"Species Details - Persicaria amphibia (L.) Delarbre var. stipulacea (N. Coleman) H. Hara, University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/1-19980/12-114159. Accessed 03 Sep. 2024.
There are 40 specimens of this Species.