Flora of North America species comparison

to 5 cm, 1–4 mm wide across leafy stem, prostrate or rarely erect, complanate-foliate or sometimes julaceous.

somewhat spreading, rarely secund with apices pointing toward substratum, imbricate, oblong-ovate or ovate-lanceolate, asymmetric, flat to concave, 1.5–4 × 0.5–2 mm;

margins broadly recurved nearly to apex or sometimes plane, serrulate at extreme apex or rarely entire;

apex acute to acuminate or rarely narrowly obtuse, not abruptly contracted, seldom recurved;

costa with one branch sometimes reaching mid leaf or rarely ecostate;

alar cells spheric, oval, quadrate, or rectangular, 19–80 × 19–29 µm, in 3–8 vertical rows, terminating in several spheric or oval cells at base, region often auriculate and oval, sometimes cells quadrate and rectangular, terminating in 1 cell at base, region triangular;

medial laminal cells 70–180 × 12–21 µm.

light brown to red, 1.5–3.5 cm, curved.

autoicous or sometimes dioicous, usually fruiting.

cernuous or rarely erect or inclined, light brown to orange-brown when mature, arcuate, rarely straight when erect or inclined, 1.5–3.5 × 0.5–1 mm, striate or sometimes wrinkled, rarely smooth, strongly wrinkled at neck;

operculum short-rostrate, 0.7–1 mm;

endostome cilia 2 or 3.

9–13 µm.

asexual reproduction often present as propagula, 72–178 × 9–24 µm, of 3–7 cells borne in leaf axils.