Hookeria leskeoides Hooker, Musci Exot. 1: plate 55. 1818

Plants rigid, somewhat glossy. Stems 3-7 cm, branches to 10 mm, spreading. Stem leaves 2.3-3 × 0.8-1 mm; base abruptly rounded to insertion; marginal teeth partly recurved; costa 90-100% leaf length; alar cells 6-10 × 7-11 µm, region opaque, ± clearly delimited, extending almost to margins; laminal cells 35-65 × 5 µm, walls moderately porose; basal juxtacostal cells 9-11 µm wide, more distal juxtacostal cells elongate, in 2-4 rows, walls strongly pitted; cells in acumen rhombic. Sporophytes unknown in North America.

Limestone cliffs, boulders; low to moderate elevations (0-900 m); Ga., N.C., Okla., Tenn., Tex., W. Va.; Mexico; Central America; South America.

H. Hofmann (1997b) considered Palamocladium leskeoides to have a pantropical distribution, but specimens of Palamocladium from Asia and Africa differ somewhat from the American ones.