Flora of North America species comparison

leaves 1.2 mm or more, broadly triangular to triangular-lingulate, 1.2 or more, apex acute, border broad at base (more than 0.25 width);

hyaline cells mostly efibrillose, 1–2-septate.

leaves lingulate to spatulate, widest above middle (1.5 times as wide as the base), 1.5–2.5 mm, apex obtuse and dentate to lacerate;

border entire and little broadened at base, hyaline cells elongated-rhomboid, normally 1-septate, strongly fibrillose in distal portion, convex surface with numerous large pores and resorption gaps in apical angles, concave surface with large resorption gaps below and large resorption pores above.

uncrowded, 5-ranked.

unranked, terete.

ovate-lanceolate, 0.7 mm or more, straight, concave, loosely involute from apex to middle or near base;

concave surface with few (2–4) small, rounded, or elliptic pores, especially in cell angles, concave surface aporose or with 1–2 pores at cell ends.

ovate, 1.3–2.5 mm, straight, not concave;

apex weakly involute, broadly truncate with 6–10 conspicuous teeth;

border entire;

hyaline cells on convex surface with elliptic pores (4–8 per cell) along the commissures, concave surface with large round pores in distal half and proximal portion of cells.

unknown.

dioicous.

unknown.

26–34 µm; finely granulose-roughened.

fascicles with 2 spreading and 1 pendent branch.

fascicles with 2 spreading and 1–2 pendent branches.