Symphyotrichum lanceolatum var. hesperium   marsh or willow aster
           (Alt: Aster hesperius )
  
Asteraceae (Alt: Compositae )
native                      herbaceous           
Distribution: South Boise, Foothills, Greenbelt

UW Burke Herbarium Link: Symphyotrichum lanceolatum var. hesperium
USDA Plants Link: Symphyotrichum lanceolatum var. hesperium   (SYLAH6)
Flora of North America Link: Symphyotrichum lanceolatum var. hesperium