Flora of North America species comparison

leaves channeled, concave, 1.1–1.8 mm;

apex sometimes incurved;

costa broadly channeled;

alar cells yellow, ± inflated at marginal insertion;

basal laminal cells 6–10 µm. Perichaetial leaves closely clasping seta, broadly lanceolate, to 2 mm, apex acute or acuminate, basal laminal cells rectangular, yellowish green.

creeping, branches erect.

erect-appressed and stiff when dry, spreading to wide-spreading when moist, broadly lanceolate to oblong-lanceolate, not rugose;

margins entire;

apex obtuse, acute, or cuspidate;

costa ending just below apex;

basal laminal cells rectangular to quadrate;

distal cells ± rounded-quadrate, 6–10 µm, smooth;

marginal cells not distinct from basal.

dextrorse.

2–3.5 mm.

autoicous;

perichaetial leaves longer than stem leaves.

0.9–1.3 mm, sharply contracted to seta, neck absent;

exostome teeth 3–6 cells high, rudimentary, truncate.

long-exserted, ovate to ovate-oblong, wrinkled when old and dry, not constricted below mouth;

stomata absent;

peristome single;

exostome teeth 16, smooth.

cucullate, long-conic, smooth, naked, not plicate, covering distal 1/3 of capsule.

rounded-quadrate to elliptic-rectangular, 70–100 µm in longest dimension, almost smooth, brown.

isosporous, multicellular.