Flora of North America species comparison

leaves crowded, homomallous when dry, gradually narrowed to apex, slightly concave;

alar cells usually many, region reaching from margin to costa at insertion or nearly so;

laminal cells 5–9:1;

basal cells shorter, broader.

orange-yellow or at base reddish, 0.8–1.4 cm.

with annulus separating, 1- or 2-seriate;

operculum conic to short-rostrate;

exostome teeth lanceolate, brownish yellow, external surface reticulate or reticulate-striate basally or with portions cross striolate;

endostome cilia to 1/2 segment length.

finely papillose.

asexual reproduction by papillose rhizoidal gemmae on abaxial costa surface.

with inner leaves ± suddenly narrowed to apex, not plicate, margins irregularly denticulate distally, apex acuminate, laminal cells smooth.