Brown, R. (27 March 1810), Prodromus florae Novae Hollandiae et insulae Van-Diemen, exhibens characteres plantarum quas annis 1802-1805: 477 [tax. nov.]

• Type: "(J.! T.) v.v."

Bentham, G. (16 December 1868), Flora Australiensis 4: 555 [secondary reference]

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 99 [secondary reference]

Radlkofer, L.A.T. (1884), Ueber den systematischen werth der pollen-beschaffenheit bei den Acanthaceen. Sitzungsberichte der Mathematisch-Physikalischen Classe der Königlichen Bayerischen Akademie der Wissenschaften zu Munchen 13: 287, adnot. [basionym]

basionym of: Pseuderanthemum variabile (R.Br.) Radlk. legitimate

Kuntze, C.E.O. (5 November 1891), Revisio Generum Plantarum 2: 497 [basionym]

basionym of: Siphoneranthemum variabile (R.Br.) Kuntze legitimate

Dixon, W.A. (1906), The Plants of New South Wales: 230 [secondary reference]

Bailey, F.M. (1913), Comprehensive Catalogue of Queensland Plants: 374 [secondary reference]

Moore, S. le M. (1926), Capt. G. H. Wilkins's Groote Eylandt Plants. Journal of Botany, British and Foreign 64: 96 [basionym]

basionym of: Pseuderanthemum variabile (R.Br.) S.Moore isonym

Domin, K. (1929), Beitrage zur Flora und Pflanzengeographie Australiens. Bibliotheca Botanica 22(89): 1160 [nomenclatural synonym]

nomenclatural synonym of: Pseuderanthemum variabile (R.Br.) Radlk. legitimate

Specht, R.L. in Specht, R.L. & Mountford, C.P. (ed.) (August 1958), The Gymnospermae and Angiospermae collected on the Arnhem Land Expedition. Records of the American-Australian Scientific Expedition to Arnhem Land No. 3 Botany and Plant Ecology: 303 [nomenclatural synonym]

nomenclatural synonym of: Pseuderanthemum variabile (R.Br.) Radlk. legitimate

Stanley, T.D. in Stanley, T.D. & Ross, E.M. (1986), Acanthaceae. Flora of South-eastern Queensland 2: 454 [nomenclatural synonym]

nomenclatural synonym of: Pseuderanthemum variabile (R.Br.) Radlk. legitimate

Barker, R.M. (12 September 1986), A taxonomic revision of Australian Acanthaceae. Journal of the Adelaide Botanic Gardens 9: 147 [secondary reference]

• Type: "R. Brown s.n., s. dat. Port Jackson, (K p.p., MEL 601980, MEL 601981, BM: n.v.); lectotype to be chosen from among those specimens annotated by Brown as belonging to "E. variabile α"); R. Brown 16, 19.vii.1802, Keppel Bay (BM p.p., belonging to "E. variabile β"); R. Brown s.n., ix.1802, Shoalwater Bay (BM p.p., K p.p., belonging to "E. variabile δ"); R. Brown s.n., s. dat., Arnheim North Bay (Melville Bay) (BM p.p.) not annotated by Brown as belonging to any infraspecific group; possible syntypes: Banks & Solander collections from Bustard Bay, Bay of Inlets, Endeavour's River, Thirsty Sound, and in Java prope Anger Point (BM, n.v.)"

Barker, R.M. (12 September 1986), A taxonomic revision of Australian Acanthaceae. Journal of the Adelaide Botanic Gardens 9: 146 [nomenclatural synonym]

nomenclatural synonym of: Pseuderanthemum variabile (R.Br.) Radlk. legitimate

Council of Heads of Australasian Herbaria (2010), Australian Plant Census: - [nomenclatural synonym]

nomenclatural synonym of: Pseuderanthemum variabile (R.Br.) Radlk. legitimate

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