Flora of North America species comparison

leaves circinate-secund, ovate-lanceolate, gradually tapering to insertion, gradually narrowed to apex, 1.5–2.8 × 0.4–0.6 mm;

base not decurrent;

margins plane, sinuate proximally, serrate toward apex;

apex narrowly acuminate;

costa double, short, indistinct, less than 1/3 leaf length;

alar region slightly differentiated, of 3 or 4 cells at extreme basal angles;

basal laminal cells shorter, broader than medial cells, not strongly pigmented, walls pitted;

medial cells 50–80(–90) × 3–4 µm. Sexual condition dioicous;

inner perichaetial leaves lanceolate, weakly or not plicate, margins slightly toothed or entire near apex.

0.5–1.5(–3) cm, green to yellowish, erect to creeping, strongly complanate-foliate, irregularly branched to unbranched, branches 0.1–0.3 cm;

hyalodermis present, central strand present;

pseudoparaphyllia foliose.

sometimes falcate, not strongly secund, ovate, curving to insertion, tapering to apex, 0.5–1.8 × 0.3–0.5 mm;

base decurrent;

margins plane, entire;

apex broadly acute;

costa double and short or ecostate;

alar region not conspicuously differentiated;

basal laminal cells shorter, wider than medial cells, yellowish, walls porose;

medial cells 80–100 × 4–5 µm. Sexual condition dioicous;

inner perichaetial leaves oblong-lanceolate, plicate, margins slightly toothed or entire at apex, costa obscure.

red-brown, 2.5–3 cm.

reddish, 2–4 cm.

erect to suberect, light brown, cylindric, 3–5 mm;

annulus 1–3-seriate;

operculum conic or rostellate;

endostome cilia unknown.

inclined to arcuate, pale brown, short-cylindric, 1–2 mm;

annulus 2- or 3-seriate;

operculum conic;

endostome cilia 2–4.