Western Mountain Aster
Symphyotrichum spathulatum (Lindley) Nesom (Brouillet et al. 2006; FNA)
Brouillet, L., J.C. Semple, G.A. Allen, K. Chambers and S. Sundburg. 2006. Symphyotrichum Nees. pp. 465-539. In Flora North America Editorial Committee, eds. Flora of North America. Vol. 20. Asteraceae, Part 2. Astereae and Senecioneae. Oxford University Press, New York.

Revised 15 May 2021 by J.C. Semple
© 2021 J.C. Semple, including all photographs unless otherwise indicated