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 occasionally ovate, apex acute or broadly acute, awned, margins recurved or plane proximally, not bordered;

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

distal laminal cells hexagonal to rhomboidal, width 15–22 µm wide, 1:1 near apex but elongate at mid leaf and basally, smooth.

0.6–1.5 cm.

0.8–1.1 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.

systylius, short-cylindric, erect and nearly straight, urn 1.5–2 mm;

peristome 200–250 µm, teeth 16, straight, divided to near base but variously fused or perforate, basal membrane low;

operculum 0.5–0.7 mm.

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

22–30(–35) µm, spheric, warty papillose.

exerted.

exerted.