[beta.floranorthamerica.org] Description, Phenology, Habitat, Elevation: Plants in dense or open turfs, green or yellow-green. Stems 1 - 2 (-3) cm, comose, innovations comose or somewhat elongate and evenly foliate; often strongly radiculose. Leaves green, twisted to contorted when dry, ovate-lanceolate, flat to weakly concave, (1-) 2 - 3 (-3.5) mm, somewhat enlarged toward stem apex; base weakly decurrent; margins revolute to mid leaf or beyond, limbidium strong, in 2 or 3 rows, yellowish; apex acuminate; costa long-excurrent, awn ± smooth; proximal laminal cells 3 - 4:1, same width or sometimes wider than more distal cells; medial and distal cells rhomboidal, 14 - 22 µm wide, 3 - 4:1, walls usually thin to firm, never oblique to costa. Specialized asexual reproduction absent. Sexual condition synoicous. Seta 1 - 2 (-3) cm. Capsule brown, elongate-pyriform, symmetric, 2 - 4 mm, mouth yellow; operculum conic, apiculate; peristome well developed; exostome teeth yellow basally, hyaline distally, lamellae usually straight mid tooth, pores absent along mid line; endostome not adherent to exostome, basal membrane high, 1/2 exostome height, segments with broadly ovate perforations, cilia long, appendiculate. Spores 10 - 14 (-16) µm, finely papillose, pale brown-yellow or green.
Phenology: Capsules mature May -Sep.
Habitat: Damp to dry soil, soil over rock
Elevation: low to high elevations (0 - 3500 m) (link added by Mary Ann Machi)