Summary[edit] Description: Parmelia sulcata lichen growing on a tree trunk, together with other lichens and moss. Tarczownica bruzdkowana (Parmelia sulcata) rosnąca na pniu drzewa w towarzystwie innych porostów i mchów. Date: 20 May 2021, 16:05. Source: Parmelia sulcata. Author: hedera.baltica from Wrocław, Poland. Camera location51° 04′ 35.2″ N, 17° 01′ 32.89″ EView all coordinates using: OpenStreetMap 51.076445; 17.025804.