Bentham, G. (5 January 1867), Orders XLVIII. Myrtaceae- LXII. Compositae. Flora Australiensis 3: 234 [tax. nov.]

• Type: "W. Australia. Salt River, Maxwell."

Diels, F.L.E. & Pritzel, E.G. (6 December 1904), Fragmenta Phytographiae Australiae occidentalis. Beitrage zur Kenntnis der Pflanzen Westaustraliens, ihrer Verbreitung und ihrer Lebensverhaltnisse. Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 35(2-3): 441 [secondary reference]

Maiden, J.H. (1918), A Critical Revision of the Genus Eucalyptus 4(5): 116-117, pl. 145 [secondary reference]

Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 123 [secondary reference]

Chippendale, G.M. in George, A.S. (ed.) (27 June 1988), Eucalyptus. Flora of Australia 19: 218, Fig. 70E-F, Map 226 [secondary reference]

common name: Open-fruited Mallee [n/a]

Hill, K.D. & Johnson, L.A.S. (1 March 1991), Systematic studies in the eucalypts — 3. New taxa and combinations in Eucalyptus (Myrtaceae). Telopea 4(2): 217 [secondary reference]

Robson, Peter J. (1993), Checklist of Australian Trees: alphabetical listings of common and scientific names: - [secondary reference]

common name: Open fruited Mallee [n/a]

Brooker, M.I.H. (28 February 2000), A new classification of the genus Eucalyptus L'Her. (Myrtaceae). Australian Systematic Botany 13(1): 101 APC [secondary reference]

• APC Dist.: WA

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

French, M. & Nicolle, D. (2019), Eucalypts of Western Australia: The south-west coast and ranges: 90-91 [secondary reference]

common name: open-fruited mallee [n/a] common name: prickly-fruited mallee [n/a]

• Etymology: "From the Latin annulatus (having a ring), referring to the staminal ring (operculum scar) on the fruits."

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