Flora of North America species comparison

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

2.5 cm, 1–3 mm wide, 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.

squarrose, not upturned-homomallous, distant, ovate- or oblong-lanceolate, asymmetric, cultriform, often strongly undulate, 0.3–1.8 × 0.2–0.6 mm;

margins plane or narrowly recurved basally, serrulate to entire proximally, serrate to serrulate distally;

apex acute to acuminate;

costa double, strong;

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

medial laminal cells 48–100 × 4–7 µm;

distal cells sometimes prorulose at distal ends on abaxial surface.

1–2.5 cm.

dioicous.

autoicous.

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

operculum conic to short-rostrate.

7–12 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 often present as propagula clustered in leaf axils at or near stem apices, 0.1–0.5 mm, yellowish green, twisted-vermiform, with 1–5 acute, erect teeth at apex.

unknown.