampton
England- Armagh
- Downpatrick
Northern Ireland
United Kingdom
Eureka- Monterey
- Pacific Grove
California- Brookdale
- Cedar Grove
- Montclair
- Upper Montclair
New Jersey- Penn Yan
New York
United States