Blakely, W.F. (1934), A Key to the Eucalypts: 119 [tax. nov.]

• Type: "S.A.– Minnipa, Eyre''s Peninsula (W.J. Spafford, May 1916, the type)"

Black, J.M. (1952), Flora of South Australia Edn. 2, 3: 629 [secondary reference]

taxonomic synonym: Eucalyptus incrassata var. protrusa J.M.Black legitimate

Eichler, Hj. (1965), Supplement to J.M.Black's Flora of South Australia (Second Edition, 1943-1957): 240 [taxonomic synonym]

taxonomic synonym of: Eucalyptus brachycalyx var. protrusa (J.M.Black) H.Eichler legitimate

Chippendale, G.M. in George, A.S. (ed.) (27 June 1988), Eucalyptus. Flora of Australia 19: 296 [taxonomic synonym]

taxonomic synonym of: Eucalyptus brachycalyx Blakely legitimate

Centre for Plant Biodiversity Research (2006), EUCLID Edn. 3: - [taxonomic synonym]

taxonomic synonym of: Eucalyptus brachycalyx Blakely legitimate

Council of Heads of Australasian Herbaria (2006), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Eucalyptus brachycalyx Blakely legitimate

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