Calcareous localities adjoining the Šumava Mts. chain. a. Habitat of the Czech Republic population of Aricia artaxerxes, short-sward calcareous grassland near Český Krumlov, South Bohemia. b. Calcareous localities adjoining the Šumava Mts. chain in the wider geographic context. Although numerous, all the localities represent small and relatively isolated patches within predominately acidic bedrock, and the majority of their summed area is forested. The closest contiguous limestone areas are the Northern Alps, situated to the south, and the Franconian Jura, situated to the west. Blue field and coloured dots: calcareous areas. Yellow dot: Čepičná Nature Reserve, Red dot: Vyšenské kopce National Nature Reserve.