Amer. Fern J. 73: 115. 1983.
Stems ca. 5 mm diam.; scales dark-brown, linear-lanceolate. Leaves pendent, sometimes erect in small plants. Petiole black, 1/10–1/5 length of blade, hairs few, unbranched; scales ovate to cordate, conspicuous, inflated. Blade linear-elliptic, 15–50 × 3–7 cm; base abruptly cuneate; apex tapering to acute. Segments linear, 1.5–2.5 mm wide, sparsely short-pubescent; segments at base of blade abruptly reduced to lobes, not deflexed. Veins 1-forked. Sori round; sporangia with 64 spores. 2n = 148.
Phenology: Sporulating all year.
Habitat: Epiphytic or occasionally on rock, wet woods, river banks, hammocks, and limesinks
Elevation: 0 m
Fla., Mexico, West Indies, Central America, South America to s Brazil