Purple-blue "Farrer's Aster" flower with orange disc in St. Gallen, Switzerland. Its Latin name is Aster Farreri (Syn Erigeron Farreri), native to western China and Tibet. – Stock-Foto | Adobe Stock
Alpen-Aster (Aster Alpinus) blüht in den Schweizer Alpen, Schweiz Stockfotografie - Alamy
Aster amellus 'Rotfeuer' / Bergaster - Gärtnerei Schwitter AG