Bentham, G. (1834), Labiatarum Genera et Species 5: 452 [tax. nov.]

• Type: "Ad King George's Sound, Baxter (v.s. sp. in Herb. Hooker)"

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 101 [secondary reference]

Tate, R. (1890), A Handbook of the Flora of Extratropical South Australia: 151 [secondary reference]

Blackall, W.E. & Grieve, B.J. (1965), How to know Western Australian wildflowers: a key to the flora of the temperate regions of Western Australia 3: 593 [secondary reference]

Althofer, G.W. (June 1978), Cradle of Incense: The Story of Australian Prostanthera: 154, 158-160, 162, 172 [secondary reference]

• Etymology: "after Baxter"

Blackall, W.E. & Grieve, B.J. (1981), How to know Western Australian wildflowers: a key to the flora of the extratropical regions of Western Australia Edn. 2, 3B: 451 [secondary reference]

Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 147 [secondary reference]

Conn, B.J. (23 December 1988), A taxonomic revision of Prostanthera Labill. Section Prostanthera (Labiatae). 1. The species of the Northern Territory, South Australia and Western Australia. Nuytsia 6(3): 371-373, Figs 4a, 14 (map) [secondary reference]

• Lectotype: "Baxter s.n., anno 1829, `somewhere on the S^o. Coast of Aust^a.' [King George's Sound' (Bentham 1834, p. 452)] [Western Australia] (lecto: K – upper right specimen)."

taxonomic synonym: Prostanthera baxteri var. crassifolia Benth. legitimate

Paczkowska, G. & Chapman, A.R. (2000), The Western Australian Flora, a descriptive catalogue: 275 [secondary reference]

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

taxonomic synonym: Prostanthera baxteri var. crassifolia Benth. legitimate

Council of Heads of Australasian Herbaria (2010), Australian Plant Census: - APC [secondary reference]

nomenclatural synonym: Prostanthera baxteri A.Cunn. ex Benth. var. baxteri legitimate taxonomic synonym: Prostanthera baxteri var. crassifolia Benth. legitimate

• APC Dist.: WA

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

misapplied to: Prostanthera sericea (J.M.Black) B.J.Conn legitimate by Tate, R. (1890), A Handbook of the Flora of Extratropical South Australia: 151

Council of Heads of Australasian Herbaria (2010), Australian Plant Census: - [pro parte misapplied]

pro parte misapplied to: Prostanthera althoferi subsp. longifolia B.J.Conn legitimate by Althofer, G.W. (June 1978), Cradle of Incense: The Story of Australian Prostanthera: 154, 158-160, 162, 172

Council of Heads of Australasian Herbaria (2010), Australian Plant Census: - [pro parte misapplied]

pro parte misapplied to: Prostanthera althoferi B.J.Conn legitimate by Blackall, W.E. & Grieve, B.J. (1965), How to know Western Australian wildflowers: a key to the flora of the temperate regions of Western Australia 3: 593

[pro parte misapplied]

pro parte misapplied to: Prostanthera althoferi B.J.Conn legitimate by Blackall, W.E. & Grieve, B.J. (1981), How to know Western Australian wildflowers: a key to the flora of the extratropical regions of Western Australia Edn. 2, 3B: 451

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