dcsimg
Natural History Museum, University of Oslo, Norway. Siri Rui. Year: 2014.   cc-by-nc

Postia caesia is a species of Fungi in the family bracket polypores.

EOL has data for one attribute:

Known occurrences, collected specimens and observations of Postia caesia (Schrad.) P. Karst. 1881. View this species on GBIF