Flora of North America species comparison

leaves irregularly twisted or curved, loosely spiraled around stem and ± undulate when dry, spreading to wide-spreading, sometimes subsquarrose, recurved when moist, oblong-lanceolate to broadly lanceolate, 0.7–2 mm;

margins entire to ± sharply serrulate near apex;

apex sharply acute, apiculus usually present;

costa ending near apex, abaxial surface smooth or covered by cells only at apex;

basal laminal cells short-rectangular;

distal cells 5–11 µm, papillae 3–6 per cell, walls somewhat thick.

leaves loosely incurved-twisted when dry, erect-spreading to spreading when moist, oblong, 1.2–1.8 mm;

margins entire;

apex acute, apiculus broad, short;

costa ending near apex, abaxial surface covered by quadrate papillose cells at apex;

basal laminal cells short-rectangular;

distal cells 7–13 µm, smooth, walls somewhat thick.

synoicous or autoicous.

dioicous.

17–22 µm.

asexual reproduction by clavate to elliptic gemmae, longitudinal walls usually absent.

asexual reproduction by fusiform to elliptic gemmae, longitudinal walls absent.

unknown.