Within the countries of Hungary,[REF] (within the Zemplén Mountains,[REF] near the village of Szendrőlád,[REF] and Nyírség,[REF][REF]), Slovakia (or Slovak Republic),[REF][REF][REF] Ukraine (within the Cherkassy region,[REF]),[REF] Moldova,[REF] Romania,[REF][REF][REF] (including Transylvania,[REF]) and Italy [REF].
It is listed in a checklist of Vascular Flora in Italy, with Iris albicans, Iris bicapitata, Iris foetidissima, Iris germanica, Iris marsica, Iris pallida, Iris planifolia, Iris pseudacorus, Iris pseudopumila, Iris relicta, Iris revoluta Iris setina, Iris sibirica and Iris xiphium [REF].