Johnson, L.A.S. (17 September 1962), Studies in the taxonomy of Eucalyptus. Contributions from the New South Wales National Herbarium 3(3): 119 [comb. et stat. nov.]

basionym: Eucalyptus nubilis Maiden & Blakely legitimate

• Text: "The epithet was originally written nubilis, but this is clearly an unintentional error for nubila. Latin nubilus means 'dark or gloomy', reflected in Blakely's English name 'Dusky-leaved Ironbark', while nubilis means 'marriageable', inapplicable here. Mr H.K. Airy Shaw, of Kew, has expressed the view (in litt.) that 'nubilis' is an unintentional orthographic error which should be corrected."

Kleinig, D. & Brooker, M.I.H. (1977), Forest Tree Series 198: - [secondary reference]

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 158 [secondary reference]

nomenclatural synonym: Eucalyptus nubilis Maiden & Blakely legitimate taxonomic synonym: Eucalyptus siderophloia var. glauca H.Deane & Maiden legitimate

Ross, E.M. in Stanley, T.D. & Ross, E.M. (1986), Eucalyptus. Flora of South-eastern Queensland 2: 193, Fig. 29B [secondary reference]

nomenclatural synonym: Eucalyptus nubilis Maiden & Blakely legitimate taxonomic synonym: Eucalyptus siderophloia var. glauca H.Deane & Maiden legitimate common name: Blue Leaved Ironbark [n/a] common name: Dusky Leaved Ironbark [n/a]

Chippendale, G.M. in George, A.S. (ed.) (27 June 1988), Eucalyptus. Flora of Australia 19: 405, Fig. 104, Map 521 [secondary reference]

nomenclatural synonym: Eucalyptus nubilis Maiden & Blakely legitimate taxonomic synonym: Eucalyptus siderophloia var. glauca H.Deane & Maiden legitimate common name: Blue-leaved Ironbark [n/a]

Hill, K.D. in Harden, G.J. (ed.) (1991), Flora of New South Wales 2: 114 [nomenclatural synonym]

nomenclatural synonym of: Eucalyptus nubilis Maiden & Blakely legitimate

Brooker, M.I.H. & Kleinig, D.A. (1999), Field Guide to Eucalypts Edn. 2, 1 (South-eastern Australia): 226 [secondary reference]

Brooker, M.I.H., Connors, J.R. & Slee, A.V. (2000), EUCLID: Eucalypts of south-eastern Australia Edn. Revised: - [secondary reference]

common name: Blue-leaved ironbark [n/a]

Hill, K.D. in Harden, G.J. (ed.) (2002), Eucalyptus. Flora of New South Wales Revised Edition 2: 135 [nomenclatural synonym]

nomenclatural synonym of: Eucalyptus nubilis Maiden & Blakely legitimate

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

nomenclatural synonym: Eucalyptus nubilis Maiden & Blakely legitimate taxonomic synonym: Eucalyptus siderophloia var. glauca H.Deane & Maiden legitimate common name: Blue-leaved ironbark [n/a]

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

nomenclatural synonym: Eucalyptus nubilis Maiden & Blakely legitimate taxonomic synonym: Eucalyptus siderophloia var. glauca H.Deane & Maiden legitimate

• APC Dist.: Qld, NSW

Bean, A.R. (26 October 2009), Typification of some names in Eucalyptus (Myrtaceae), Part 1. Telopea 12(3): 312-313 [secondary reference]

• Text: "Johnson (1962) changed Maiden & Blakely's epithet from nubilis to nubila, claiming that the original spelling was "clearly an unintentional error for nubila. Latin nubilus means 'dark or gloomy', reflected in Blakely's English name 'Dusky-leaved Ironbark', while nubilis means 'marriageable', inapplicable here". He further wrote, "Mr H.K. Airy Shaw, of Kew, has expressed the view (in litt.) that 'nubilis' is an unintentional orthographic error which should be corrected." Maiden & Blakely did not comment on the etymology of their epithet, but because Blakely (1934) continued to use the same spelling, we can be sure nubilis was not an 'unintentional error'. Nor is it an orthographic error to be corrected (under Article 60), as nubilis is the correct feminine form of the Latin adjective nubilis meaning either 'marriageable' or, according to Stearn (1992: 453), 'ready for pollination'. The species epithet is not correctable under the Code, and the original spelling is restored here."

Council of Heads of Australasian Herbaria (2016), Australian Plant Census: - APC [secondary reference]

orthographic variant: Eucalyptus fibrosa subsp. nubila L.A.S.Johnson orth. var. nomenclatural synonym: Eucalyptus nubilis Maiden & Blakely legitimate taxonomic synonym: Eucalyptus siderophloia var. glauca H.Deane & Maiden legitimate taxonomic synonym: Eucalyptus nubila L.A.S.Johnson orth. var.

• APC Comment: See A.R.Bean, Telopea 12(3): 313 (2009) for a discussion of the spelling of the epithet "nubilis".
• APC Dist.: Qld, NSW

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