| Placodium castellanum Räsänen | ISOTYPE | O-L-000044 | Click on image for full size (36 MPx)
| Protolog: , : 598 ()
| | Locality: RUSSIA, KARELIA LADOGENENSIS: Sortavala, Valamo, Niikkana, 1939.07.06, Räsänen, V.
| Currently accepted name: Caloplaca castellana (Räsänen) Poelt
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