- Along Ute Trail, south of Lake Irene, Rocky Mountain National Park1
- Between summit of Mount Evans and Mount Epaulet1
- Fall River at Campground, ca. 7 miles WNW of Estes Park, Rocky Mountain National Park1
- Garfield1
- Grand1
- Mostly within 100 miles of Canyon City1
- North shore of Summit Lake, Mt. Evans, 23 miles WSW. Idaho Springs1
- Pitkin1
- Rocky Mountain National Park and vicinity, streambed community Timerline Camp1
- Rocky Mountain National Park, Longs Peak1
- Saddle on the NE shoulder of Mount Audubon, between the summit and point1
- San Juan National Forest at Westfork Campground, 12 miles east of Pagosa Springs on U.S. 1601
- South Fork along US 160, San Juan Mts. 10 miles SW South Fork1
- South shore of Summit Lake, Mount Evans1
- White Rocks, NE of Boulder1
- Within 100 miles of Canyon City1
- collected mostly within 100 miles of Canyon City1
- foothills of Mount Gibson, Wet Mountain Valley1
- in gully leading into Cache la Poudre River 2.7 miles northwest of Route 287, 4 miles northwest of LaPorte1
- no data1