Ecology: Montane forest and shrubby páramo and puna; on logs, branches of trees and nodes of Chusquea also on soil covered rocks. Elevation: 1500-3400 m (Venezuela: 3000-3350 m, Colombia: 1500-3220 m, Ecuador: 2000-3350 m, Peru: 3000-3100 m, Bolivia: 2700-3400 m). Distribution: Central America and tropical Andes. The basal cells, above the alar region, are occasionally porose.
Campylopus asperifolius, typically epiphytic, is characterized by the laxly foliate stems to 10 cm, distant and spreading narrowly ovate-lanceolate leaves to 7 mm, excurrent costa, ca. 1/2 width of leaf base, ventral hyalocysts, dorsal and median chlorocysts (stereids absent), similar upper and basal laminal cells, inflating alar cells protruding into the costa region, presence of propaguliferous in axial of upper comose leaves, setae to 10 mm, and erect, furrowed capsules. The basal cells, above the alar region, are occasionally porose. Synonyms include Campylopus trichophorus Hampe ex Herzog and C. weddelii Besch.
Specimens: VENEZUELA. Mérida: Griffin & Dugarte PV-1097 (MO); Táchira: Griffin et al. 466 (MO). COLOMBIA. Antioquia: Churchill & Sastre-D. J. 13104 (HUA, NY); Cundinamarca: Linares C.& Churchill 3997 (COL, MO, NY). ECUADOR. Loja: Steere & Balslev 25898 (NY); Napo: Løjtnant & Molau 13058 (NY). BOLIVIA. Santa Cruz: Churchill et al. 22391 (BOLV, MO, USZ).