S. opacifolia (Culm. ex Meyl.) Konstant. (ant., per., spor.)

– 1, 2, 3, 4, 5, 8 (8: 634–926 m), fr.: on soil between rocks in rock fields, on fine earth between rocks on banks of streams under snowfields [121145]. In pure mats or mixed with Lophozia spp ., Cephalozia bicuspidata, C. ambigua, Fuscocephaloziopsis pleniceps, Lophoziopsis excisa, Scapania mucronata, Harpanthus flotovianus, Bartramia ithyphylla, Pohlia drummondii . It was once collected on fine earth between rocks on carbonate cliff [121174], mixed with Odontoschisma macounii, Blepharostoma trichophyllum subsp. brevirete, Mesoptychia heterocolpos, Distichium capillaceum, Mnium thomsonii, Encalypta affinis .