[Members of the Sunflower Family with Discoid Flower Heads West of the Cascade Mountains of Oregon and Washington]

Waldo daisy blooming on serpentine substrates at the Rough and Ready Botanical Wayside south of O'Brien, OR.....April 22, 2021.

Waldo daisy blooming on gravelly slopes within the Biscuit Fire on a ridge about three-quarters of a mile southeast of Whetstone Butte........July 15, 2012.

Waldo daisy blooming at the King Mountain Rock Garden ACEC in northeastern Josephine County, OR.......June 11, 2017.

Waldo daisy blooming on gravelly slopes within the Biscuit Fire on a ridge about three-quarters of a mile southeast of Whetstone Butte............July 15, 2012.