Vondrák J 2010: Selected exsiccates of Caloplaca, Fasc. 2 (Nos 26-50).. - Fritschiana67: 1-10. [RLL Suppl.] Abstract: Fascicle 2 of 'Selected exsiccates of Caloplaca' comprises 25 collections of lichens from the following countries: Australia, Austria, Bulgaria, Croatia, Czech Republic, Greece, Hungary, Iran, Romania, Russia, Spain, Turkey, and Ukraine. Isotypes of Caloplaca communis and Caloplaca concreticola and topotype material of Caloplaca albopustulata and Caloplaca borysthenica are distributed.