aster acuminatus; aster arenosus; aster cordifolius; aster divaricatus; aster dumosus; aster ericoides; aster falcatus; aster family; aster linarifolius; aster linosyris; aster macrophyllus; aster novae-angliae; aster novi-belgii; aster ptarmicoides; aster shortii; aster tripolium; aster turbinellis;