Lichens on the bark of Populus x canadensis in Las Bemowski, Poland

描述：

Description: English: Epixylic lichens, probably Xanthoria parietina on the bark of Populus candensis; photo taken on the upper crown layer branch cut to the ground. Polski: Plechy porostów, prawd. Xanthoria parietina, na gałezi ściętej z górnej partii korony topoli kanadyjskiej. Date: 11 February 2016, 10:57:36. Source: Own work. Author: Piotr Mędrzycki, Ekoloaby.net. Camera location52° 16′ 52.32″ N, 20° 53′ 46.68″ E View all coordinates using: OpenStreetMap 52.281200; 20.896300.