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 stiff, loosely erect-appressed to erect-curved when dry, broadly lanceolate, ovate-lanceolate, or ovate-ligulate, 2–4 mm;

margins strongly revolute from near base to just before apex, papillose-crenulate;

apex bluntly acute to obtuse;

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

distal cells 10–15 µm, 1-stratose, papillae 1–3 per cell, 2-fid, large.

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.

emergent, often shortly so, oblong to short-cylindric, 1.5–2 mm, nearly smooth to slightly 8-ribbed, sometimes deeply 8-ribbed and constricted with flaring mouth when old and dry;

stomata superficial;

peristome rudimentary, appearing absent;

prostome absent;

exostome teeth 16, erect, sometimes reflexed when old and dry, papillose;

endostome segments occasionally rudimentary, usually absent.

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

ovoid-campanulate, smooth, hairy, hairs papillose.

13–21 µm.

8–11 µm.

asexual reproduction absent.

asexual reproduction absent.