Flora of North America species comparison

and branch leaves similar.;

stem leaves not much longer than broad, 0.6–0.8 mm;

apex acute or sometimes narrowly blunt.

and branch leaves similar or differentiated.;

stem leaves erect or somewhat recurved when dry, erect-spreading when moist, oblong-ovate or ovate-lanceolate, plicate on one side, 2-plicate, or plane;

margins plane or ± recurved proximally, entire to subserrulate distally, limbidium absent;

apex acute, acuminate, or obtuse, hair-point absent;

costa single, subpercurrent or ending before apex, opaque, often flexuose-curved distally;

alar cells weakly differentiated, subquadrate;

medial and distal laminal cells irregularly quadrate-hexagonal, ± 1-papillose on abaxial or both surfaces, walls thick;

apical cells ± quadrate except at very tip.

somewhat crowded, ovate to ovate-lanceolate, ± 2-plicate basally, 0.4–0.5 mm;

margins irregularly revolute proximally or beyond, especially when dry;

apex acute or sometimes bluntly pointed;

costa ending near apex;

distal laminal cells 7–11 µm, obscurely bulging-papillose on both surfaces, more noticeably so abaxially.

yellow-brown, becoming orange-brown or reddish with age, 0.5–0.8 cm.

0.4–1.2 cm.

autoicous;

perichaetial leaves pale brown, erect, elongate, apex acuminate.

reddish, oblong-cylindric, straight to sometimes curved before dehiscence, 1.5–2.2 mm;

annulus 1- or 2-seriate;

operculum rounded-conic, ± pointed;

exostome teeth pale yellowish to brownish yellow;

endostome segments as long as exostome teeth.

erect, cylindric to oblong-cylindric, symmetric to distinctly curved;

annulus narrow or absent;

operculum conic;

peristome reduced;

exostome teeth linear-lanceolate, usually cross striolate near base, sometimes densely papillose throughout;

endostome basal membrane low, segments long-linear, cilia absent or rudimentary.

12–14 µm, very finely papillose.

9–18 µm, smooth to very finely papillose.

asexual reproduction absent.