Symphyotrichum hendersonii

Symphyotrichum hendersonii (formerly Aster hendersonii) is a species of flowering plant in the family Asteraceae native to the northwestern United States. Commonly known as Henderson's aster, it is a perennial, herbaceous plant that may reach 70 to 150 centimeters (2 to 5 feet) tall. Its flowers have purple ray florets and yellow disk florets.^[3]

Isotype of Aster hendersonii stored at the Harvard University Herbarium. Collected 5 August 1894 at the Saint Maries River, Kootenai County, Idaho.

Symphyotrichum hendersonii
Conservation status
Apparently Secure  (NatureServe)[1]
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Asterales
Family:	Asteraceae
Tribe:	Astereae
Subtribe:	Symphyotrichinae
Genus:	Symphyotrichum
Subgenus:	Symphyotrichum subg. Symphyotrichum
Section:	Symphyotrichum sect. Occidentales
Species:	S. hendersonii
Binomial name
Symphyotrichum hendersonii (Fernald) G.L.Nesom[2]
Native distribution[3]
Synonyms[2]
Aster hendersonii Fernald