ELLEN JASKOL, Clematis "Venosa Violacea", July 24, 2007, photographed at the Denver Zoo for Favorite Flowers story. DIG 2008(ELLEN JASKOL/ROCKY MOUNTAIN NEWS) (07/25/2007), [436188995] . Denver Public Library Digital Collections, accessed 18/07/2025, https://digital.denverlibrary.org/nodes/view/898228