Flora of North America species comparison

leaves shorter than branch leaves, 0.8–1.6 mm, lingulate, hyaline cells non-septate above and commonly 1-septate below.

leaves to 1.3–1.9 × 0.6–1.2 mm; rarely hemiisophyllous;

hyaline cells non-ornamented, nonseptate or sometimes septate.

short and blunt, branch leaves imbricate.

± tapering, leaves loosely imbricate to spreading and often squarrose in shade forms.

0.9–2 mm, ovate, with conspicuously truncate apex, hyaline cells bulging on both surfaces, with 1–4 large circular to elliptic pores per cell on convex surface and 4–7 elliptic pores per cell on concave surface, internal commissural walls faintly papillose, cholrophyll cells elliptical to elliptical-ovate withn the broadest part typically some distance from convex surface.

ovate to ovate elliptical, 1.5–2 × 0.9–1.6 mm;

hyaline cells on convex surface with elliptic to more often round pores along the commissures, comb-lamellae can be present, but often absent or restricted to leaf bases; chlorophyllous cells broadly triangular in transverse section and well-enclosed on the convex surface;

end wall not thickened.

unknown.

dioicous.

with scattered pseudostomata.

27–31 µm; granulate on both surfaces;

laesura on proximal surface less than 0.5 the spore radius.

fascicles typically with 2 spreading and 2 hanging branches.;

branch stems with single layer of cortical cells.

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

branch stems with cortical cell comb-lamellae weakly differentiated on interior wall, no or weak funnel-like projections on the interior end walls, pores in superficial wall mostly restricted to leaf attachments.