Flora of North America species comparison

leaves triangular-lingulate, 0.8–1.4 mm, spreading to appressed;

apex acute to narrowly obtuse, hyaline cells nonseptate and fibrillose near apex.

leaves broadly ovate, 1.2–2.2 mm; straight;

apex rounded;

hyaline cells non-septate, convex surface with numerous small pores (less than or equal to 1/6 cell diameter) forming a continuous row along the commissures, concave surface aporose or with a few scattered pores along the commissures and cell ends.

unranked or weakly 5-ranked, straight to strongly curved, leaves moderately elongated at distal end.

short and blunt, sometimes lacking completely and plants simplex.

ovate-lanceolate to narrowly ovate-lanceolate, 1.8–3.4 mm; straight to strongly subsecund; weakly undulate and recurved when dry;

margins entire;

hyaline cells on convex surface with 1–2 free pores per fibril interval, concave surface aporose or rarely with a few wall thinnings in cell ends and angles; chlorophyllous cells trapezoidal in transverse section and narrowly exposed on concave surface.

broadly ovate, 1.4–2.5(–3) mm; straight;

apex rounded;

hyaline cells as in stem leaf.

dioicous.

dioicous.

exserted, with few pseudostomata.

33–40 µm.

23–35 µm;

papillose on both surfaces, with indistinct Y-mark sculpture on distal surface;

proximal laesura 0.5 spore radius or less.

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

branch stems green but sometimes reddish at proximal end, with cortex enlarged with conspicuous retort cells.

fascicles of 1–3 branches, 1–2 of these spreading, branches usually not numerous.