Asteraceae
Western mountain aster
Symphyotrichum spathulatum
- Family
- Asteraceae
- Genus
- Symphyotrichum
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Common names
By language (1)
- English
- Western mountain aster
Synonyms
- Aster aestivus Rothr.
- Aster aestivus var. aestivus
- Aster fremontii A.Gray
- Aster fremontii f. fremontii
- Aster fremontii var. fremontii
- Aster occidentalis Torr. & A.Gray
- Aster occidentalis subsp. occidentalis
- Aster occidentalis var. delectabilis (H.M.Hall) Ferris
- Aster occidentalis var. occidentalis
- Aster occidentalis var. parishii (A.Gray) Ferris
- Aster occidentalis var. scabriusculus A.Gray
- Aster occidentalis var. typicus Cronquist
- Aster spathulatus Lindl.
- Aster spathulatus var. spathulatus
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Perennial
- In the US and Canada
- Canada: native, Lower 48 states: native
Photos
Photo: Jim Morefield, CC BY 4.0, from Wikimedia Commons 
Photo: Thayne Tuason, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Thayne Tuason, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Thayne Tuason, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Thayne Tuason, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Jim Morefield from Nevada, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Jim Morefield from Nevada, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Jim Morefield, CC BY 4.0, from Wikimedia Commons 
Photo: Matt Berger, CC BY 4.0, from Wikimedia Commons 
Photo: Martin Purdy, CC BY 4.0, from Wikimedia Commons 
Photo: Martin Purdy, CC BY 4.0, from Wikimedia Commons 
Photo: Matt Berger, CC BY 4.0, from Wikimedia Commons
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Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.