https://uwaterloo.ca/astereae-lab/research/asters/symphyotrichum/symphyotrichum-heterophylli/symphyotrichum-laeve/var-laeve
Symphyotrichum laeve | Astereae Lab | University of Waterloo
Smooth Aster, aster lisse
symphyotrichum laeveuniversity ofastereaelabwaterloo
https://www.rhs.org.uk/plants/512258/symphyotrichum-laeve-tall,-dark-and-handsome/details
Symphyotrichum laeve 'Tall, Dark and Handsome' | /RHS
tall dark and handsomesymphyotrichum laeverhs