New species of the genus Caloplaca in Australia.
Nineteen species of the genus Caloplaca from Australia are described and illustrated: eight species (namely: C. bermaguiana, C. conranii, C. filsonii, C. gallowayi, C. kiamae, C. eos, C. tomareeana and C. whinrayi) mainly occur in coastal localities; further eight species (C. aliciae, C. astonii, C. australiensis, C. haematommona, C. marchantii, C. montisfracti, C. rheinigera, and C. streimannii)