Flora of North America species comparison

leaves to 2 × 0.7 mm; rarely hemiisophyllous;

hyaline cells non-ornamented, mostly nonseptate.

red-tinged, cortex eporose.;

stem leaves triangular-lingulate to lingulate with a more or less obtuse apex, 0.8–1.05 × 0.5–0.55 mm;

border strongly developed at the base;

hyaline cells rhomboid and 0–1-septate, efibrillose and eporose.

long and tapering to short and pointed, leaves loosely imbricate.

with leaves 5-ranked and loosely spreading.

broadly ovate, to 2 × 1 mm or more wide, broadly ovate, hyaline cells non-ornamented, convex surface with round to elliptic pores along the commissures; chlorophyllous cells short-elliptic in transverse section and well-enclosed on both surfaces.

small, 1–1.2 × 0.3–0.35 mm;

convex surface with moderate-sized pores, grading from 4–6 µm near apex to more than 20 µm at base, concave surface eporose except for occasional large round pores in proximal side regions.

dioicous.

unknown.

with numerous pseudostomata.

22–30 µm; roughly papillose to nearly smooth, with distinct Y-mark sculpture on distal surface;

proximal laesura 0.5–0.8 spore radius.

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

branch stems with hyaline cells non-ornamented;

no or weak funnel-like projections on the interior end walls, large round pores on superficial cell walls.