Mueller, F.J.H. von (1875), Fragmenta Phytographiae Australiae 9(77): 109 [tax. nov.]

• Type: "Prope origineni fluminis Clarence-River; Dr. H. Beckler."

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 11 [secondary reference]

Mueller, F.J.H. von (December 1889), Second Systematic Census of Australian Plants: 19 [secondary reference]

Engler, H.G.A. in Engler, H.G.A. & Prantl, K.A.E. (ed.) (March 1896), Rutaceae. Die Naturlichen Pflanzenfamilien III, 4(131-132): 141 [basionym]

basionym of: Phebalium beckleri (F.Muell.) Engl. legitimate

Dixon, W.A. (1906), The Plants of New South Wales: 48 [secondary reference]

Wilson, Paul G. (10 December 1970), A taxonomic revision of the genera Crowea, Eriostemon and Phebalium (Rutaceae). Nuytsia 1(1): 106 [secondary reference]

• Type: " "Prope origineni fluminis Clarence-River; Dr. H. Beckler." Holotypus: MEL 4589 "McLennan's Creek, Clarence River, Beckler". with the name Eriostemon Beckeri" written over the name "Eriostemon erosus"; iso.: NSW 69929."

• Etymology: "named after the collector H. Beckler."

Wilson, Paul G. (10 December 1970), A taxonomic revision of the genera Crowea, Eriostemon and Phebalium (Rutaceae). Nuytsia 1(1): 106 [basionym]

basionym of: Phebalium elatius subsp. beckleri (F.Muell.) Paul G.Wilson legitimate

Ross, E.M. in Stanley, T.D. & Ross, E.M. (1984), Rutaceae. Flora of South-eastern Queensland 1: 464 [nomenclatural synonym]

nomenclatural synonym of: Phebalium elatius subsp. beckleri (F.Muell.) Paul G.Wilson legitimate

Wilson, Paul G. (16 September 1998), New species and nomenclatural changes in Phebalium and related genera (Rutaceae). Nuytsia 12(2): 273 [basionym]

basionym of: Leionema elatius subsp. beckleri (F.Muell.) Paul G.Wilson legitimate

Council of Heads of Australasian Herbaria (2007), Australian Plant Census: - [nomenclatural synonym]

nomenclatural synonym of: Leionema elatius subsp. beckleri (F.Muell.) Paul G.Wilson legitimate

Wilson, Paul G. in Wilson, A.J.G. (ed.) (2013), Leionema. Flora of Australia 26: 437 [nomenclatural synonym]

nomenclatural synonym of: Leionema elatius subsp. beckleri (F.Muell.) Paul G.Wilson legitimate

Telford, I.R.H. & Bruhl, J.J. (16 December 2020), Morphological data indicate the subspecies of Leionema elatius (Rutaceae) are not conspecific and both should be treated as species. Telopea 23: 201 [secondary reference]

• Type: "New South Wales: McLennans Creek, Clarence River, H. Beckler; lecto (here designated): MEL 4589 (image seen); isolecto: NSW 69929 n.v."

Telford, I.R.H. & Bruhl, J.J. (16 December 2020), Morphological data indicate the subspecies of Leionema elatius (Rutaceae) are not conspecific and both should be treated as species. Telopea 23: 201 [basionym]

basionym of: Leionema beckleri (F.Muell.) I.Telford & J.J.Bruhl legitimate

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