References
Semple, J.C., M. Horsburgh and M. Haggitt. 2024. A multivariate morphometric analysis of the Bushy Aster complex: Symphyotrichum dumosum and S. simmondsii (Asteraceae: Astereae). Phytoneuron 2024-43: 1-15. Published 6 June 2024. ISSN 2153 733X Google Scholar