[Buttercups: The Genus Ranunculus in the Cascade Mountains of Oregon and Washington]

Hartweg's buttercup as seen in wet meadows along the Timberline Trail above Mt. Hood Meadows Ski Area.........July 25, 2010.

Additional close-up photos of Hartweg's buttercup as seen in wet meadows along the Timberline Trail above Mt. Hood Meadows Ski Area.........July 25, 2010.

What appears to be Hartweg's buttercup blooming at left in High Prairie at the trailhead to Lookout Mountain, Badger Creek Wilderness...........June 21, 2014. The photo at right shows Hartweg's buttercup in bloom in wet meadows along the Timberline Trail at the southwest corner of Mount Hood Meadows Ski Area, Mount Hood, OR......July 4, 2021.