Flora of North America species comparison

leaves 0.8–1.1 mm, triangular-lingulate to lingulate, concave, spreading, apex broadly obtuse, hyaline cells fibrillose in apical region.

leaves lingulate to spatulate, widest above middle (1.5 times as wide as the base), 1.5–2.5 mm, apex obtuse and dentate to lacerate;

border entire and little broadened at base, hyaline cells elongated-rhomboid, normally 1-septate, strongly fibrillose in distal portion, convex surface with numerous large pores and resorption gaps in apical angles, concave surface with large resorption gaps below and large resorption pores above.

slender and tapering, often 5-ranked and decurved, leaves somewhat elongated at distal end.

unranked, terete.

ovate-lanceolate, 1–1.7 mm, straight, slightly undulate and spreading;

margin entire, hyaline cells on convex surface with 1–5 pores in cell ends and free near apex, on concave surface with round wall thinnings in cell ends and angles; chlorophyllous cells triangular in transverse section and well-enclosed on concave surface.

ovate, 1.3–2.5 mm, straight, not concave;

apex weakly involute, broadly truncate with 6–10 conspicuous teeth;

border entire;

hyaline cells on convex surface with elliptic pores (4–8 per cell) along the commissures, concave surface with large round pores in distal half and proximal portion of cells.

dioicous.

dioicous.

25–33 µm; smooth to finely papillose on both surfaces;

proximal laesura approximately 0.5 spore radius.

26–34 µm; finely granulose-roughened.

fascicles with 2 spreading and mostly 1 pendent branch.;

branch stem green, cortex enlarged with conspicuous retort cells.

fascicles with 2 spreading and 1–2 pendent branches.