Jussi Murtosaari / Peacock butterfly (Inachis io) newly emerged on asters, Jyvaskyla, Finland, August.

Donald M. Jones / Golden-mantled Ground Squirrel (Callospermophilus lateralis) feeding on dandelion, western Canada

Jan Vermeer / Rose (Rosa sp) and Aster (Asteraceae) flowers

Rod Williams / Comma butterfly (Polygonia c-album) feeding on wild aster, Sutcliffe Park Nature Reserve, Eltham, London, UK, September.

Cyril Ruoso / Common Sunflower (Helianthus annuus) field, Bourgogne, France

Cyril Ruoso / Common Sunflower (Helianthus annuus) field, Bourgogne, France

Terry Whittaker / 2020VISION / Sea aster (Tripolium pannonicum) in flower, Abbotts Hall Farm, Essex, England, UK, September. 2020VISION Book Plate.

Nick Upton / 2020VISION / Honey bee (Apis mellifera) foraging on Pink asters (Aster novae-angliae) in garden, Wiltshire, England, UK, September. Did you know? A honey bee will travel six miles or more on a single foraging flig...

Jim Brandenburg / Thickspike Gayfeather (Liatris pycnostachya) flowering on tallgrass prairie, Crow-Hassan Park Reserve, Minnesota

Stephen Dalton / Red admiral butterfly (Vanessa atalanta) shortly after taking off from Aster flowers, UK, sequence 1/4

Jim Brandenburg / Thickspike Gayfeather (Liatris pycnostachya) flowers with eagle-shaped cloud, Touch the Sky Northern Tallgrass Prairie National Wildlife Refuge, Minnesota

Wild Wonders of Europe / Giesbers / Alpine aster (Aster alpinus) flower with water droplets at the end of the petals, Liechtenstein, June 2009