"Species Details - Smelowskia calycina (Stephan) C. A. Mey. var. porsildii W.H. Drury & Rollins, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/1-20535. Accessed 11 May. 2024.
There are 6 specimens of this Species.