Western wallflower, rare white variation (Erysimum capitatum)

July 6, 2014, was spectacular as we went to Casco Peak and found millions of the rare purple variation to the wallflower, but also one clump of white ones and one clump of orange-pink ones. These latter two color variations would seem to be very rare in the wild. Here is the white example.

This next one, from high on the trail at the Mt Goliath Nature Center near Mt Evans, is a different type of white. July 16, 2015.