Synonyms: Aster occidentalis (Nuttall) Torrey & A. Gray
Treatment appears in FNA Volume 20. Treatment on page 535.

Plants 20–50(–60) cm. Leaves narrowly elliptic to oblanceolate. Heads 3–10(–20). 2n = 16, 32, 48, 64.


Phenology: Flowering Jul–Aug.
Habitat: Montane meadows, open aspen and coniferous forests
Elevation: (100–)1200–2900 m

Distribution

V20-1194-distribution-map.gif

Alta., B.C., N.W.T., Calif., Colo., Idaho, Mont., Nev., N.Mex., Oreg., Utah, Wash., Wyo., Mexico (Baja California).

Discussion

Selected References

None.

Lower Taxa

None.
Luc Brouillet +, John C. Semple +, Geraldine A. Allen +, Kenton L. Chambers +  and Scott D. Sundberg† +
(Lindley) G. L. Nesom +
Aster spathulatus +
Alta. +, B.C. +, N.W.T. +, Calif. +, Colo. +, Idaho +, Mont. +, Nev. +, N.Mex. +, Oreg. +, Utah +, Wash. +, Wyo. +  and Mexico (Baja California). +
(100–)1200–2900 m +
Montane meadows, open aspen and coniferous forests +
Flowering Jul–Aug. +
Aster occidentalis +
Symphyotrichum spathulatum var. spathulatum +
Symphyotrichum spathulatum +
variety +