Dryas integrifolia subsp. sylvatica
Svensk Bot. Tidskr. 53: 536. 1959.
Leaf-blades oblong to oval, base cuneate to rounded, margins usually flat, sometimes narrowly revolute, usually entire to serrate in proximal 2/3–3/4, rarely serrate throughout, apex obtuse. 2n = 18.
Phenology: Flowering Jun–Aug.
Habitat: Alpine turf slopes, wet spruce-birch forests, bogs, gravel beaches, stream bars, dry areas
Elevation: 400–1600 m
N.W.T., Nunavut, Yukon, Alaska, e Asia (Russian Far East)