Flora of North America species comparison

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.

leaves to 1.2–2.2 × 0.8–1 mm; rarely hemiisophyllous;

hyaline cells non-ornamented, rarely septate, comb-lamellae absent.

more or less 5-ranked.

tapering, leaves spreading to somewhat imbricate.

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.

broadly ovate, to 1.7 × 1.5 mm;

hyaline cells non-ornamented, convex surface with elliptic to rarely round pores along the commissures; chlorophyllous cells lenticular to narrowly elliptical in transverse section, narrowly exposed on both ends, but more so on concave surface, end walls thickened at both ends.

unknown.

dioicous.

with inconspicuous pseudostomata.

23–30 µm;

surface finely roughened to smooth;

laesura on proximal surface more than 0.5 spore radius.

fascicles with 2 spreading and 1 pendent branch.

fascicles with 2 spreading and 1–2 pendent branches.;

branch stems with cortical cells non-ornamented, no or weak funnel-like projections on the interior end walls, often with large round pores on the superficial walls.