Gary K. Smith / Wasteland on industrial estate with wildflowers including Ragwort (Senecio jacobaea), Teasel (Dipsacus fullonum) and Viper's bugloss (Echium vulgare) Norfolk, England UK. July

Alex Hyde / Teasel seedhead (Dipsacus fullonum) silhouetted at sunset. Peak District National Park, Derbyshire, UK. September.

Fabrice Cahez / Water gathered in Fuller's teasel (Dipsacus fullonum) leaves, Vosges, France, July.

Loic Poidevin / Common teasel (Dispacus fullonum) flowers, Vendee, France, July.

Russell Cooper / Buff tailed bumblebee (Bombus terrestris) resting on flowering Teasel (Dipsacus fullonum) South-west London. UK, July.

Colin Varndell / Teasel flowerhead (Dipsacus fullonum) Dorset, England, UK, July.

Colin Varndell / Teasel flowerhead (Dipsacus fullonum) close-up. Dorset, England, UK, July.

Colin Varndell / Teasel flower (Dipsacus fullonum) in bud, Dorset, UK, July.

Colin Varndell / Teasel flower (Dipsacus fullonum) in bloom, Dorset, UK, August.

Alex Hyde / Teasels (Dipsacus fullonum) growing on a brownfield site. Kingston upon Hull, East Yorkshire, England, UK, January 2014.

Gary K. Smith / Teasel (Dipsacus fullonum) seed heads silhouetted at sunset, Norfolk, England, UK, October.

Gary K. Smith / Teasel (Dipsacus fullonum) seed heads silhouetted at sunset, Norfolk, England, UK, October.