Dicranum rhabdocarpum Sull., Mem. Amer. Acad. Arts n. ser. 4: 172. 1849. Type. U.S.A., New Mexico, Santa Fe, Fendler s.n.
Plants small, pale yellowish green; stems erect, 1–2 cm (reported to 5 cm) long. Leaves crowded, evenly spaced, suberect to nearly straight when wet, erect-spreading to weakly flexuous when dry, ovate-lanceolate, 3–5 mm long, broadly and shortly acuminate; margins plane, serrulate above, marginal cells not differentiated; costa ending just below the apex, toothed dorsally above; cells incrassate and porose, upper cells elongate to irregularly rhomboidal; basal cells rectangular; alar cells forming distinct groups, reddish brown, shortly rectangular, thin-walled. Setae single, 1.5–2.0 cm long, yellow or light reddish; capsules, erect, cylindrical, 3.0–3.5 mm long; peristome teeth reddish brown; opercula 1.5–2.0 mm long.