Flora of North America species comparison

ovate or elliptic to obovate, apex broadly acute to rounded or emarginate, short- to long-awned, margins narrowly recurved or revolute to near apex, commonly bordered distally with 2–4 rows of thicker-walled, papillose to smooth cells;

costa long-excurrent, lacking an adaxial pad of cells, distally narrow, 3–4(–6) cells across the convex adaxial surface;

distal laminal cells hexagonal, 10–15 µm wide, 1:1, strongly papillose with 2(–4)-fid papillae.

obovate to spatulate, apex broadly acute or occasionally rounded, short-awned, margins weakly recurved proximally or occasionally plane, weakly bordered distally with 2–4 rows of slightly thicker-walled cells;

costa excurrent, lacking an adaxial pad of cells, distally narrow, 2–3 cells across the convex adaxial surface;

distal laminal cells irregularly hexagonal or sometimes rectangular, width 20–25(–29) µm wide, 1(–2):1, smooth or 1-papillose (best seen in section).

0.6–1.5 cm.

0.4–0.6 cm.

autoicous.

autoicous.

stegocarpic, not systylius, cylindric, erect and nearly straight, urn 1.5–2.7 mm;

peristome 300 µm, teeth of 32 filaments twisted 1/2–2 times, basal membrane low, to 50 µm;

operculum 0.6–1 mm.

stegocarpic, not systylius, short-cylindric, erect and nearly straight, urn 1–1.5 mm;

peristome absent or rudimentary;

operculum ca. 0.5 mm.

8–12 µm, spheric, finely papillose or essentially smooth.

30–35 µm, spheric, densely papillose.

exerted.

exerted.