Flora of North America species comparison

reddish brown or red.

green to yellow-green, crisped and somewhat coiled around stem, slightly undulate or contorted when dry, elliptic-lanceolate, elliptic, ovate, or ovate-lanceolate, 1.5–3(–4.5) mm;

base long-decurrent;

margins green, occasionally brownish or reddish brown, 2-stratose, toothed to below mid leaf, teeth variable, paired or sometimes single, small, sharp or blunt;

apex acute, rounded-acute, or obtuse, apiculate or cuspidate, cusp weakly toothed or smooth, occasionally ending in long terminal cell;

costa percurrent, sometimes excurrent or subpercurrent, distal abaxial surface lightly toothed or sometimes smooth;

medial laminal cell shape variable, ± isodiametric or slightly elongate, (10–)14–22(–25) µm, slightly smaller towards margins, in longitudinal, rarely diagonal rows, not or weakly collenchymatous, blue postmortal color absent;

marginal cells linear, in (1–)2–3(–4) rows.

single.

dioicous.

yellow-brown or brown, 2–5 mm;

operculum rostrate;

exostome greenish yellow.

20–40 µm.