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,small, equal to or less than 0.8 mm, appressed to stem;

apex with strong lacerate split in the middle;

hyaline cells efibrillose, aporose, and nonseptate.

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

strongly 5-ranked, short and blunt, not much 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; usually less than 1.5 mm;

stiff and slightly reflexed, straight to slightly subsecund;

margins entire;

hyaline cells moderately long and narrow (6–8:1), convex surface with one small round pore per cell at apex and numerous pseudopores on the margin, concave surface with large round wall thinnings in the cell angles and ends; chlorophyllous cells triangular in transverse section, with apex reaching concave surface.

dioicous.

unknown.

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

proximal laesura approximately 0.5 spore radius.

not seen.

fascicles with 2 spreading and mostly 1 pendent branch.;

branch stem green, cortex enlarged with conspicuous retort cells.

fascicles with 2 spreading and 2–3 pendent branches.;

branch stems green, with cortex enlarged with retort cells.