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A contribution to the knowledge on the distribution of stenoendemic Iris adriatica Trinajstić ex Mitić (Iridaceae) in Croatia

First records of this dwarfed iris in Croatia date from the 19th century, when it was regarded as Iris pumila. After detailed taxonomical research in recent times, Croatian populations of I. pumila have gained a status of a separate species, named Iris adriatica Trinajstić ex Mitić. Most known findings of I. adriatica occur in the Northern and Middle Dalmatia, especially in the surroundings of Šibenik and on the islands of Šibenik archipelago. Until now, I. adriatica was generally considered a strictly Dalmatian species, with the northernmost locality on the island Vir. Fieldwork conducted during March 2014 resulted with the discovery of new populations. One new population was discovered in National Park Krka, which is the third known locality in the Park. Also, a new locality of I. adriatica was discovered on the island Cres, which is the northernmost known record, and the first record outside Dalmatia. The results of this study indicate that the areal of I. adriatica is wider than previously thought. It is possible that the species is sometimes overlooked in the field, due to relatively indistinctive appearance (very short plant with small, mostly pale yellow flowers) and early bloom (March and April).

New locality; Iris adriatica; flora

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