Pascal Pittorino / Common blue butterfly (Polyommatus icarus) male resting on Blue hound's tongue (Cynoglossum creticum) flower, Var, Provence, France, April.

Albert Lleal / Blue Hound's Tongue (Cynoglossum creticum) noxious pasture weed seed with hooks to enable dispersal

Paul Harcourt Davies / Cretan Houndstongue (Cynoglossum creticum) in flower, Akrotiri near Chania, Crete, April

Edwin Giesbers / Blue hound's-tongue (Cynoglossum creticum) flowers, Menorca, Balearic Islands, Spain, Europe

Albert Lleal / Blue Hound's Tongue (Cynoglossum creticum) hooked seed spines enabling animal dispersal of seeds, native to Mediterranean Basis a noxious pasture weed elsewhere, magnification 97x