Aster amellus ( and x frikartii ) flowers compared
Left hand photograph from top left
‘Monch’, ‘Violet Queen’, ‘King George’, ‘Pink Zenith’
Right hand photograph, from top left
‘King George’, ‘Violet Queen’, ‘Monch’, ‘Pink Zenith’

Aster novi-angliae flowers compared
From top left
‘Helen Picton’, ‘Lye End Beauty’
‘Harrington’s Pink’, ‘Andenken an Alma Potschke’
‘Purple Dome’