Flora of North America species comparison

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Symphyotrichum spathulatum var. spathulatum
Photo is of parent taxon

western aster, western mountain aster
Habit Plants 20–50(–60) cm.
Leaves

narrowly elliptic to oblanceolate.
Heads

3–10(–20).
2n

= 16, 32, 48, 64.

Symphyotrichum spathulatum var. spathulatum
Phenology Flowering Jul–Aug.
Habitat Montane meadows, open aspen and coniferous forests
Elevation (100–)1200–2900 m ((300–)3900–9500 ft)
Distribution
from FNA
CA; CO; ID; MT; NM; NV; OR; UT; WA; WY; AB; BC; NT; Mexico (Baja California)
[BONAP county map]
Source FNA vol. 20, p. 535.
Parent taxa Asteraceae > tribe Astereae > Symphyotrichum > subg. Symphyotrichum > sect. Occidentales > Symphyotrichum spathulatum
Sibling taxa
S. spathulatum var. intermedium, S. spathulatum var. yosemitanum
Synonyms Aster occidentalis
Name authority unknown
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Apiaceae, Boraginaceae, and Polemoniaceae.)

Choose a data source: Flora of North America, OregonFlora

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