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 shorter than branch leaves, 0.8–1.6 mm, lingulate, hyaline cells non-septate above and commonly 1-septate below.

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

short and blunt, branch leaves imbricate.

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.

0.9–2 mm, ovate, with conspicuously truncate apex, hyaline cells bulging on both surfaces, with 1–4 large circular to elliptic pores per cell on convex surface and 4–7 elliptic pores per cell on concave surface, internal commissural walls faintly papillose, cholrophyll cells elliptical to elliptical-ovate withn the broadest part typically some distance from convex surface.

dioicous.

unknown.

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

proximal laesura approximately 0.5 spore radius.

fascicles with 2 spreading and mostly 1 pendent branch.;

branch stem green, cortex enlarged with conspicuous retort cells.

fascicles typically with 2 spreading and 2 hanging branches.;

branch stems with single layer of cortical cells.