Liverwort
- kingdom: Plantae
- phylum: Marchantiophyta
- class: Marchantiopsida
- order: Marchantiales
- family: Aytoniaceae
- genus: Plagiochasma
- species: Plagiochasma rupestre
Pachuca de Soto
Hidalgo- Cuernavaca
Morelos- Yanga
Veracruz
Mexico
El Paso
Canary Islands
Spain
Tucson
Arizona- San Ysidro
New Mexico
United States