Mueller, F.J.H. von (February 1875), Fragmenta Phytographiae Australiae 9(72): 4 [tax. nov.]

• Type: "Inter rivum Albergam et montem Olgae; E. Giles."

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 103 [secondary reference]

Diels, F.L.E. & Pritzel, E.G. (6 December 1904), Fragmenta Phytographiae Australiae occidentalis. Beitrage zur Kenntnis der Pflanzen Westaustraliens, ihrer Verbreitung und ihrer Lebensverhaltnisse. Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 35(2-3): 505, Fig. 56 H, J [secondary reference]

Bailey, F.M. (1913), Comprehensive Catalogue of Queensland Plants: 381, Fig. 359 [secondary reference]

Black, J.M. (December 1926), Meliaceae - Scrophulariaceae. Flora of South Australia 3: 479-480 [secondary reference]

Domin, K. (September 1928), Beitrage zur Flora und Pflanzengeographie Australiens. Bibliotheca Botanica 22(89): 1107 [secondary reference]

Black, J.M. & Robertson, E.L. (1957), Flora of South Australia Edn. 2, 4: 721-722, Fig. 1031 [secondary reference]

Chippendale, G.M. (17 April 1972), Check List of Northern Territory Plants. Proceedings of the Linnean Society of New South Wales 96(4): 256 [secondary reference]

Munir, A.A. in Jessop, J.P. (ed.) (1981), Chloanthaceae. Flora of Central Australia: 303 [secondary reference]

Williams, K.A.W. (1984), Native Plants of Queensland 2: 208 [secondary reference]

Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 145 [secondary reference]

Rye, B.L. (31 July 1996), A taxonomic review of the genera Lachnostachys, Newcastelia and Physopsis (Chloanthaceae) in Western Australia. Nuytsia 11(1): 95-96, Fig. 4 (map) [secondary reference]

• Type: "Between Alberta River and Mt OLga, [South Australia], E. Giles (holo: MEL 41005)."

nomenclatural synonym: Newcastelia cephalantha F.Muell. var. cephalantha legitimate taxonomic synonym: Newcastelia cephalantha var. queenslandica Domin legitimate taxonomic synonym: Newcastelia cephalantha var. tephropepla Munir legitimate taxonomic synonym: Newcastelia cephalantha var. oblonga Munir legitimate

Williams, K.A.W. (1999), Native Plants of Queensland 4: 282 [secondary reference]

Forster, P.I. in Henderson, R.J.F. (ed.) (2002), Lamiaceae. Names and Distribution of Queensland Plants, Algae and Lichens: 95 [secondary reference]

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

orthographic variant: Newcastlia cephalantha F.Muell. orth. var. nomenclatural synonym: Newcastelia cephalantha F.Muell. var. cephalantha legitimate taxonomic synonym: Newcastlia cephalantha var. queenslandica Domin orth. var. taxonomic synonym: Newcastelia cephalantha var. queenslandica Domin legitimate taxonomic synonym: Newcastelia cephalantha var. tephropepla Munir legitimate taxonomic synonym: Newcastelia cephalantha var. oblonga Munir legitimate

• APC Comment: Newcastelia cephalantha var. cephalantha and var. N. cephalantha var. tephropepla are recognised as distinct taxa in SA.
• APC Dist.: WA, NT, SA, Qld

State Herbarium of South Australia (2007), Fact sheets. The Electronic Flora of South Australia: - [secondary reference]

Western Australian Herbarium (2007), FloraBase: the Western Australian Flora Version 2.5: - [secondary reference]

nomenclatural synonym: Newcastelia cephalantha F.Muell. var. cephalantha legitimate taxonomic synonym: Newcastelia cephalantha var. tephropepla Munir legitimate taxonomic synonym: Newcastelia cephalantha var. oblonga Munir legitimate

Council of Heads of Australasian Herbaria (29 September 2022), Australian Plant Census: - APC [secondary reference]

orthographic variant: Newcastlia cephalantha F.Muell. orth. var. nomenclatural synonym: Newcastelia cephalantha F.Muell. var. cephalantha legitimate taxonomic synonym: Newcastelia cephalantha var. queenslandica Domin legitimate taxonomic synonym: Newcastlia cephalantha var. queenslandica Domin orth. var. taxonomic synonym: Newcastelia cephalantha var. tephropepla Munir legitimate taxonomic synonym: Newcastelia cephalantha var. oblonga Munir legitimate

• APC Dist.: WA, NT, SA, Qld

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