Ossowska, E., Guzow-Krzemińska, B., Dudek, M., Oset, M. & Kukwa, M. (2018)

Evaluation of diagnostic chemical and morphological characters in five Parmelia species (Parmeliaceae, lichenized Ascomycota) with special emphasis on the thallus pruinosity

. Phytotaxa 383 (2): 165–180. https://doi.org/10.11646/phytotaxa.383.2.3