Johnson, L.A.S. (14 November 1972), New species and subspecies of Casuarina in Western Australia. Nuytsia 1(3): 261-262 [tax. nov.]

• Type: "Holotypus (female): c. 40 km SSE. of Caiguna (c. 3.2 km in from sea), W.A., 2-3 m, very arching and drooping, no male seen, on limestone plain with mallee and scrub, 1.ix.1967, L.A.S. Johnson 2155, NSW 132432, isotypo in PERTH ponendo."

• Etymology: "Greek: skleros = hard, klados = branch"

Johnson, L.A.S. (23 December 1982), Notes on Casuarinaceae II. Journal of the Adelaide Botanic Gardens 6(1): 78 [basionym]

basionym of: Allocasuarina scleroclada (L.A.S.Johnson) L.A.S.Johnson legitimate

Wilson, K.L. & Johnson, L.A.S. in George, A.S. (ed.) (1989), Casuarinaceae. Flora of Australia 3: 136 [nomenclatural synonym]

nomenclatural synonym of: Allocasuarina scleroclada (L.A.S.Johnson) L.A.S.Johnson legitimate

Wege, J.A. (5 December 2007), Allocasuarina hystricosa (Casuarinaceae) : a new species from south-west Western Australia, with notes on related species. Nuytsia 17: 407 [nomenclatural synonym]

nomenclatural synonym of: Allocasuarina scleroclada (L.A.S.Johnson) L.A.S.Johnson legitimate

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