Príspevok k poznaniu rodu Usnea (Parmeliaceae) na Slovensku V.: U. fulvoreagens, U. lapponica

Occurrences of two species of the genus Usnea, U. fulvoreagens and U. lapponica, are documented at 5 localities in central Slovakia (Vysoké Tatry Mts, Nízke Tatry Mts, Spiško-gemerský kras Karst, Veporské vrchy Mts). Chemical and morphological properties of particular specimens are discussed.