Austroplaca johnstonii (C. W. Dodge) Søchting, Frödén & Arup

Nordic J. Bot. 31, 1: 37 (2013).

Basionym: Blastenia johnstonii C.W. Dodge [as 'johnstoni'], B.A.N.Z. Antarct. Res. Exped. Rep., Ser. B 7: 223 (1948).