MYN / Marko Masterl / Creeping Thistle (Cirsium arvense) in flower, Slovenia, Europe, August. meetyourneighbours.net project

Nick Upton / Female Marbled white butterfly (Melanargia galathea) feeding on a Creeping thistle flower (Cirsium arvense) in a chalk grassland meadow as a male hovers above to court her, Wiltshire, UK, July.