Unresolved name

Unresolved name: Plant » Green Plants » Streptophyta » Embryophyta » Ferns » Spermatophytina » Dicotyledons » Lilianae » Grasses » True Grasses » Hairgrass » Tufted Hair Grass «

Deschampsia cespitosa var. mackenzieana (Raup) B. Boivin