Flora of North America species comparison

green to red;

superficial cortical cells aporose Stem leaves lingulate-triangular, 1.2–1.6(–1.8) mm, apex ± involute;

border entire and broadened to about 0.25 the width of the base;

hyaline cells S-shaped, 0–1-septate, usually fibrillose in distal portion of leaf.

brown, superficial cortical cells aporose.;

stem leaves lingulate, 1.1–1.2 mm, apex slightly apiculate to mostly broad and erose to lacerate, border only slightly broadened at base;

hyaline cells rhomboid and 0–1-septate.

not 5-ranked, terete.

more or less 5-ranked.

ovate-lanceolate, 1–1.4 mm, imbricate to moderately spreading, concave, straight, strongly involute near apex;

hyaline cells on convex surface with elliptic pores along commissures, concave surface with large round pores away from commissures in proximal portions of leaf.

0.95–1.3 mm, ovate to ovate-lanceolate, concave, straight to slightly subsecund, apex involute;

hyaline cells on convex surface with numerous surface with numerous round to elliptic pores along the commissures, grading from large pores at the base to a mixture of small and tiny (2 µm) at the apex, concave surface with a few large, round pores/cell in lower side regions.

dioicous.

unknown.

20–28 µm; finely papillose on both surfaces, with distinct raised Y-shaped sculpture on distal surface;

proximal laesura 0.5 spore radius or more.

fascicles with 2 spreading and 1–2 pendent branches.

fascicles with 2 spreading and 1 pendent branch.