Flora of North America species comparison

leaves triangular-lingulate to lingulate, 1.1–1.4 mm, apex broad-rounded to narrowly truncate, border very broad at base (more than 0.3 width);

hyaline cells efibrillose, rhombic, mostly 1-septate but can be non-septate.

leaves triangular-lingulate to lingulate, 0.7–1.4 mm;

apex rounded-obtuse and weakly denticulate;

hyaline cells nonseptate, mostly efibrillose, and, if porose, with more pores per cell on the concave surface (3–6) than on the convex surface (0–2).

long and tapering, usually strongly 5-ranked.

somewhat curved, leaves spreading.

ovate-lanceolate, 0.9–1.4 mm, concave, straight, apex involute;

hyaline cells on convex surface with very small ringed pores (less than 0.25 cell width) along commissures near apex, changing abruptly to large elliptical pores (0.4 cell width or more) basally, concave surface with large round pores in proximal margins and leaf base.

ovate to ovate-lanceolate, 1.2–2 mm;

subsecund;

hyaline cells with numerous tiny pores in a continuous line along the commissures on the convex surface, no or scattered pores on the concave surface.

dioicous.

dioicous.

exserted, with scattered pseudo-stomata.

17–26 µm, finely papillose on both surfaces;

proximal laesura less than 0.5 spore radius.

22–28 µm;

papillose on both surfaces;

proximal laesurae more than 0.5 spore radius.

fascicles with 2 spreading and 1–2 pendent branches.

fascicles with 2–3 spreading and 2–3(4) pendent branches.