Flora of North America species comparison

central strand usually present, sclerodermis and hyalodermis commonly absent.

ovate to oblong-lanceolate, apex acute, mucronate to short-awned, occasionally comparatively long-awned, margins recurved proximally to nearly plane, not or weakly bordered distally with slightly thicker-walled cells;

costa excurrent, lacking an adaxial pad of cells, distally narrow, 2(–3) cells across adaxial surface;

distal laminal cells distally quadrate-hexagonal, width 13–17 µm, 1:1, weakly simply papillose or smooth.

usually ovate or broadly ligulate to spathulate, apex usually rounded or broadly acute, margins recurved basally, distal laminal cells if 2-stratose stacked directly over one another, walls smooth or papillose, KOH yellow or red, occasionally orange, occasionally yellow distally and red basally;

costa with or without a differentiated abaxial epidermis;

gemmae largely absent.

very short.

autoicous.

cleistocarpic, spheric to very short-ellipsoid, erect, mostly 0.9–1.3 mm;

peristome absent;

operculum not differentiated.

(25–)33–40 µm, spheric, densely papillose.

immersed.