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-appressed when dry, oblong to oblong-lanceolate, 2–3 mm;

margins recurved to broadly revolute, incurved to form channel at apex, serrate at apex;

apex cuspidate;

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

distal cells 8–13 µm, 1-stratose, papillae 2 per cell, conic, small.

to 1.8 mm.

to 1 mm.

gonioautoicous.

gonioautoicous or cladautoicous.

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 or rarely immersed, oblong to oblong-cylindric when old, 1.3–2 mm, 8-ribbed entire length when dry, constricted below mouth when dry;

stomata immersed;

peristome double;

prostome absent;

exostome teeth 8, reflexed, densely and evenly papillose;

endostome segments 8, not well developed, of 1 or 2 rows of cells, papillose, sometimes coarsely so.

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

oblong-conic, smooth, hairy, hairs papillose.

13–21 µm.

14–24 µm.

asexual reproduction absent.

asexual reproduction absent.