**(*) S. irrigua subsp. rufescens (Loeske) R.M. Schust. [ var. rufescens (Loeske) R.M. Schust.] (gem.)

– 4, 7 (4: 713–946 m), sp.: in boggy willow thickets in seepages, on banks of streams, between and under rocks in rock fields at edges of snowfields. It has been collected in the same habitats as the typical subspecies [121147]. It has also been collected in hollows in dwarf shrub-sedge-moss bogs mixed with Gymnocolea inflata, Odontoschisma elongata, Warnstorfia sarmentosa (26/1) and in snowbeds mixed with Lophozia murmanica, Cephalozia bicuspidata (28/3-1). This subspecies differs from the typical subspecies in obtuse to rounded lobes and red pigmentation.