Flora of North America species comparison

leaves triangular, 1–1.7 mm, apex acute to slightly obtuse;

leaves usually appressed;

margins entire;

hyaline cells fibrillose and usually septate at base and sides.

leaves broadly triangular-lingulate, 1.15–1.25 × 0.8 mm, apex slightly to broadly obtuse, border moderately broadened at base;

hyaline cells mostly 1-septate with a few to many 2-septate in the mid region, shape rhomboid.

unranked, long and tapering, leaves greatly elongated at distal end.

more or less 5-ranked.

ovate-lanceolate to lanceolate, 3–5.5 mm; straight but sometimes slightly falcate-secund; weakly undulate and recurved when dry;

margins entire;

hyaline cells on convex surface with 0–1 pore per cell, on concave surface with round wall thinnings on the apices and angles; chlorophyllous cells narrowly triangular in transverse section and just enclosed on the concave surface.

1.2–1.3 × 0.65–0.75 mm, broadly ovate, apex involute;

hyaline cells on convex surface with numerous round to elliptic pores along the commissures, these grading from small pores at the apex to large pores at the base;

concave surface aporose except for a few large pores in the lower side regions.

dioicous.

dioicous.

26–29 µm;

both surfaces distinctly papillose, appearing pusticulate to irregularly pusticulate;

proximal laesura mostly less than 0.5 spore radius.

26–30 µm.

fascicles with 2 spreading and 2 pendent branches.;

branch stems green;

cortex enlarged with conspicuous retort cells.

fascicles with 2 spreading and 1 hanging branch.