Flora of North America species comparison

leaves short-rectangular, 0.8–1.1 mm, hyaline cells mostly non-septate and absent comb-fibrils.

leaves triangular-lingulate to lingulate; 0.8–1.2 mm;

apex rounded and sometimes erose;

hyaline cells non-septate or sometimes septate, usually fibrillose in distal 1/2 of leaf, convex surface with very small pores (ca. 2 µm) along commisures and free, concave surface with fewer commissural pores.

turgid and often strongly curved.

ovate to ovate-elliptic, 1.4–1.8 mm;

hyaline cells on convex surface with numerous pores along the commissures;

comb-lamellae obvious only in proximal 1/2 of leaf; chlorophyllous cells broadly triangular in transverse section and well-enclosed on the convex surface.

ovate-lanceolate; 1.4 or more mm; mostly subsecund;

hyaline cells on convex surface with numerous small (2 µm or more) pores along the commissures and sometimes free, concave surface with no pores or fewer small pores along the commissures.

dioecious.

not known.

not seen.

(22) 24–27(–28) µm, surface granulate.

not seen.

fascicles with 2 spreading and 1–2 hanging branches.;

branch stems with hyaline cells non-ornamented, no or weak funnel-like projections on the end walls of cortical cells, cortical cell walls usually with large round pores.

fascicles with 2 spreading and 2 pendent branches.