(Sw.) Und. & Max., Contr. U.S. Natl. Herb. 10:487.1908

Epiphyte; rhizome moderately short with many fineroot­lets densely covered with threadlike, reddish-brownscales; rhizome scales linear-lanceolate, attenuate,clath­rate, iridescent. Leaves simple, entire, sessile, ±linear, tapering gradually at both ends, mostly 10-30 cm long,1-1.5 cm wide (the sterile leaves shorter and relatively broader),± thick, glabrous to minutely scaly. Sori exin­dusiate,in continuous or irregularly interrupted lines very near margins.Croat 4367.

Occasional, in the forest, usually on smallertrunks and branches moderately near the ground.

Throughout much of tropical America. In Panama, known fromtropical moist forest in the Canal Zone, Bocas del Toro, Veraguas,and Darien, from premontane wet forest in Chiriqui and Panama, andfrom tropical wet forest in Panama.