Flora of North America species comparison

leaves stiff, erect-appressed when dry, narrowly lanceolate to ovate-lanceolate, 2–4.5 mm;

margins recurved to narrowly revolute to near apex, entire;

apex sharply to slenderly acute;

basal laminal cells elongate to rectangular, walls thick, ± nodose;

distal cells 6–13 µm, 1-stratose, papillae 1 or 2 per cell, conic and small, or 2-fid and low.

leaves erect and loosely appressed when dry, oblong-lingulate, oblong-lanceolate, or ovate-lanceolate, 2.8–5 mm;

margins strongly revolute to just below apex, usually irregularly dentate at apex;

apex obtuse, flat;

basal laminal cells rectangular to short-rectangular, walls thin, not nodose;

distal cells 10–13 µm, 1-stratose, papillae 1–3 per cell, conic, small.

to 1.8 mm.

1–1.5 mm.

gonioautoicous.

gonioautoicous.

immersed, emergent, or slightly exserted, usually 1/3 emergent, globose ovate, ovate-oblong, or short-oblong, 1.3–1.8 mm, slightly or distinctly 8-ribbed 1/2–2/3 length;

stomata superficial;

peristome single, rarely double;

prostome large, conspicuous, or rudimentary;

exostome teeth 16, erect or sometimes spreading-recurved when old, smooth, scattered-papillose, or coarsely papillose-granulate;

endostome segments absent, or rarely 8, rudimentary, of 1 row of cells, smooth or roughened.

barely to 3/4 emergent when dry, immersed when moist, oblong to oblong-ovate, 1.5–2.5 mm, strongly 8-ribbed entire length;

stomata immersed;

peristome double;

prostome sometimes present;

exostome teeth 8, sometimes splitting to 16, erect, loosely reflexed when old, irregularly papillose, papillae usually confluent forming longitudinal striae;

endostome segments 16, occasionally rudimentary, usually of 1 row of cells, finely papillose.

oblong, smooth, hairy or rarely naked, hairs finely papillose.

long-rostrate, papillose, naked.

13–21 µm.

10–17 µm.

asexual reproduction absent.

asexual reproduction absent.