Viola nephrophylla Greene

A widespread and variable scapose purple-flowered violet, not entirely distinct from and sometimes included within Viola sororia.

Plant habit in a meadow on the north side of Mount Adams on the Killen Creek Trail, Skamania County, Washington, 3 Aug 2008.

Flowers on the north side of Mount Adams, 3 Aug 2008.

Basal leaves on the north side of Mount Adams, 3 Aug 2008.