Flora of North America species comparison

40–80 mm;

central strand small.

10–25 mm, central strand absent.

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.

ligulate to lingulate or narrowly lanceolate, 3.5–5.5 mm, apices broadly acute to rounded, mucronate to apiculate, margins irregularly recurved or sometimes plane;

costa excurrent to percurrent or subpercurrent;

laminal cells 9–14 µm;

basal cells rectangular, 40–110 µm, papillose more or less in rows across leaf above;

basal marginal cells not differentiated, papillose.

12–20 mm, reddish brown.

6–19 mm, dark 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.

cylindric, 3–4 mm, smooth, yellowish brown, exothecial cell walls rectangular, thickened;

peristome double, yellowish brown, 16 teeth, linear-lanceolate, 0.5 mm, papillose, erect, endostome without basal membrane, fused to teeth, papillose, almost as long as teeth;

operculum 2 mm.

4–8 mm, lacerate at base, papillose.

5–7 mm, lacerate at base, papillose from apex to mid body.

14–24 µm, granulate, brownish green.

20–26 µm, warty-papillose yellowish brown.

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

asexual reproduction absent.