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 triangular to lingulate-triangular, equal to or more than 0.8 mm, spreading to appressed;

apex acute to apiculate, hyaline cells mostly efibrillose and nonseptate.

uncrowded, 5-ranked.

± straight and somewhat tapered, usually 5-ranked, leaves not greatly elongated at branch distal end.

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.

narrowly ovate-lanceolate, greater than 1.2 mm, straight, slightly undulate and weakly recurved when dry, margins entire;

hyaline cells on convex surface with 1 pore per cell in apical end, on concave surface with round wall thinnings in the cell ends and angles; chlorophyllous cells in transverse section triangular to ovate-triangular and well-enclosed on the concave surface.

unknown.

dioicous.

unknown.

24–33 µm; finely papillose on the superficial surface.

fascicles with 2 spreading and 1 pendent branch.

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

branch stems green and often reddish at proximal end, with cortex enlarged with conspicuous retort cells.