Adrian Davies / Large flowered butterwort (Pinguicula grandiflora), Picos de Europa, Spain, June.

David Tipling / Large flowered butterwort {Pinguiculua grandiflora} against granite rock. Killarney NP, Co Kerry, Republic of Ireland.

Adrian Davies / Large flowered buttewort with flies caught on leaves {Pinguicula grandiflora} UK

Tony Evans / Large flowered butterwort flowering {Pinguicula grandiflora} UK

Tony Evans / Large flowered butterwort flowering {Pinguicula grandiflora} UK

Juan Manuel Borrero / Large flowered butterwort {Pinguicula grandiflora} Pyrenees, Catalonia, Spain

Juan Manuel Borrero / Large flowered butterwort in flower {Pinguicula grandiflora} Pyrenees, Spain

Robert Thompson / Large-flowered butterwort (Pinguicula grandiflora) Callow Hill, County Fermanagh, Northern Ireland, UK, June