[Willowherbs and Spike-primroses: The Genus Epilobium in the Cascade Mountains of Oregon and Washington]

Yellow willowherb blooming along the Timberline Trail immediately to the north of McNeil Point, Mt. Hood.............August 19, 2012.

Yellow willowherb blooming on the banks of a small stream along the Sheep Canyon Trail just east of the junction with the Toutle Trail, Mt. St. Helens National Volcanic Monument...........August 20, 2017.

Yellow willowherb blooming at springs that gush from the hillside along FS Road #2329 a mile or so north of Midway Meadows, Gifford Pinchot National Forest......July 13, 2018.