Ecology: Open and forested montane, often associated with Quercus humboldtii woods (of Colombia), probably extending into the shrubby paramo and puna; on soil, soil covered rocks, decaying wood, and exposed roots of Quercus. Elevation: 1600-4500 m (Venezuela: 1700-2765 m, Colombia: 1600-3850 m, Ecuador: ? m, Peru: 2000-4500 m, Bolivia: 1800-3400 m). Distribution: Central America and Andes.
Campylopus concolor is distinguished by the equally foliate stems to 8 cm, comose or not at stem tips, elongate, ovate-long lanceolate leaves to 9 mm, costa 1/2-2/3 width at leaf base, serrate at tips, in cross-section ventral hyalocysts and dorsal stereids, subquadrate to short rectangular upper laminal cells, thick-walled, rectangular basal cells, hyaline or reddish alar cells protruding into the costa region, setae often two or more in comal leaves, asymmetric, strumose, curved capsules, and calyptrae base ciliate.
Specimens: VENEZUELA. Aragua: Pittier 439 (NY). COLOMBIA. Cauca: Churchill & Betancur 18096-A (HUA, MO, NY); Cundinamarca: Linares C. & Churchill 3608 (COL, MO, NY).