The photo shows a variety (selection, cultivar or hybrid) of the species: Aster dumosus.
Bushy aster with the scientific name: Aster dumosus, a species of the genus Aster (Aster) in the family Asteraceae.
Other names: Bushy starwort, New York aster, Rice button aster
Synonyms: Symphyotrichum dumosum
Media-ID: 113095