(en) Weston, PH & Kooyman, RM, «Eidothea hardeniana- Botany and Ecology of the ‘Nightcap Oak'», Australian Plants, Australian Plants Society, vol.21, , p.339–342 (lire en ligne)
(en) Douglas, AW & Hyland, BPM H, Flora of Australia, vol.16: Eleagnaceae, Proteaceae 1, CSIRO Publishing / Australian Biological Resources Study, (ISBN0-643-05693-9), «Telopea», p.127–128
(en) Weston, PH & Kooyman, RM, «Systematics of Eidothea (Proteaceae), with the description of a new species, E. hardeniana, from the Nightcap Range, north-eastern New South Wales.», Telopea, vol.9, , p.821–832 (lire en ligne)
(en) Hoot, SB, and Douglas, AW, «Phylogeny of the Proteaceae based on atpB and atpB-rbcL intergenic spacer region sequences.», Australian Systematic Botany, vol.11, , p.301–320 (DOI10.1071/SB98027)