Ecology: Páramo and puna; on rock. Elevation: 4000-4500 m (Ecuador: >4000 m, Bolivia: 4500 m). Distribution: Tropical Andes (Ecuador to Bolivia), southern températe Argentina, and islands of Kerguelen and Marion.
Schistidium amblyophyllum is characterized by the keeled, narrowly lanceolate leaves to 3 mm, recurved margins (usually along one side), smooth to weakly papillose, percurrent to short excurrent costa (with hyaline tip), sinuose basal cells, 5:1 (notably along the costa), deeply immersed capsules, when dry campanulate to short cylindrical. Schistidium angustifolium (Mitt.) Herzog (Grimmia angustifolia Mitt.) is a synonym.
Schistidium amblyophyllum se caracteriza por las hojas carinadas, angostamente lanceoladas hasta 3 mm, márgenes recurvados (generalmente en un lado), costa lisa a débilmente papilosa, percurrente a corto excurrente (con ápice hialino), células basales sinuosas, 5:1 (notably a lo largo the costa), cápsulas profundamente inmersas, en seco campanuladas a corto cilíndricas. Schistidium angustifolium (Mitt.) Herzog (Grimmia angustifolia Mitt.) es un sinónimo.