Flora of North America species comparison

leaves broadly oblong-triangular, 1.2–1.5 mm; mostly appressed to stem;

apex obtuse;

hyaline cells narrow, usually nonseptate, efibrillose and aporose on convex surface near apex, on concave surface usually efibrillose with irregular pores along commissures in distal portion of leaf.

leaves broadly ovate, 1.5–2(2.5) mm; straight;

hyaline cells fibrillose and nearly aporose, with single small pores occasionally found in the distal cell ends on the concave surface.

with loosely imbricate leaves; often 5-ranked;

leaves little to somewhat elongated at distal end.

lacking or short and slender.

ovate, ovate-lanceolate to lanceolate; 2–3.5 mm;

flat and undulate at margins and recurved at apex when dry; straight;

margins entire;

hyaline cells on concave surface with very numerous, small ringed or unringed pores along the commissures, 5–12 in distal portion of leaf and 20–27 in proximal portion, convex surface with 5–15 pores per cell in distal portion of leaf and 14–21 in proximal portion, pores usually without a ring; chlorophyllous cells triangular to trapezoidal in transverse section and exposed slightly on concave surface.

when present similar to stem leaves but smaller, 0.8–1.2 mm, hyaline cells fibrillose and mostly aporose, 1–6 irregularly round-shaped membrane gaps in some cells near apex on convex surface.

dioicous.

dioicous.

usually immersed in perichaetiale leaves, but may be slightly emergent, pseudostomata absent from capsule surface.

ca. 30 µm;

very slightly roughened.

29–41 µm, coarsely papillose on both surfaces, indistinct raised sculpture on distal surface;

proximal laesura less than 0.5 spore radius.

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

branch stems green, with cortical cells in 1 layer with conspicuous necks.

fascicles none or 1 spreading branch.