Deschampsia cespitosa var. alpina Gaudin ex Ducommun nom. illeg.
Deschampsia cespitosa var. alpina Gaudin ex Ducommun nom. illeg. is a synonym sensu Payette, 2013+ of:
Deschampsia cespitosa subsp. neoalpina Chiapella, Xue & Greimler, an accepted subspecies name sensu Payette, 2013+.