Flora of North America species comparison

pale green to yellowish;

superficial cortex of 2 layers of enlarged, thin-walled and well differentiated cells.;

stem leaves triangular, triangular-lingulate to lingulate, more than 0.8 mm, appressed, apex obtuse to broadly obtuse, erose to fimbriate;

hyaline cells efibrillose and nonseptate.

red-tinged, cortex eporose.;

stem leaves triangular-lingulate to lingulate with a more or less obtuse apex, 0.8–1.05 × 0.5–0.55 mm;

border strongly developed at the base;

hyaline cells rhomboid and 0–1-septate, efibrillose and eporose.

straight and often tapering, often 5-ranked, leaves not much elongate at distal end of branches.

with leaves 5-ranked and loosely spreading.

ovate-lanceolate, 1.4–2 mm, straight; slightly undulate and sharply recurved;

margins entire;

hyaline cells on convex surface with 1 pore per cell at cell apex, concave surface with round wall thinnings in the cell ends and angles; chlorophyllous cells triangular in transverse section and well-enclosed on concave surface.

small, 1–1.2 × 0.3–0.35 mm;

convex surface with moderate-sized pores, grading from 4–6 µm near apex to more than 20 µm at base, concave surface eporose except for occasional large round pores in proximal side regions.

dioicous.

unknown.

22–28 µm;

papillose on both surfaces;

proximal laesura more than 0.5 spore radius.

fascicles with 2 spreading and 2 pendent branches.;

branch stems green, cortex enlarged with conspicuous retort cells.