- Rocky Mountain National Park, Longs Peak4
- Within 100 miles of Canyon City4
- collected mostly within 100 miles of Canyon City4
- Beaver Creek3
- Mineral3
- Park3
- Pitkin3
- San Juan3
- South shore of Bear Lake, Rocky Mountain National Park3
- Arapahoe National Forest, along Fraser River at Winter Ski Area on Hwy. 40 near Winter Park2
- Below Blue Lake, 6 miles W. WARD2
- Between University Camp and Silver Lake, Boulder Watershed, along telephone line trail2
- Custer2
- Deadwood Gulch, San Juan Mts., 2 miles SSW Silverton2
- Idaho Springs, South shore of Summit Lake, Mt. Evans, 12 miles WSW2
- Lake2
- Lone Pine Creek Trail, Mount Zirkel Wilderness, Park Range, 18 miles west of Walden2
- Long's Peak.2
- Longs Peak Valley, Twin Sisters Slope2
- Rocky Mountain National Park, Dream Lake Trail, 0.8 mile southeast of Bear Lake2