Flora of North America species comparison

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).

leaves isophyllous, ovate to ovate-lanceolate, 2.2–2.8 mm;

apex rounded;

hyaline cells nonseptate, convex surface with 6–12 pores per cell along commissures, concave surface aporose.

somewhat curved, leaves spreading.

straight and short.

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.

ovate, 1.3–1.7 mm;

hyaline cells on convex surface with 8–18 elliptic pores more than 8 µm, concave surface aporose.

dioicous.

unknown.

exserted, with scattered pseudo-stomata.

not seen.

22–28 µm;

papillose on both surfaces;

proximal laesurae more than 0.5 spore radius.

not seen.

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

fascicles nearly all with 2 spreading branch only.