Flora of North America species comparison

pale green to straw-colored;

superficial cortical with a large round pore in distal portion of cell free from cell wall.

dark reddish brown;

superficial cortical cells aporose.

not 5-ranked, quite terete, long, and slender Branch fascicles with 1– 2 spreading and 1–2 pendent branches.

not 5-ranked, terete, long and tapering.

spatulate to broad-spatulate, 0.8–1.5(–2) mm, strongly lacerate across the broad apex and often part way down the margins, border scarcely to strongly broadened at base (0.25 width of base or less);

hyaline cells rhomboid, efibrillose and often 1–2-septate.

narrowly triangular-lingulate, 1.5–2 mm, apex right-angled to apiculate, border moderately strong and greatly broadened at the base (more than 0.25 width);

hyaline cells rhombic, 0–1-septate, normally fibrillose near apex.

ovate to ovate-lanceolate; 1.1–1.5(–2) mm, slightly concave, straight;

apex involute;

margins entire;

hyaline cells on convex surface with numerous pores along the commissures grading from small pores near leaf apex to large pores at base, concave surface with large round pores at leaf apex and along margins.

ovate-lanceolate, 1.5–2.3 mm, straight, concave, apex strongly involute;

margins entire;

hyaline cells on convex surface with elliptic pores along the commissures, grading from moderate-sized pores near leaf apex to large pores at leaf base, concave surface with large round pores in proximal marginal regions of leaf.

with 2 spreading and 1–2 pendent branches.

often monoicous.

dioicous.

20–27 µm, finely papillose on both surfaces;

proximal laesura less than 0.5 spore radius.

27–32 µm, finely papillose on both surfaces;

proximal laesura less than 0.5 spore radius.