Acharius, E. (1803), Methodus: 204 [comb. nov.]

Skult, H. (1987), Annales Botanici Fennici 24: 371-383 [secondary reference]

Elix, J.A. in Grgurinovic, C. A. (ed.) (1994), Parmelia. Flora of Australia 55: 122 [misapplied]

misapplied to: Parmelia signifera Nyl. legitimate by Skult, H. (1987), Annales Botanici Fennici 24: 371-383

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