Nicolle, D. (6 December 2002), A revision of Eucalyptus series Calcicolae (Myrtaceae) from the south coast of Western Australia. Nuytsia 15(1): 71-74, Figs 1 (map), 2 [tax. nov.]

• Type: "Point Hillier, WSW of Denmark, 35°04'S, 117°09'E, Western Australia, 28 January 2001, D. Nicolle 3757 & M. French (holo: PERTH; iso: AD, CANB, MEL, NSW)."

• Etymology: "From the Latin unitus (join together) referring to this species linking E. calcicola subsp. calcicola and E. ligulata, both geographically and morphologically."

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

taxonomic synonym: Eucalyptus telenotia D.Nicolle manuscript name taxonomic synonym: Eucalyptus howensis D.Nicolle manuscript name taxonomic synonym: Eucalyptus sp. West Cape Howe (G.J.Keighery 10001) WA Herbarium [n/a] taxonomic synonym: Eucalyptus calcicola subsp. howensis D.Nicolle manuscript name taxonomic synonym: Eucalyptus unita D.Nicolle manuscript name

• APC Dist.: WA

French, M. & Nicolle, D. (2019), Eucalypts of Western Australia: The south-west coast and ranges: 306-307 [secondary reference]

common name: Warramurrup mallee [n/a]

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