Flora of North America species comparison

3.5 cm, 1–2.5 mm wide, complanate-foliate.

1.5 cm, 1–2 mm wide, occasionally complanate-foliate.

erect-spreading or sometimes secund with apices pointing toward substrate, not upturned-homomallous, close to somewhat distant, lanceolate, ovate- or oblong-lanceolate, symmetric, smooth or weakly undulate, 0.3–2 × 0.2–0.7 mm;

margins plane, serrulate to entire proximally, serrulate to strongly serrate distally;

apex acuminate;

costa double, strong;

alar cells undifferentiated or quadrate to rectangular, 1–3 on margins;

medial laminal cells 48–100 × 4–7 µm;

distal cells sometimes minutely prorulose at distal ends on abaxial surface.

erect-spreading, upturned-homomallous, distant to close and overlapping, lanceolate to ovate-lanceolate, symmetric, smooth, 0.8–1.2 × 0.3–0.5 mm;

margins plane, serrulate nearly to base;

apex long-acuminate; ecostate or costa double, weak;

alar cells poorly differentiated, few short-rectangular cells often present;

medial laminal cells 60–120 × 5–9 µm;

distal cells smooth.

1–2.5 cm.

0.8–1.6 cm.

dioicous.

autoicous.

cernuous to pendulous, oblong-ovoid to ovoid, 1–2 mm;

operculum conic to short-rostrate.

erect, horizontal, or slightly cernuous, ellipsoid, 1.4–1.7 mm;

operculum long-conic to short-rostrate.

7–12 µm.

9–16 µm.

asexual reproduction present as propagula clustered in leaf axils below stem apices, 0.5–1.5 mm, yellow to green, not twisted-vermiform, resembling parent plant but smaller, bearing reduced leaves from apex to base of stems.

asexual reproduction absent.