"Species Details - Agoseris glauca (Pursh) Raf. var. dasycephala (Torr. & A. Gray) Jeps., University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search-test.museums.ualberta.ca/g/1-8588. Accessed 01 Oct. 2025.
There are 35 specimens of this Species.