Bryologist 115: 531, figs. 1, 2 [right]. 2012.
Erect stems 1–3 cm, not dendroid; sterile stems to 3(–4) cm. Leaves dark green or yellow-green, crisped and contorted when dry, flat when moist, elliptic, 3–5 mm; base narrowly decurrent; margins toothed from about mid leaf to apex, teeth sharp, of 1 (or 2) cells; apex acute or acuminate, cuspidate, cusp sometimes toothed; costa percurrent or short-excurrent; medial laminal cells ± isodiametric or short-elongate, 20–30 µm, slightly smaller near margins, occasionally in longitudinal and diagonal rows, strongly collenchymatous, walls not pitted; marginal cells linear, in 2–4 rows. Sexual condition dioicous. Seta single, yellow or brown, 2–3 cm. Capsule pendent, cylindric, 1.5–2.5 mm, neck not distinct; operculum conic. Spores 25–30 µm.
Phenology: Capsules mature spring.
Habitat: Soil over limestone
Elevation: low elevations
Fla., Ga., Miss.
See discussion for this species under 3. Plagiomnium cuspidatum.