Burdock, Arctium lappa.

Dandelion & Burdock, Taraxacum officinale & Arctium lappa.

Burdock, Arctium lappa.

Burdock, Arctium lappa.

Burdock, Arctium lappa.

Studio shot of thistle-like flowers of Arctium lappa, Greater burdock, on a leafy syem against a white background.