David Woodfall / Rabbit (Oryctolagus cuniculus), grazing amongst Purple vipers bugloss, (Echium plantagineum) Cornwall, England, UK, July.

David Woodfall / Strips of purple Vipers bugloss( Echium plantagineum) and Corn marigold (Chrysanthemum segetum) with Cornish coast in background background . Bosregan Meadows,St Just Cornwall,England ,UK

Ashley Cooper / The Isle of Eigg off Scotland's west coast, shows the way forward to a renewable future. in 1997 the island was purchased from its fuedal landlord by the Eigg Heritage Trust, a partnership between the...

Ashley Cooper / The Isle of Eigg off Scotland's west coast, shows the way forward to a renewable future. in 1997 the island was purchased from its fuedal landlord by the Eigg Heritage Trust, a partnership between the...

Nick Upton / Sweet acacia / Needle bush (Vachellia farnesiana / Acacia farnesiana) a Central American species invasive in many parts of the world on dry saline soils, growing by the coast, near Nafplio, Argolis, P...

Stephen Dalton / Purple Vipers Bugloss (Echium plantagineum) Extremadura, Spain

Loic Poidevin / Purple vipers bugloss (Echium plantagineum) in flower, with Garland chrysanthemum (Chrysanthemum coronarium) in flower, Alentejo, Portugal, April.

Loic Poidevin / Purple vipers bugloss (Echium plantagineum) flowers, Alentejo, Portugal, May.

Paul Harcourt Davies / Purple viper's bugloss (Echium plantagineum) wild in garden at Podere Montecucco. Orvieto, Umbria, Italy, May.

MYN / Jose Antunes / Purple viper's bugloss (Echium plantagineum) Portugal, April. Meetyourneighbours.net project.

MYN / Jose Antunes / Purple viper's bugloss (Echium plantagineum) Portugal, April. Meetyourneighbours.net project.

Sebastian Kennerknecht / Koster's Curse (Clidemia hirta), Tawau Hills Park, Sabah, Borneo, Malaysia