Darb. (1923), British Antarctic Expedition 1910. Natural History Report. Botany 3; Lichens  3: 48 [comb. nov.]

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

• ABRSL Dist.: HI, Extra-Aust.

• Comment: [Doubtful species, see Fryday & Kantvilas (2012)], which says in Australia Rhizocarpon nidificum (Hue) Darb. is reported only from Heard Island, and is excluded because the name is of uncertain application and in need of critical re-evaluation.
• Lichen tag: Oceanic Islands

P.McCarthy (Comp.) (2020), Checklist of the Lichens of Australia and its Island Territories: - ABRSL [secondary reference]

---