Eriophorum angustifolium subsp. triste (Th. Fries) Hultén
Eriophorum angustifolium subsp. triste (Th. Fries) Hultén is a synonym sensu FNA Ed. Comm., 2002a of:
Eriophorum triste (Th. Fries) Hadac & Á. Löve, an accepted species name sensu Cayouette (ined.).