royal fern, flowering fern (Osmunda regalis)

Osmunda regalis is a species in the Osmunda genus. It is commonly known as royal fern, flowering fern This name is accepted name for the species in the family Osmundaceae . . This species is found in Albania, Algeria, Azores, Belgium, Bulgaria, Cape Verde, Corse, Czechoslovakia, Denmark, France, Germany, Great Britain, Greece, Hungary, Iran, Ireland, Italy, Kriti, Lebanon-Syria, Morocco, Netherlands, North Caucasus, Norway, Palestine, Poland, Portugal, Sardegna, Sicilia, Spain, Sweden, Switzerland, Transcaucasus, Tunisia, Turkey, Turkey-in-Europe, Yugoslavia.