Iris arenaria is native to central and eastern Europe [REF].
It is found in Hungary,[REF][REF][REF] (including Kiskunság,[REF]) Austria,[REF][REF][REF][REF] Romania,[REF][REF][REF][REF] Czech Republic,[REF][REF][REF][REF][REF][REF] Slovakia,[REF][REF][REF] and Ukraine [REF].