Redinger (1938), Feddes Repertorium Specierum Novarum Regni Vegetabilis 43: 66 [comb. nov.]

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

• Distribution: WA, Extra-Aust.

P.McCarthy (Comp.) (2018), Checklist of the Lichens of Australia and its Island Territories: - ABRSL [secondary reference]

misapplication: Sclerophytonomyces circumscriptus (Taylor) P.James & Sparrius legitimate misapplication: Sclerophyton circumscriptum (Taylor) Zahlbr. legitimate misapplication: Peterjamesia circumscripta (Taylor) D.Hawksw. legitimate

• ABRSL Dist.: WA, LHI, Extra-Aust.

• Lichen tag: Oceanic Islands

Sipman, H.J.M. (2018), New species and new records of Australian lichens. Australasian Lichenology 82: 96 [secondary reference]

• Distribution: New: LHI

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