Ecology: Montane forest (Tucuman-Bolivian); on logs and trees. Elevation: from 1300-2800 m. Distribution: Endemic to Bolivia.
Sematophyllum eurycystisis characterized by the small plant stature, short, curved branches, narrowly lanceolate leaves to ca. 1.1 mm, entire margins, similar or slightly shorter apical than median cells, somewhat inflated alar cells, supra-alar cells in 2-4 rows along margin, setae ca. 5-7 mm, and horizontal capsules.
Sematophyllum eurycystis se caracteriza por las plantas de estura reducida, ramas curvadas, cortas, hojas angostamente lanceoladas hasta ca. 1.1 mm, márgenes enteros, células apicales similares o escasamente más cortas que las células mediales, células alares algo infladas, células supra-alares en 2-4 filas a lo largo del margen, setas ca. 5-7 mm y cápsulas horizontales.