Proteaceae Juss.
Grevillea diffusa subsp. constablei Makinson , legitimate, scientific
Makinson, R.O. in Wilson, A.J.G. (ed.) (2000), Appendix: Grevillea. Flora of Australia 17A: 499 APC [tax. nov.]
  • Type: c. 1.5 miles [2.4 km] from waterfall on E side of line, N.S.W., 2 July 1959, T.M.Whaite 722; holo: NSW.
  • APC Dist.: NSW
  • Etymology: "Named for Ernest F. Constable (fl. 1950-1970), former plant and seed collector for the National Herbarium of New South Wales and Royal Botanic Gardens, Sydney."
Makinson, R.O. in Wilson, A.J.G. (ed.) (2000), Grevillea. Flora of Australia 17A: 216, Map 197 [secondary reference]