Plants pale and subpellucid. Leaf cells 25--32 ´ 30--42 m m in midleaf, trigones distinct, oil bodies 10--20 per median cell.

Acidic sites over peaty grounds near small stream; 0--500 m; nw and w Greenland.

This variety is restricted to Greenland (R. M. Schuster 1958, 1988; R. M. Schuster and K. Dansholt 1974), where it is frequently associated with Anastrophyllum minutum, Barbilophozia binsteadii, B. hatcheri, B. kunzeana, B. quadriloba, Lophozia ventricosa, Tritomaria quinquedentata subsp. quinquedentata, and Ptilidium ciliare.