Flora of North America species comparison

green or yellow-green, crisped and contorted when dry, flat when moist, elliptic, broadly elliptic, or sometimes obovate or oblong, (3.5–)4–7(–10) mm;

base long-decurrent;

margins toothed to near base, teeth sharp or occasionally blunt, of 1–2(–3) cells;

apex obtuse, rounded, acute, acuminate, or rarely retuse, mucronate or cuspidate, cusp sometimes toothed;

costa percurrent or excurrent;

medial laminal cells usually elongate, short-elongate, or occasionally ± isodiametric, (35–)50–65(–85) µm, less than 1/2 size near margins, in longitudinal or diagonal rows, collenchymatous, walls pitted;

marginal cells linear, in 2–4 rows.

green or yellow-green, crisped and contorted when dry, flat when moist, ovate, elliptic, oblong-elliptic, or rarely obovate, (3–)4–6(–10) mm;

base narrowly long-decurrent;

margins toothed to near base, smaller leaves sometimes nearly entire, teeth blunt or less commonly sharp, of (1–)2–3(–4) cells;

apex rounded, occasionally truncate or obtuse, rarely retuse, cuspidate or apiculate, cusp occasionally toothed;

costa percurrent, excurrent, or rarely subpercurrent;

medial laminal cells elongate, rarely ± isodiametric (especially near margins), 45–85 µm, less than 1/2 size near margins, in ± longitudinal, occasionally diagonal rows, collenchymatous, sometimes weakly, walls pitted, pits sometimes indistinct or absent;

marginal cells linear, sometimes short-linear or rhomboidal, in (2–)3–4 rows.

(1–)3(–7), yellow to reddish or orange with age, 2–5 cm.

1–3, yellowish or brownish green, 2–4 cm.

synoicous.

dioicous.

pendent, oblong, cylindric, or narrow-ovoid, 3–4.5 mm, neck not distinct;

operculum conic-apiculate.

pendent, cylindric, 3–4.5 mm, neck not distinct;

operculum conic-apiculate.

20–36 µm.

18–24 µm.

stems 2–4 cm, not dendroid;

sterile stems to 8 cm.

stems 2–5(–9) cm, not dendroid;

sterile stems to 10 cm.