Ecology: Puna; on soil in depression or hole.Elevation: 4200 m. Distribution: Endemic to the tropical Andes (Bolivia).
This species is only known from the type collection made by Herzog from Llavetal (Department of Cochabamba). Fissidens incisus is distinguished by dimorphic plants, sterile plants large (to 5 mm), leaves to 18 pairs along stems, fertile plants smaller (to 1.5 mm), leaves 3-4 pairs; leaves entire, bordered throughout, border 2-3 stratose, vaginant lamina ca. 3/4 leaf length, smooth, or slightly bulging laminal cells, somewhat unequally divided peristome, spiculose segments (Pursell 2007).
Esta especie sólo es conocida por la colección tipo realizada por Herzog en Llavetal (departamento de Cochabamba). Fissidens incisus se distingue por las plantas dimórficas, plantas estériles grandes (hasta 5 mm), tallos con hasta 18 pares de hojas, plantas fértiles menores (hasta 1.5 mm), 3-4 pares de hojas; hojas enteras, completamente bordeadas, borde con 2-3 estratos, lámina vaginante ca. ¾ el largo de la hoja, células de la lámina lisas o escasamente abultadas, peristoma dividido algo desigualmente, segmentos espiculados (Pursell 2007).