Melville, R. (1967), Contributions to the Flora of Australia: VII. Generic delimitation in the Plagianthus complex. Kew Bulletin 20(3): 514 [comb. nov.]

basionym: Plagianthus densiflorus Baker f. legitimate

Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 113 [secondary reference]

Lander, N.S. (22 January 1985), Revision of the Australian genus Lawrencia Hook. (Malvaceae: Malveae). Nuytsia 5(2): 239-242, Figs 1A-C, 6, Map 6 [secondary reference]

nomenclatural synonym: Plagianthus densiflorus Baker f. legitimate taxonomic synonym: Plagianthus gardneri Blackall & Grieve manuscript name

• Etymology: "The specific epithet draws attention to the dense inflorescences often observed in this species."

Council of Heads of Australasian Herbaria (2012), Australian Plant Census: - APC [secondary reference]

nomenclatural synonym: Plagianthus densiflorus Baker f. legitimate taxonomic synonym: Plagianthus gardneri Blackall & Grieve manuscript name

• APC Dist.: WA

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