Wilson, P.G., Short, P.S. & Orchard, A.E. (16 April 1992), Some nomenclatural changes in the Angianthinae and Cassiniinae (Asteraceae: Gnaphalieae). Muelleria 7(4): 520 [comb. nov.]

basionym: Helichrysum semicalvum F.Muell. legitimate taxonomic synonym: Helichrysum ambiguum Turcz. nom. illeg. taxonomic synonym: Leptorhynchos ambiguus (Turcz.) Benth. legitimate taxonomic synonym: Leptorhynchos ambiguus var. semicalvus (F.Muell.) Benth. nom. illeg. taxonomic synonym: Helichrysum ambiguum var. paucisetum J.M.Black legitimate taxonomic synonym: Helichrysum ambiguum Turcz. var. ambiguum legitimate taxonomic synonym: Helichrysum ambiguum Turcz. subsp. ambiguum legitimate taxonomic synonym: Chrysocephalum ambiguum (Turcz.) Anderb. legitimate

Wilson, Paul G. (8 January 2001), Leiocarpa, a new Australian genus of the Asteraceae tribe Gnaphalieae. Nuytsia 13(3): 602 [secondary reference]

• Lectotype: MacDonnell Range, [Northern Territory], J.M. Stuart, (lecto: MEL 108093, here designated).

Wilson, Paul G. (8 January 2001), Leiocarpa, a new Australian genus of the Asteraceae tribe Gnaphalieae. Nuytsia 13(3): 602 [nomenclatural synonym]

nomenclatural synonym of: Leiocarpa semicalva (F.Muell.) Paul G.Wilson legitimate

Moore, P. (2005), A guide to plants of inland Australia: 115 (photo, map) [secondary reference]

taxonomic synonym: Helichrysum ambiguum Turcz. nom. illeg. taxonomic synonym: Leptorhynchos ambiguus (Turcz.) Benth. legitimate common name: Hill Everlasting [n/a]

Council of Heads of Australasian Herbaria (2011), Australian Plant Census: - [nomenclatural synonym]

nomenclatural synonym of: Leiocarpa semicalva (F.Muell.) Paul G.Wilson legitimate

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