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 loosely erect, flexuose when dry, lanceolate, 3–4 mm;

margins apparently revolute to near apex, entire;

apex narrowly acute to acuminate;

basal laminal cells elongate, walls thick, nodose;

distal cells 7–9 µm, 1-stratose, papillae 2 or 3 per cell, simple, small.

to 1.8 mm.

0.8–1.2 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.

immersed, ovate, widest mid capsule, 1.5–2.3 mm, smooth;

stomata superficial;

peristome double;

prostome absent;

exostome teeth 16, separate to base, recurved, acute, densely papillose;

endostome segments 16, well developed, usually present when capsule is old and dry, thick, stout, of 2 rows of cells, narrower than exostome teeth, erose, yellowish brown, densely papillose.

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

broadly oblong, smooth, moderately hairy, hairs smooth.

13–21 µm.

17–31 µm.

asexual reproduction absent.

asexual reproduction absent.