Canadensys: University of Alberta Vascular Plant Herbarium (ALTA-VP)
Canadensys, operated from the Université de Montréal Biodiversity Centre
"20550 - Smelowskia calycina (Stephan) C. A. Mey. var. integrifolia (Seem.) Rollins, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/12-121041. Accessed 01 Jun. 2025.