Ecology: Lower montane to shrubby páramo; on logs and rocks. Uncommon, at elevations from 1850-3100 m (Venezuela: 1850-2200 m, Ecuador: 2925m, Peru: 1900-2200 m, Bolivia: 3100 m). Distribution: Mexico, Central America (Guatemala, Costa Rica), Venezuela, and southeast Brazil.
Campylopus cuspidatus is distinguished by the large plant stature to 15 cm, equally foliate stems, lanceolate leaves to 7 mm, involute margins above, often spurred costa, 1/3 or less width at leaf base, similar, thick-walled, porose laminal cells, auriculate, inflate, collenchymatous alar cells. Campylopus bolivarensis E.B. Bartram is a synonym.
Specimens: VENEZUELA. Amazonas: Buck & Brewer 15555 (MO, NY); Táchira: Griffin et al. 322 (FLAS).