Flora of North America species comparison

to 20 mm, central strand absent.

to 10 mm, central strand weakly differentiated, cells very thin-walled.

oblong to elliptic, 4–6 mm, apices broadly acute to rounded, mucronate to cuspidate, margins recurved below mid-leaf;

costa excurrent or subpercurrent, narrow;

laminal cells 10–20 µm,;

basal cells rectangular, 50–120 µm, smooth;

basal marginal cells weakly differentiated below, in 4–8 rows, elongate, smooth.

oblong to lingulate or ligulate, 1.5–3 mm, apices obtuse to broadly acute, hair-pointed, margins plane, weakly bordered;

costa excurrent, awns shorter than leaf lamina, smooth, narrow;

laminal cells 12–18 µm;

basal cells rectangular, 30–70 µm, smooth;

basal marginal cells weakly differentiated, in 12–18 rows, longer than laminal cells.

4–14 mm, yellow to yellowish brown.

3–8 mm, dark red.

cylindric, 2–3 mm, smooth, constricted below mouth, yellowish brown, exothecial cells rectangular, 50–120 µm;

peristome single, yellowish red to hyaline, 16 teeth, lanceolate, to 0.3 mm high, papillose, erect;

operculum 1–1.5 mm.

short-cylindric, 1–2 mm, weakly striate to ribbed, gymnostomous, yellowish brown, exothecial cells rectangular to linear, walls thickened;

peristome absent;

operculum 0.5 mm.

3–7 mm, fringed at base, smooth or rarely papillose at apex.

2–4 mm, lacerate at base, smooth.

30–40 µm, plicae and pitted, brownish yellow.

26–35 µm, warty, brown.

asexual reproduction absent.

asexual reproduction absent.