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Symphyotrichum spathulatum var. spathulatum (Western mountain aster)
Bransford, W.D. and Dolphia

Symphyotrichum spathulatum var. spathulatum

Symphyotrichum spathulatum (Lindl.) G.L. Nesom var. spathulatum

Western Mountain Aster

Asteraceae (Aster Family)

Synonym(s): Aster ascendens var. fremontii, Aster delectabilis, Aster fremontii, Aster fremontii var. parishii, Aster occidentalis, Aster occidentalis var. delectabilis, Aster occidentalis var. fremontii, Aster occidentalis var. parishii, Aster spathulatus, Symphyotrichum spathulatum var. fremontii, Tripolium occidentale


USDA Native Status: L48 (N), CAN (N)


From the Image Gallery

3 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Size Notes: Up to about 2 feet tall.
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.

Bloom Information

Bloom Color: Yellow , Violet
Bloom Time: Jul , Aug


USA: CA , CO , ID , MT , NM , NV , OR , UT , WA , WY
Canada: AB , BC , NT

Value to Beneficial Insects

Special Value to Native Bees

This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.

Find Seed or Plants

Find seed sources for this species at the Native Seed Network.

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Native Seed Network - Corvallis, OR

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Symphyotrichum spathulatum var. spathulatum in USDA Plants
FNA: Find Symphyotrichum spathulatum var. spathulatum in the Flora of North America (if available)
Google: Search Google for Symphyotrichum spathulatum var. spathulatum


Record Modified: 2023-01-27
Research By: TWC Staff

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