"Species Details - Smelowskia calycina (Stephan) C. A. Mey. var. media W. H. Drury & Rollins, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/1-20533/12-120984. Accessed 12 Sep. 2024.
There are 5 specimens of this Species.