Flora of North America species comparison

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.

leaves stiff, erect-appressed, rarely incurved when dry, lanceolate, 2–3.5 mm;

margins plane, entire;

apex narrowly obtuse to acute;

basal laminal cells elongate, walls thick, ± nodose;

distal cells 7–11 µm, 2-stratose, papillae 2–4 per cell, conic, sometimes large.

0.5 mm.

1 mm.

dioicous.

gonioautoicous.

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.

emergent, ovate-oblong when mature, ovate-cylindric when old, 1.4–2 mm, slightly 8-ribbed in distal 1/3 of capsule;

stomata superficial;

peristome double;

prostome present, rudimentary;

exostome teeth 8, erect, sometimes reflexed when old and dry, papillose to coarsely papillose-striate;

endostome segments 8, occasionally rudimentary, of 2 rows of cells, papillose.

short-conic, papillose, naked, not plicate.

oblong-conic, smooth, hairy, hairs papillose.

20–25 µm.

17–23 µm.

asexual reproduction by gemmae on both surfaces of leaf.

asexual reproduction absent.