Ecology: Lowland forest and premontane forest, but rare, and apparently at even high elevations; on soil, soil of termite nests, log, exposed tree roots. Elevation: 130-1200(3450) m (Venezuela: 130-430 m, Colombia: 250-1200 m, Ecuador: 245-?3450? m, Peru: ?m, Bolivia: 180-540 m). Distribution: Greater Antilles, Colombia to Bolivia, and Brazil.
Fissidens inaequalis is characterized by oblanceolate to oblong leaves, obtuse apex, entire to crenulate margins, unbordered, subpercurrent (to 9 cells) to percurrent costa, vagninat laminae 1/3-1/2 the leaf length, and firm-walled, smooth (some cells guttulate) laminal cells. Fissidens macroblastus R.S. Williams is synonym.
Fissidens inaequalis se caracteriza por las hojas oblanceoladas a oblongas, ápice obtusos, márgenes enteros a crenulados, sin borde, costa subpercurrente (hasta 9 células) a percurrente, lámina vaginante 1/3-1/2 del largo de la hoja, y células de la lámina lisas firmes (algunas células gutuladas) con paredes. Fissidens macroblastus R.S. Williams es un sinónimo.