Otnyukova, Tatyana N., Nikolay V. Stepanov & John. A. Elix. Three new species of Parmeliaceae (Ascomycota) from Siberia. Mycotaxon 108: 249–256. 2009.

ABSTRACT: Cetrelia sayanensis, Myelochroa sibirica and M. sayanensis from Russia (West Sayan Mountains, southern Siberia) are described as new to science. All three species are characterized by the presence of capitate-pustulate or subpustulate soralia, as well as other morphological features and their respective secondary chemistries.

KEYWORDS: Cetrelia cetrarioides, Cetrelia chicitae, Cetrelia olivetorum, Cetrelia monachorum, Myelochroa metarevoluta, Myelochroa upretii