Following the work of Tatár (1939), no new revised and detailed list was made of endemic plants of the Pannonicum phytogeographical region, which takes into account the latest research results. A survey of vascular plants endemic and subendemic to the Pannonicum is presented here based on a critical revision of published and sometimes unpublished data on contemporary taxonomic and chorological knowledge. For this, it was necessary to review the delineation of Pannonicum and the problem of drawing the boundaries. I would also like to draw the attention to the Pannonian flora islands outside the Carpathians, which descend along the sandy alluvium of the Danube. The research covers 11 countries: Austria, Croatia, the Czech Republic, Hungary, Romania,Serbia, Slovakia, Slovenia and a small part of Bosnia and Herzegovina, Ukraine and Bulgaria (flora islands). The final evaluation of endemic status was made for 225 taxa of vascular plants, including 143 taxa confirmed as endemic or subendemic to the Pannonicum, 5 narrowly distributed taxa shared endemic of the Pannonicum and western part of the Carpaticum and 77 taxa are not endemic according to current taxonomic and phytogeographical knowledge (the list does not include hybrids). The final list of endemic and subendemic taxa includes 42 species, 29 subspecies and 73 apomictic species (including 47 taxa of Sorbus and 23 taxa of Taraxacum). Tatár mentions 55 taxa (without apomicts) of which only 29 (53) are still considered endemic today. In terms of habitat preferences for (sub)endemic taxa most plants (excluding apomictic taxa) occur in rocky or sandy habitats.
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