George, A.S. (1968), Additions to the flora of Western Australia: ten miscellaneous new species. Journal of the Royal Society of Western Australia 50(4): 103, Fig. 3C [tax. nov.]

• Type: "Cowcowing, S.B. Rosier 27, Aug. 1959."

Munir, A.A. (21 December 1979), A taxonomic revision of the genus Pityrodia (Chloanthaceae). Journal of the Adelaide Botanic Gardens 2(1): 38-41, Fig. 11, Map 4A [secondary reference]

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

Hopper, S.D., van Leeuwen, S.J., Brown, A.P. & Patrick, S.J. (1990), Western Australia's Endangered Flora: 118, 127 [secondary reference]

Threatened Species and Communities Section, Biodiversity Group, Environment Australia (8 July 1998), Endangered Species Protection Act 1992. Schedules 1, 2 & 3: 10 [secondary reference]

Paczkowska, G. & Chapman, A.R. (2000), The Western Australian Flora, a descriptive catalogue: 214 APC [secondary reference]

• APC Dist.: WA

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

Shepherd, K.A., Perkins, A., Collins, J., Byrne, M. & Thiele K.R. (12 April 2013), Morphological and molecular evidence supports the recognition of a new subspecies of the critically endangered Pityrodia scabra (Lamiaceae). Australian Systematic Botany 26(1): 7-8 [secondary reference]

• Type: WESTERN AUSTRALIA: Cowcowing [precise locality withheld], S.B. Rosier 27.v.1958 (holo: PERTH 01088033; iso: K n.v., MEL, PERTH 01088041).

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