Flora of North America species comparison

to 20 mm, central strand absent.

6–11 mm, central strand small, 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.

broadly oblong to lingulate, 1.5–3 mm;

apex muticous, obtuse to rounded;

margins plane;

costa ending below apex;

laminal cells 10–16 µm;

basal cells 30–50 µm, smooth;

basal marginal cells differentiated proximally, in 3–5 rows, longer than laminal cells.

4–14 mm, yellow to yellowish brown.

3–5 mm, reddish brown.

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, 1.5–3 mm, striate to weakly ribbed, yellowish brown;

exothecial cells long-rectangular to linear;

peristome absent;

operculum 0.5–0.7 mm long.

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

2.5–4 mm, lacerate at base, papillose on rostrum.

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

35–40 µm, with vermiculate ridges, brown.

asexual reproduction absent.

asexual reproduction absent.