Flora of North America species comparison

1–3(–5) cm.

0.5–3 cm.

stiffly erect when dry, spreading when moist, linear, 4–5 mm;

base sheathing, shoulders well developed, firm;

margins plane, serrulate to serrate distally, teeth paired distally;

apex acuminate, subulate;

costa excurrent, obscure in distal limb;

basal laminal cell walls thin;

medial and distal cells 25–45 × 5–7 µm, prorulae relatively low.

erect to erect-spreading and somewhat flexuose when dry, spreading when moist, narrowly lanceolate, 2–5 mm;

base sheathing, shoulders well developed, firm, not eroded;

margins strongly revolute, serrulate distally, teeth paired;

apex subulate, usually intact;

costa excurrent, prominent in distal limb, distal abaxial surface rough;

basal laminal cell walls thick toward costa, thin toward margins;

distal cells 8–25 × 4–8 µm, prorulae high.

0.8–3 cm, straight.

0.6–1.6 cm, straight to slightly arcuate.

synoicous;

perichaetial leaves somewhat longer than stem leaves, 6 mm, more strongly clasping.

synoicous or dioicous.

inclined, subglobose to ovoid, asymmetric, 1 mm;

operculum short-conic;

peristome double;

exostome teeth 300–400 µm, strongly transversely barred, finely papillose proximally, smooth distally;

endostome basal membrane present, segments 1/2–2/3 length of teeth and somewhat adherent to them, smooth, cilia absent or rudimentary.

inclined, globose to ovoid, asymmetric, 1.5–2.5 mm;

operculum short-convex;

peristome single or double;

exostome teeth 200–350 µm, finely papillose proximally, vertically striate distally;

endostome absent or, if present, basal membrane rudimentary, segments sometimes present, less than 1/3 length of teeth, finely papillose, cilia absent.

25–40 µm.

25–35(–40) µm.