Flora of North America species comparison

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

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

leaves very small, less than 0.8 mm, triangular with blunt rounded apex.

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

erect in distal portion of plants.

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.

large, 2.8 mm or longer, sub-squarrose, ovate, involute to broad, truncate apex with more than 6 teeth;

hyaline cells with up to 6 non-ringed pores on convex surface with few or no pseudopores, 2–4 elliptic ringed pores on concave surface in corners or along commissures, internal commissural walls minutely papillose (best viewed in oblique sections), rarely smooth; chlorophyllous cells narrowly triangular in transverse section, more broadly exposed on convex surface, enclosed on concave surface.

dioicous.

monoicous.

with abundant pseudostomata on surface of capsule.

33–40 µm.

31–43 µm; coarsely papillose on both proximal and distal surfaces, raised Y-mark sculpture on distal surface;

proximal laesura moderately long, 0.4–0.7 spore radius.

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.

fascicles with 2 short-spreading and 3 long-tapering pendent branches.