[Fungi East of the Cascade Mounains of Oregon and Washington]

What appears to be giant puffball as seen along the Fremont National Recreation Trail #160 on the western slopes of Twelvemile Peak, Fremont-Winema National Forest.....July 16, 2022.

A giant puffball as seen Lookout Mountain, Ochoco National Forest.......June 15, 2015. This individual is smaller than the images below. Note the small-flowered blue-eyed mary (Collinsia parviflora) at upper right for comparison.

Cross-section through a giant puffball as seen near Antelope Mountain Lookout, Malheur National Forest.......June 25, 2011.