Rule, K. (1 July 2008), A new species and a new combination in the shining peppermint group of Eucalyptus and notes on the distribution of Eucalyptus willisii sens. strict. Muelleria 26(2): 94-95, Fig. 2 [comb. et stat. nov.]

basionym: Eucalyptus willisii subsp. falciformis Newnham, Ladiges & Whiffin legitimate

Council of Heads of Australasian Herbaria (2009), Australian Plant Census: - APC [secondary reference]

nomenclatural synonym: Eucalyptus willisii subsp. falciformis Newnham, Ladiges & Whiffin legitimate pro parte misapplication: Eucalyptus virgata Sieber ex Spreng. legitimate by Bentham, G. (5 January 1867), Orders XLVIII. Myrtaceae- LXII. Compositae. Flora Australiensis 3: 202 pro parte misapplication: Eucalyptus amygdalina Labill. legitimate by Tate, R. (1890), A Handbook of the Flora of Extratropical South Australia: 94 pro parte misapplication: Eucalyptus willisii Ladiges, Humphries & Brooker subsp. willisii legitimate by Newnham, M.R., Ladiges, P.Y. & Whiffin, T.P. (1986), Origin of the Grampians Shining Peppermint - a new subspecies of Eucalyptus willisii Ladiges, Humphries & Brooker. Australian Journal of Botany 34(3): 348 misapplication: Eucalyptus x vitrea R.T.Baker legitimate by Black, J.M. (1952), Flora of South Australia Edn. 2, 3: 617, Fig. 820 misapplication: Eucalyptus nitida Hook.f. legitimate by Boomsma, C.D. (1981), Native Trees of South Australia Edn. 2: 200 misapplication: Eucalyptus aff. willisii (South-western Victoria) [n/a] by Ross, J.H. & Walsh, N.G. (June 2003), A Census of the Vascular Plants of Victoria Edn. 7: 96

• APC Dist.: SA, Vic

Nicolle, D. (2013), Native eucalypts of South Australia: 216-217 [secondary reference]

common name: Grampians Peppermint [n/a] common name: Western Peppermint [n/a]

• Etymology: From the Latin falcis meaning 'sickle' and forma meaning 'shape', refering to its falcate (sickle-shaped or slightly curved) juvenile leaves.

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