- Subalpine moraine between University Camp and Silver Lake, Boulder Watershed, along telephone line trail1
- Trail from Fourth of July Campground (ca. 10,250 ft. alt.) to Diamond Lake (ca. 11,000 ft. alt.), ca. eight miles northwest of Nederland1
- Upper Gregory Canyon1
- Vicinity of Castle Rock in Middle Boulder Creek Canyon, 1.5 miles northeast of Tungsten1
- West base of Steamboat Mountain, foothills of Front Range 2 miles N. W. of Lyons1
- West base of Steamboat Mountain, foothills of Front Range 2 miles N.W. of Lyons1
- along Boulder Creek, ¼ mile west of Boulder Falls, 9 miles west of Boulder1
- along St. Vrain Creek, northwest of Lyons1
- along trail to Mitchell Lake, 4 miles west of Ward1
- along trail to Mitchell Lake, 4½ miles west of Ward1
- below Blue Lake, Front Range, 6 miles west of Ward1
- below waterfall northwest of Diamond Lake, 8 miles northwest of Eldora1
- ca. 6 mi n of Longmont near highway 261
- east of Calypso Cascades, Thunder Lake Trail, Rocky Mountain National Park, 3½ miles west of Allenspark1
- near Castle Rock, Boulder Canyon, 15 miles W. Boulder1
- north St. Vrain Canyon, along a northern tributary just inside the canyon mouth, 3 miles northwest of Lyons1
- north slope of Niwot Ridge, 6 miles west of Ward1
- north-facing slope above Caribou Creek 2 miles west of Nederland on road to Caribou1
- southwest slope of Steamboat Mountain, circa 2 miles northwest of Lyons, foothills of Front Range1
- vicinity Castle Rock, Middle Boulder Creek Canyon, 1.5 miles northeast of Tungsten1