Ecology: Open montane to páramo and puna; on soil and rocks. Elevation: 1400-4370 m (Venezuela: ? m, Colombia: 1400-3500 m, Ecuador: 1850-4300 m, Peru: 2600-4370 m, Bolivia: 3200-4200 m). Distribution: High elevations from Mexico to at least Bolivia.
Bryoerythrophyllum jamesonii is distinguished by the ovate-oblong leaves to 3.5 mm, broadly acute apex, usually strongly toothed distally along margin, gradually differentiated, thick-walled, rectangular inner basal leaf cells (not inflated). Bryoerythrophyllum campylocarpum is similar to B. jamesonii, but the inner basal cells are inflated and thin-walled; see additional comments given for B. campylocarpum. Synonyms include Leptodontium albovaginatum Herzog, L. subplanifolium Thér., Tortula armata Broth. (fide Cano & Gallego 2008, see Tortula references).
Bryoerythrophyllum jamesonii se distingue por las hojas ovado-oblongas hasta 3.5 mm, ápices anchamente agudos, por lo general marcadamente dentados distalmente a lo largo del margen, células basales internas de las hojas rectangulares, con paredes gruesas, gradualmente diferenciadas (no infladas). Bryoerythrophyllum campylocarpum es similar a B. jamesonii, pero las células basales internas son infladas y con paredes delgadas; ver comentarios adicionales para B. campylocarpum.