Leaves broadly ovate to broadly elliptic, concave and often cucullate, apex usually obtuse, margins usually entire; costa often ending before the apex.
Capsules mature late summer (Aug.). Exposed soil, silt; low elevations; Greenland; N.W.T., Nun., Ont.,; Alaska; Europe; n Asia.
This somewhat poorly circumscribed taxon is largely restricted to the Arctic.
Treatments in Other Floras @ www.efloras.org
Flora of North America