See other conspecific taxa:

• Symphyotrichum spathulatum var. intermedium (0 accessions)
• Symphyotrichum spathulatum var. spathulatum (0 accessions)

Common names:

• western aster  (Source: F Utah ed2) - English
• western mountain aster  (Source: F NAmer) - English

Economic Importance:

• Vertebrate poisons: mammals (to livestock via selenium poisoning fide Kingsbury, as Aster occidentalis)

Distributional Range:

Native

Northern America

• SUBARCTIC AMERICA: Canada [Northwest Territory (s.w.)]
• WESTERN CANADA: Canada [Alberta (s.w.), British Columbia (s.)]
• NORTHWESTERN U.S.A.: United States [Colorado, Idaho, Montana (w.), Oregon, Washington, Wyoming]
• SOUTH-CENTRAL U.S.A.: United States [New Mexico (n.)]
• SOUTHWESTERN U.S.A.: United States [California, Nevada, Utah]
• NORTHERN MEXICO: Mexico [Baja Norte]

References:

1. Allred, Kelly W. Flora Neomexicana I: The vascular plants of New Mexico, an annotated checklist to the names of vascular plants with synonymy and bibliography. (L New Mex)
2. FNA Editorial Committee Flora of North America. 1993- (F NAmer)
3. Welsh, S. L. et al. A Utah flora. (F Utah ed2)

Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2024. Germplasm Resources Information Network (GRIN-Taxonomy).
National Germplasm Resources Laboratory, Beltsville, Maryland. URL: http://germoplasma.iniaf.gob.bo/gringlobal/taxonomydetail.aspx?id=406995. Accessed 6 julio 2024.