Nomenclature, taxonomy and distribution of Crataegus lindmanii

The nomenclature of Crataegus lindmanii Hrab.-Uhr. is overviewed and clarified. A new combination (Crataegus lindmanii Hrab.-Uhr. var. ronnigeri (K. Malý) Kerényi-Nagy) is done and a new variety (Crataegus lindmanii var. jodalii) is described with new localities of in Hungary (Visegrád, Mt Ágas) and in Serbia (Fruška Gora, Krušedol near Vrdnik / Фрушка Гора, Крушедол, Врдник; Stara Planina Mts, Basara-Vidlič / Стара планина, Ьасара-Видлич). Determination key for infraspecific taxa, comparison of the taxa, a draft and distribution map of the species in Europe and in the Carpathian Basin are also given