MYN / Niall Benvie / Melancholy thistle (Cirsium helenioides / Cirsium heterophyllum) in flower, Scotland, UK, June

Ernie Janes / Melancholy thistles (Cirsium helenioides) flowering, Norfolk, UK, May

Ernie Janes / Melancholy Thistle (Cirsium helenioides) and Buttercups (Ranunculus sp) flowering in meadow, UK

Andy Sands / Melancholy thistles (Cirsium helenioides) growing on roadside verge, Upper Teesdale, Co. Durham, England, UK, June 2009

Andy Sands / Melancholy thistle (Cirsium helenioides) close up of flower, Upper Teesdale, Co. Durham, England, UK, June

Gary K. Smith / Melancholy Thistles {Cirsium helenioides} growing in damp meadowland, Norfolk, UK, June

Geoff Simpson / Melancholy thistle (Cirsium helenioides) UK

Geoff Simpson / Melancholy thistle in flower {Cirsium helenioides} Derbyshire, UK.

Duncan Mcewan / Portrait of a Melancholy thistle {Cirsium helenioides} UK