Brooker, M.I.H. & Hopper, S.D. (20 December 1991), A taxonomic revision of Eucalyptus wandoo, E. redunca and allied species (Eucalyptus series Levispermae Maiden - Myrtaceae) in Western Australia. Nuytsia 8(1): 118-121, Figs 63 (and map), 64 APC [tax. nov.]

• Type: 0.7 km south of rail crossing, south of Norseman, 32°32''S 121°36''E, Western Australia, 12 Feb. 1985, M.I.H.Brooker 8841 (holo: PERTH; iso: CANB, MEL, NSW).

• APC Dist.: WA

• Etymology: "The specific epithet refers to the narrow leaves (Latin subtilis, fine, slender)."

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

common name: Narrow leaved 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): 103 [secondary reference]

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

Percy-Bower, J.M. & Parker, C.M. (24 June 2021), Updates to Western Australia’s vascular plant census for 2020. Nuytsia 32: 10 [secondary reference]

taxonomic synonym: Eucalyptus microschema Brooker & Hopper legitimate

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