[The Violet Family in the Columbia River Gorge of Oregon and Washington]

Howell's violet as seen high along the Dog Mountain Trail in the central Columbia River Gorge.........May 4, 2011.

The photo at left shows a dorsal leaf surface while the photo at right shows the ventral leaf surface of Howell's violet as seen high along the Dog Mountain Trail in the central Columbia River Gorge..........May 4, 2011.