Loic Poidevin / Rough-backed bush cricket (Uromenus rugosicollis) on Silver Ragwort (Jacobaea maritima), Vendée, France. July.

Loic Poidevin / Stick Insect (Phasmida) on Silver Ragwort (Jacobaea maritima), Vendee, France. August.

Nick Upton / Silver ragwort / Dusty Miller (Jacobaea maritima / Senecio cineraria), a Mediterranean species becoming naturalised on UK coasts, flowering on a cliff face, Widemouth Bay, Cornwall, UK, June.

Nick Upton / Silver ragwort / Dusty Miller (Jacobaea maritima / Senecio cineraria), a Mediterranean species becoming naturalised on UK coasts, flowering on a cliff face, Widemouth Bay, Cornwall, UK, June.

Nick Upton / Silver ragwort / Dusty Miller (Jacobaea maritima / Senecio cineraria), a Mediterranean species becoming naturalised on UK coasts, flowering on a cliff face, Widemouth Bay, Cornwall, UK, June.

Nick Upton / Silver ragwort / Dusty Miller (Jacobaea maritima / Senecio cineraria), a Mediterranean species becoming naturalised on UK coasts, flowering on a cliff face, Widemouth Bay, Cornwall, UK, June.

Christophe Courteau / Yellow flowers (Senecio cineraria) outside Pointe des Poulains Lighthouse, Belle-Ile Island, Morbihan, Brittany, France.

Pete Oxford / Southern Elephant Seal (Mirounga leonina) female calling next to Dusty Miller (Senecio cinerarias) in the dunes, Sea Lion Island, Falkland Islands

Pete Oxford / Woolly Ragwort (Senecio littoralis) flowers, Keppel Island, Falkland Islands

Tim Fitzharris / Larkspur (Delphinium sp) and Broom Groundsel (Senecio spartioides) flowers, American Basin, Colorado

Tim Fitzharris / Sand Bluebonnet (Lupinus subcarnosus), Pointed Phlox (Phlox cuspidata), Prickly Poppy (Argemone albiflora), and Squaw-weed (Senecio aureus) flowers, Hill Country, Texas

Tim Fitzharris / Groundsel (Senecio sp) and Fireweed (Chamerion angustifolium) with Mt Belleview, Colorado