Flora of North America species comparison

1–5 cm.

1–5 cm, erect to ascending, simple or fastigiate;

octagonal in cross section, hyalodermis absent, epidermis prorulose;

radiculose proximally, rhizoids papillose.

imbricate or distal leaves divaricate when dry, spreading to recurved when moist, narrowly ovate-lanceolate to lanceolate, distal lamina 2-stratose toward costa, 3- or 4-stratose at margins, 2–6.5 mm;

margins coarsely doubly serrate distally;

costa excurrent to long-excurrent, abaxial surface rough;

inner basal laminal cells elongated oblong;

distal cells short-rectangular to linear, to 45 × 3–7 µm, prorulose at both ends.

not in distinct rows or rarely in 5 rows, imbricate, appressed when dry, erect to spreading or recurved when moist, narrowly lanceolate or ovate-lanceolate, 1–3-stratose (sometimes 3- or 4-stratose at margins);

base not sheathing;

margins revolute in distal 1/2, sometimes almost to base, serrate, teeth single or paired;

apex acute, acuminate, or rarely obtuse;

costa percurrent to long-excurrent, abaxial surface rough or smooth;

basal laminal cells shorter, wider than distal cells;

distal cells usually oblong to linear or quadrate, strongly prorulose to nearly smooth, walls thick.

single, short to elongate, straight or somewhat curved.

dioicous;

perigonia gemmiform;

perichaetial leaves scarcely distinct.

2–3 mm;

operculum short-conic;

peristome absent.

erect to inclined, globose to ovoid, irregularly wrinkled when dry, mouth small;

annulus absent or scarcely developed;

operculum short-conic to conic-obtuse;

peristome absent, of low membrane, or exostome teeth yellow to reddish brown, short, fragile, apically free;

endostome rare, very faint.

23–28 µm].

globose to reniform, warty or coarsely papillose.

asexual reproduction unknown.