Flora of North America species comparison

leaves erect-spreading to loosely erect, ± contorted when dry, lanceolate to linear-lanceolate, 2.5–6.5 mm;

margins plane, entire;

apex narrowly acute to acuminate;

basal laminal cells narrowly elongate, walls thick, ± nodose;

distal cells 7–14 µm, 1-stratose, papillae 1–3 per cell, conic, large.

leaves stiff, erect-appressed when dry, ovate-lanceolate to lanceolate, 2–3 mm;

margins revolute, entire;

apex broadly acute to narrowly obtuse, often bluntly acuminate;

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

distal cells 9–16 µm, 1-stratose, papillae 1–4 per cell, 2-fid, small.

0.8–2.7 mm.

2–3 mm.

dioicous.

gonioautoicous.

immersed, emergent, or rarely exserted, oblong-cylindric, 1.7–3 mm, strongly 8-ribbed to mid capsule or entire length;

stomata superficial;

peristome double;

prostome absent;

exostome teeth 16, reflexed-recurved, acuminate, 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, yellowish brown, coarsely papillose.

emergent or exserted, oblong to cylindric, 1.2–2.5 mm, slightly 8-ribbed distally;

exothecial cells differentiated to mid capsule;

stomata superficial;

peristome double or single;

prostome occasionally present, small;

exostome teeth 16, sometimes connate in 8 pairs, reflexed-recurved, densely papillose, not fenestrate, not cancellate;

endostome segments often absent, occasionally rudimentary, or 8, well developed, usually present in at least some capsules, narrow, of 1 row of cells, smooth or finely papillose.

conic-oblong, smooth, very hairy, hairs papillose.

oblong to oblong-conic, smooth, sparsely hairy, hairs smooth.

18–35 µm.

16–27 µm.

asexual reproduction by gemmae on leaves.

asexual reproduction absent.