viburnum genus --- Moschatel family
squashberry (Viburnum edule) -- in July -- Wild Basin, Rocky Mountain NP, CO     white & cream 
Picture
wayfaring tree (Viburnum lantana) -- in June -- Old Flowers Road, Roosevelt National Forest, CO          white & cream  ​     
wayfaring tree (Viburnum lantana) -- in May -- Jewell Wetlands Park, Denver Area, CO        ​  white & cream  
Picture
wayfaring tree (Viburnum lantana) -- in August -- Jewell Wetlands Park, Denver Area, CO
Picture
wayfaring tree (Viburnum lantana) -- in May -- Cattail Chorus, Fort Collins Natural Area, Larimer County, CO
American cranberrybush (Viburnum opulus var. americanum) -- in May -- High Line Canal, Aurora, CO      white & cream  ​