Campanula genus --- bellflower family
clustered bellflower (Campanula glomerata) -- in June -- High Line Canal, Denver Area, CO blue & puple
Parry's harebell (Campanula parryi) -- in August -- Sand Creek National Landmark, WY blue & purple
Parry's harebell (Campanula parryi) -- in July -- Cub Lake Trail, RMNP
California harebell (Campanula prenanthoides) -- in July -- Yosemite National Park, CA blue & purple
rampion bellflower (Campanula rapunculoides) -- in June -- High Line Canal, Denver Area, CO blue & purple
rampion bellflower (Campanula rapunculoides) -- in July -- Gregory Canyon, Boulder County, CO
common harebell (Campanula rotundifolia) -- in July -- Timber Trail, Lory State Park, CO blue & purple
alpine harebell (Campanula uniflora) -- in July -- Old Fall River Road, RMNP, CO blue & purple