SPITZER, Karel, JAROŠ, Josef. A unique guild of Lepidoptera associated with the glacial relict populations of Labrador tea (Ledum palustre Linnaeus, 1753) in Central European peatlands (Insecta: Lepidoptera). SHILAP Revista de Lepidopterologia. 2014, 42(166), 319-327. ISSN 0300-5267. E-ISSN 2340-4078.