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 appressed when dry, ovate-lanceolate to oblong-lanceolate, 1–2.2 mm;

margins revolute nearly to apex, entire except for denticulate apex on some leaves;

apex narrowly obtuse to broadly acute, sometimes apiculate;

basal laminal cells broadly rectangular, walls thin, not nodose;

distal cells 9–14 µm, 1-stratose, papillae 2–4 per cell, conic, small.

to 1.8 mm.

to 1 mm.

gonioautoicous.

autoicous.

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 to 1/2 emergent, oblong to ovate-oblong, 0.8–1.4 mm, smooth when dry, wrinkled to slightly 8-plicate when old, constricted below mouth when dry;

stomata immersed;

peristome single;

prostome absent;

exostome teeth 16, erect or recurved with age, finely papillose, rarely striate at apices;

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

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

oblong, smooth, naked.

13–21 µm.

13–20 µm.

asexual reproduction absent.

asexual reproduction by gemmae on abaxial surface of leaves.