Fensham, R.J., Beveridge, J.A. & Forster, P.I. (23 August 2019), Brachychiton guymeri J.A.Bever., Fensham & P.I.Forst. (Sterculiaceae), a new species from north Queensland. Austrobaileya 10(3): 446, 448-451, Figs 2-4 [tax. nov.]

• Type: "Queensland. SOUTH KENNEDY DISTRICT: Exmoor, 6 June 1996, P.I. Forster PIF19190 & M.C. Tucker (holo: BRI [AQ0603172 comprising 3 sheets, carpological and spirit samples]; iso: CNS, K, L, MEL, NSW distribuendi)."

taxonomic synonym: Brachychiton sp. (Blackwall Range R.J.Fensham 971) [n/a]

• Etymology: "Named for Dr Gordon Paul Guymer, author of the seminal work on the genus and Director of the Queensland Herbarium since 1991."

Brown, G.K. & Bostock, P.D. (December 2019), Appendix A: New names and name and status changes 2018 to 2019. Introduction to the Census of the Queensland Flora 2019: 13 [secondary reference]

taxonomic synonym: Brachychiton sp. (Blackwall Range R.J.Fensham 971) [n/a]

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

taxonomic synonym: Brachychiton sp. (Blackwall Range R.J.Fensham 971) [n/a] taxonomic synonym: Brachychiton sp. Blackwall Range (R.J.Fensham 971) Qld Herbarium [n/a]

• APC Dist.: Qld

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