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 erect-appressed when dry, ovate to ovate-lanceolate, 1.4–2 mm;

margins erect-incurved, entire;

apex obtuse;

basal laminal cells ± rectangular, walls thick, not nodose;

distal cells 13–18(–20) µm, 1-stratose, papillae 1 per cell, conic, large.

0.8–2.7 mm.

0.5 mm.

dioicous.

dioicous.

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.

1/2 emergent, oblong-cylindric, 1.6–2 mm, strongly 8-ribbed to base;

stomata superficial;

peristome double;

prostome absent;

exostome teeth 8, reflexed, evenly papillose, sometimes irregularly striate distally;

endostome segments 8, well developed, of 2 rows of cells, smooth.

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

short-conic, papillose, naked, not plicate.

18–35 µm.

20–25 µm.

asexual reproduction by gemmae on leaves.

asexual reproduction by gemmae on both surfaces of leaf.