(Blackstonia perfoliata)

Blackstonia perfoliata is a species in the Blackstonia genus. This name is accepted name for the species in the family Gentianaceae tribe Chironieae, subtribe Chironiinae, . . This species is found in Albania, Algeria, Austria, Baleares, Belgium, Bulgaria, Corse, Cyprus, Czechoslovakia, East Aegean Is., France, Germany, Great Britain, Greece, Hungary, Iraq, Ireland, Italy, Kriti, Krym, Lebanon-Syria, Morocco, Netherlands, Palestine, Portugal, Sardegna, Sicilia, Sinai, Spain, Switzerland, Tunisia, Turkey, Turkey-in-Europe, Yugoslavia.