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 triangular-lingulate, 0.8–1.4 mm, spreading to appressed;

apex acute to narrowly obtuse, hyaline cells nonseptate and fibrillose near apex.

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

unranked or weakly 5-ranked, straight to strongly curved, leaves moderately elongated at distal end.

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-lanceolate to narrowly ovate-lanceolate, 1.8–3.4 mm; straight to strongly subsecund; weakly undulate and recurved when dry;

margins entire;

hyaline cells on convex surface with 1–2 free pores per fibril interval, concave surface aporose or rarely with a few wall thinnings in cell ends and angles; chlorophyllous cells trapezoidal in transverse section and narrowly exposed on concave surface.

dioicous.

dioicous.

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

proximal laesura approximately 0.5 spore radius.

33–40 µm.

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.;

branch stems green but sometimes reddish at proximal end, with cortex enlarged with conspicuous retort cells.