Flora of North America species comparison

40–80 mm;

central strand small.

5–20 mm, central strand small.

broadly ovate to elliptic, lingulate or narrowly spathulate, 2.5–5 mm;

apices broadly acute to obtuse, sometimes cucullate, mucronate or occasionally short hair-pointed;

one or both margins recurved from base to distal portion of leaf;

costa ending before apex, percurrent or occasionally short-excurrent in distal leaves, abaxial surface smooth distally;

laminal cells 12–18 µm;

basal cells 30–90 µm, smooth;

basal marginal cells not distinctly differentiated.

broadly oblong to lingulate, 3–4 mm;

apices broadly acute to obtuse, sometimes weakly cucullate or muticous;

margins plane or weakly incurved;

costa subpercurrent or percurrent, papillose;

laminal cells 8–14 µm;

basal cells smooth.

12–20 mm, reddish brown.

4–8 mm, yellowish red.

2–4 mm, spirally ribbed, brown to brownish yellow, exothecial cells linear, walls thickened along ridges;

peristome double, teeth 16, reddish yellow, linear, 1 mm, papillose, endostome teeth linear from high basal membrane, adhering to exostome, papillose;

operculum 1.5–2 mm.

exserted, erect, cylindric, 2–3.5 mm, weakly straight-furrowed, yellowish brown, exothecial cells rectangular, walls weakly thickened;

peristome absent or just a short hyaline membrane present;

operculum 1.5 mm.

4–8 mm, lacerate at base, papillose.

4–5 mm, base not fringed, body smooth or papillose above or throughout.

14–24 µm, granulate, brownish green.

22–35 µm, warty, light brown.

asexual reproduction by rhizoidal gemmae, in tufts on stems, filamentous, branching, brown, smooth.

asexual reproduction absent.