Degel. (1941), Göteborgs K[ungl]. Vetenskaps- och Vitterhets Samhälles Handlingar. Series B, Matematiska och Naturvetenskapliga Skrifter 1(7): 33 [tax. nov.]

Hale (1974), Phytologia 28: 338 [basionym]

basionym of: Parmotrema robustum (Degel.) Hale legitimate

P.McCarthy (Comp.) (2016), Checklist of the Lichens of Australia and its Island Territories: - [secondary reference]

P.McCarthy (Comp.) (2016), Checklist of the Lichens of Australia and its Island Territories: - [nomenclatural synonym]

nomenclatural synonym of: Parmotrema robustum (Degel.) Hale legitimate

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