M. sprucei (Limpr.) Bernet (per., spor.)

– 17, 18 (4: 488–1030 m), sp.: on spots of fine-earth-loamy soil in rocky dwarf shrublichen tundra surrounded by rock fields [121270], mixed with Gymnomitrion concinnatum, Diplophyllum obtusifolium, Prasanthus suecicus, Isopaches bicrenatus . This species was collected once on a road on sandy soil between tracks mixed with Endogemma caespiticia, Nardia japonica (47/3).