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-appressed and often slightly contorted when dry, narrowly lanceolate to oblong-lanceolate, 2–3.6 mm;

margins revolute to near apex, entire;

apex acute;

basal laminal cells elongate-rectangular, walls thick, nodose;

distal cells 7–14 µm, 1-stratose, papillae 2 or 3 per cell, conic, size moderate.

to 1.8 mm.

0.5–1.6 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.

1/2–2/3 emergent, sometimes immersed or fully exserted, oblong to oblong-cylindric, 0.8–1.5 mm, strongly 8-ribbed 1/2–2/3 length;

stomata superficial;

peristome double;

prostome rudimentary or absent;

exostome teeth 8, reflexed, reticulately papillose to obscurely papillose, deeply perforate, cancellate;

endostome segments 8, well developed, usually present when capsule is old and dry, narrow, of 1 or 2 rows of cells, smooth or finely verrucose.

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

oblong-conic, smooth, sparsely hairy, hairs smooth or papillose.

13–21 µm.

19–29 µm.

asexual reproduction absent.

asexual reproduction absent.