Ecology: Submontane; probably on soil. Elevation: 900 m (Venezuela: ? m, Peru: 900 m). Distribution: Apparently widespread, not particularly common in the Neotropics.
Bryum radiculosum, according Ochi (1980) is similar to B. subapiculatum, differing by the glossy plants, costa yellow, not red, and long excurrent, the basal cells are quadrate, not rectangular.