Benl, G. (2 April 1979), Two new taxa of Ptilotus (Amaranthaceae). Journal of the Adelaide Botanic Gardens 1(4): 201-204, Figs 1, 2 APC [tax. nov.]

• Type: "Queensland; Mt. Isa, City Lookout, ca 570 m alt.; coll. Benl (Aau 64) & Maconochie, 8.iii.1978 (holotypus M; isotypi AD, ADW, B, BM, BRI, CANB, DNA, K, M, MEL, NSW, NT, NY, P, PERTH)."

• APC Dist.: Qld

Thomas, M.B. & McDonald, W.J.F. (1987), Rare and threatened plants of Queensland: a checklist of geographically restricted, poorly collected and/or threatened vascular plant species Edn. 1: 15 [secondary reference]

Thomas, M.B. & McDonald, W.J.F. (1989), Rare and threatened plants of Queensland: a checklist of geographically restricted, poorly collected and/or threatened vascular plant species Edn. 2: 16 [secondary reference]

Bean, A.R. (11 November 2008), A synopsis of Ptilotus (Amaranthaceae) in eastern Australia. Telopea 12(2): 239 [secondary reference]

Hammer, T.A., Davis, R.W. & Thiele, K.R. (20 April 2020), Clarification of species boundaries within the Ptilotus royceanus Benl (Amaranthaceae) group. Austrobaileya 10(4): 633-635, Fig 5-6, Map 1 [secondary reference]

• Type: "Queensland. BURKE DISTRICT: Mt Isa, 8 March 1976, G. Benl Au64 & J.R. Maconochie (holo: M 0241487 i.d.v.; iso: AD 97904169 i.d.v., B 100272696 i.d.v., BM 000895592 i.d.v., BRI [AQ0332686] i.d.v., CANB 353258 i.d.v., DNA D0013856 i.d.v., G 00236989 i.d.v., K 000357022 i.d.v., M 0241488 i.d.v., MEL 538277 i.d.v., NSW 821430 i.d.v., NY 00341969 i.d.v., P 00609980 i.d.v., PERTH 01558218)."

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