Campylopus weberbaueri Broth., Bot. Jahrb. Syst. 56: 5. 1920. Type. Peru, Dept. Loreto, Weberbauer 4718.
Campylopus wurdackii Robins., Bryologist 70: 319. 1967. Type. Peru, Dept. Amazonas, Prov. Chachapoyas, Wurdack 1524 (US).
Plants large, laxly caespitose, pale green to yellow; stems moderately red-tomentose, with comal tufts, 2–6 cm long. Leaves 8–13 mm long, circinate above, stem leaves erect, comal leaves patent, narrowly lanceolate, oblong below, long-subulate above; margins serrate; costa percurrent to shortly excurrent, 1/3–1/2 the leaf width at base, sharply serrate above at back, in cross section guide cells well-developed, ventral hyalocysts absent, dorsal and ventral stereid bands well-developed; upper cells quadrate, firm-walled, not porose; basal cells long rectangular, incrassate and porose, those at the margin narrower, forming an indistinct, non-hyaline border; alar cells reddish brown, in excavate groups. Setae clustered in comal tufts, 7–8 mm long, yellow; capsules oval, inclined, plicate when dry, 1.5–2.0 mm long, strumose at base. Calyptrae ciliate at base.