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.

leaves falcate to circinate-secund, oblong-ovate to oblong-lanceolate, narrowed to apex, 1.5–2 × 0.4–0.6 mm;

base not decurrent, not auriculate;

margins plane, sinuate to weakly serrate;

acumen slender;

costa single, or double and unequal, short to long;

alar cells quadrate to short-rectangular, dark brown, region well defined, weakly to markedly excavate, 3–7 cells high along margin, to 3–6 cells wide;

basal laminal cells shorter than medial cells, yellow to orange, walls more strongly pitted;

medial cells 30–60 × 4–6 µm, walls somewhat to markedly pitted.

red-brown, 2.5–3 cm.

reddish, 1.3–2 cm.

dioicous;

inner perichaetial leaves ovate to oblong-lanceolate, margins laciniate at shoulders, entire at apex, acumen slender.

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

annulus 1–3-seriate;

operculum conic or rostellate;

endostome cilia unknown.

inclined to horizontal, yellowish, oblong-cylindric, 1.3–1.5 mm;

annulus 3-seriate;

operculum conic;

endostome cilia 2 or 3.