Bryum pallescens Schleich. ex Schwaegr., Sp. Musc. Frond., Suppl. 1(2): 107. 1816. Bryum pseudotriquetrum var. pallescens (Schwaegr.) Dix., Stud. Handb. Brit. Mosses (ed. 3): 364. 1924. Protologue: Germany, Switzerland, Austria. In subalpinis Sudetum et Helvetiae legerunt Schleicher et Car. Ludwig, Salisburgi Flörke, in alpinis graniticis Styriae ego, vere et aestate florens.
Plants small to medium-sized, green to yellowish green, sometimes tinged red, in loose or dense tufts 1–30 mm high; rhizoids moderately developed at base, papillose. Leaves 1.5–3 mm long, spirally twisted and appressed when dry, erect‑spreading when wet, ovate to ovate‑lanceolate, not decurrent; apices long-acuminate; margins strongly revolute to the apex, strongly limbate, entire; costae strong, long-excurrent; upper cells oblong‑hexagonal, firm‑walled, 26–44 μm long, basal cells short-rectangular to quadrate near the margins, firm‑walled, 30–50 μm long. Autoicous or synoicous. Sporophytes not known from Central America. Setae to 20–40 mm long, red‑brown. Capsules 3–4 mm long, clavate, constricted at neck, pendent; opercula conic‑apiculate, 0.5 mm long; exostome teeth brown to yellowish brown, papillose, endostome hyaline to yellowish, basal membrane to ½ of exostome teeth length, segments broadly perforate, smooth to lightly papillose, cilia 2–3, nodose or appendiculate. Spores 18–36 μm, papillose (Allen 1995).