Flora of North America species comparison

2 cm, 0.5–2 mm wide, ascending to erect.

3 cm, 1.5–3 mm wide, creeping to ascending.

loosely imbricate to somewhat spreading, often squarrose, sometimes squarrose-recurved, usually straight at stem and branch apices, not plicate, 0.6–2 × 0.3–0.8 mm;

base distinctly decurrent;

margins serrulate to strongly serrate;

alar cells rounded to oval, abruptly inflated, 14–65 × 14–24 µm, hyaline, sometimes orange to red;

basal laminal cell walls pitted, sometimes pitted to mid leaf or beyond;

medial cells 24–50 × 4–7 µm. Sexual condition autoicous.

wide-spreading in several rows, not plicate, 1–2.5 × 0.5–0.9 mm;

base not decurrent or 1–3 cells indistinctly decurrent;

margins serrulate to serrate;

alar cells quadrate to short-rectangular, sometimes rounded to oval and inflated, 17–48 × 12–26 µm, green;

basal laminal cell walls pitted, indistinctly pitted distally, sometimes pits absent;

medial cells 30–70 × 5–7 µm. Sexual condition autoicous.

light brown to red, 0.9–2 cm.

light brown to red, 1.5–2.5 cm.

inclined to nearly erect, light brown, oblong to cylindric, slightly arcuate to straight, 1–2 × 0.3–0.5 mm, not or little contracted below mouth when dry;

operculum conic to conic-apiculate, 0.3–0.4 mm.

inclined, light brown to reddish, cylindric, strongly arcuate, 2–3.5 × 0.5–0.8 mm, contracted below mouth when dry;

operculum conic, 0.4–0.6 mm.

10–15 µm.

12–22 µm.