Amaranthaceae Juss.
Ptilotus royceanus Benl , legitimate, scientific
Benl, G. (17 December 1970), Two xerophytic new species of Ptilotus (Amaranthaceae) from Western Australia. Journal of the Royal Society of Western Australia 53(1): 1-4, Figs 1, 2 [tax. nov.]
  • Type: "Bungabiddy Rockhole, Walter James Range, W.A. (128°44′ E, 24°40′ S) A.S. George No. 8314, 5.X.1966 ("Much-branched perennial herb to 50 cm, growing on rock walls. Fls. pale pink.") – PERTH. Isotypes: CANB, K, M, MEL, PERTH."
Chippendale, G.M. (17 April 1972), Check List of Northern Territory Plants. Proceedings of the Linnean Society of New South Wales 96(4): 266 BHL [secondary reference]
Anonymous (1974), Annual Report for 1973/74. Annual Report of the Botany Branch and the Queensland Herbarium: 12 [secondary reference]
Benl, G. in Jessop, J.P. (ed.) (1981), Ptilotus. Flora of Central Australia: 78 [secondary reference]
Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 73 [secondary reference]
Dunlop, C.R. (1987), Checklist of the Vascular Plants of the Northern Territory. Technical Report: Conservation Commission of the Northern Territory 26: 6 [secondary reference]
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]
Western Australian Herbarium (2007), FloraBase: the Western Australian Flora Version 2.5: - APC [secondary reference]
  • APC Dist.: WA, NT
Bean, A.R. (11 November 2008), A synopsis of Ptilotus (Amaranthaceae) in eastern Australia. Telopea 12(2): 246 [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): 635-636, Figs 1-2, Map 1 [secondary reference]
  • Type: "Western Australia. Bungabiddy Rockhole, Walter James Range, 5 October 1966, A.S. George 8314 (holo: PERTH 01139363; iso: B 100272695 i.d.v., CANB 251193 i.d.v., K 000357017 i.d.v., M 0241502 i.d.v., MEL 2279190 i.d.v., NSW 821275 i.d.v., PERTH 01139371, RSA 0000623 i.d.v.)."