This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
thistle. Flowers of creeping thistle Cirsium arvense Verulamium Park St Albans Hertfordshire Own image taken June Gary Houston Ghouston October UTC cczero Closeups of Cirsium arvense flowers Flowers in Hertfordshire Cirsium arvense Flora of Hertfordshire in June Cirsium arvense Cirsium in the Northern Hemisphere in June Cirsium