Flora of North America species comparison

leaves stiff, erect-appressed, slightly secund when dry, oblong-lanceolate, lanceolate, or ovate-lanceolate, 2–4.3 mm;

margins revolute from base to near apex, entire;

apex obtuse, bluntly or narrowly acute, or gradually acuminate;

basal laminal cells rectangular to elongate, grading to elliptic-quadrate, walls thick, nodose;

distal cells 8–12 µm, 1-stratose, papillae 1–3 per cell, conic or 2-fid, low.

leaves erect-appressed when dry, oblong-lanceolate to oblong, 0.7–1.3 mm;

margins reflexed to broadly recurved, entire;

apex rounded-obtuse;

basal laminal cells elongate, walls thick, ± nodose;

distal cells 7–13 µm, 1-stratose, papillae 1 or 2 per cell, conic or C-shaped, small.

1.5–4 mm.

to 5 mm.

gonioautoicous.

gonioautoicous.

fully exserted, cylindric, 1.4–2.6 mm, smooth or sometimes slightly plicate distally;

exothecial cells homogeneous;

stomata superficial;

peristome double;

prostome absent or rudimentary;

exostome teeth 16, erect, papillose;

endostome segments 8, occasionally rudimentary, usually absent in open capsules, of 1 row of cells, smooth.

immersed or slightly emergent, ovate-oblong, widest at mouth, less than 1 mm, distinctly 8-ribbed to base when dry;

stomata superficial;

peristome double;

prostome absent;

exostome teeth 16, spreading or reflexed when dry, papillose to cross striolate proximally, papillose to vertically or reticulately striolate distally;

endostome segments 8, well developed, usually present when capsule is old and dry, thick, delicate, of 2 rows of cells, as wide as exostome teeth, hyaline, granulate-papillose.

conic-oblong, smooth, sparsely hairy, hairs finely papillose.

short-conic, finely papillose, naked or hairs few near tip, hairs finely papillose.

10–15 µm.

17–20 µm.

asexual reproduction absent.

asexual reproduction by gemmae on leaves.