Symphyotrichum jessicae

Symphyotrichum jessicae (formerly Aster jessicae) is a species of flowering plant in the family Asteraceae endemic to Idaho and Washington states in the United States. Commonly known as Jessica's aster, it is a perennial, herbaceous plant that may reach 40 to 150 centimeters (1+1⁄4 to 5 feet) tall. Its flowers have violet ray florets and yellow disk florets. It is of conservation concern and known only from the Palouse River and Clearwater River drainages of eastern Washington and northwestern Idaho.^[4]

S. jessicae specimen collected at Nez Perce County, Idaho, 2 September 2004 by Karen L. Gray. Stored at the New York Botanical Garden Steere Herbarium.

Symphyotrichum jessicae
Conservation status
Imperiled  (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. jessicae
Binomial name
Symphyotrichum jessicae (Piper) G.L.Nesom[2]
Native distribution[a][3]
Synonyms[2]
Aster jessicae Piper

Notes

1. Idaho counties – Clearwater, Idaho, Latah, Lewis, and Nez Perce; Washington counties – Columbia, Walla Walla, and Whitman.^[3]