Alex Hyde / Lesser burdock (Arctium minus) close up of seed hooks that catch on animal fur, allowing the seedhead to be transported, Peak District National Park, Derbyshire, UK. February.

Colin Varndell / Lesser burdock (Arctium minus) flowers, Dorset, UK, July.

Alex Hyde / Lesser Burdock (Arctium minus) seedheads (burrs) showing velcro-like hooks that catch on animal fur, Peak District National Park, Derbyshire, UK. April.

Nick Upton / Marmalade hoverfly (Episyrphus balteatus) hovering near a Lesser burdock flower (Arctium minus), Gloucestershire, UK, July.

Nick Upton / Lesser burdock (Arctium minus) with red stems and purple tinged spiny bracts on the flowerheads, about to flower in rough grassland near the coast, Gower Penisula, Wales, UK, July.

Alex Hyde / Lesser burdock (Arctium minus) close up of seedheads showing hooks that catch on animal fur, allowing the seedhead to be transported, Peak District National Park, Derbyshire, UK. February.

Andy Sands / Goldfinch (Carduelis carduelis) perched on snow covered Lesser Burdock seedhead, December, Hertfordshire, UK

Andy Sands / Blue tit (Parus caeruleus) on snow covered seedhead of Lesser Burdock, December, Hertfordshire, UK

Roger Powell / Flock of Goldfinches (Carduelis carduelis) landing on dead Lesser Burdock (Arctium minus) seed heads to feed. Northumberland, UK

Brian Lightfoot / Lesser burdock {Arctium minus} Scotland, UK

Adrian Davies / Prickly seeds of Lesser Burdock (Arctium minus) with spiderweb, UK

Niall Benvie / Lesser burdocks {Arctium minus} in Estonian winter landscape.