Flora of North America species comparison

leaves stiff, loosely erect-appressed when dry, narrowly lanceolate to oblong-lanceolate, 1.4–2.9 mm;

margins strongly revolute to just before apex, entire;

apex obtuse to bluntly acute, not incurved when dry;

basal laminal cells subquadrate to short-rectangular, walls thin, not nodose;

distal cells 8–10 µm, 1-stratose, lumina irregular due to uneven wall thickenings, papillae 1–2 per cell, conic, low.

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.

to 1 mm.

1 mm.

gonioautoicous.

gonioautoicous.

emergent, oblong to ovate, 1–1.5 mm, 8-ribbed almost to base, ribs thin, delicate, not constricted below mouth;

stomata immersed, mid capsule, 1/2 to completely covered by subsidiary cells, cells projecting vertically over stomata, inner walls thickened;

peristome double;

prostome absent;

exostome teeth 8, splitting to 16 with age, reflexed, finely and densely papillose;

endostome often absent, or segments 8, well developed, of 1 row 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.

oblong, smooth, naked or slightly hairy, hairs smooth.

oblong-conic, smooth, hairy, hairs papillose.

15–19 µm.

17–23 µm.

asexual reproduction absent.

asexual reproduction absent.

with hairs absent.