Candolle, A.P. de in Candolle, A.P. de (ed.) (1838), Compositae. Prodromus Systematis Naturalis Regni Vegetabilis 6: 155 [tax. nov.]

• Type: "In Nova-Hollandia (Endl.!), in collibus petrosis ad Two-fold-Bay lat. 37° decembr. flor. (Cunn.!)."

Bentham, G. (5 January 1867), Orders XLVIII. Myrtaceae- LXII. Compositae. Flora Australiensis 3: 632 [taxonomic synonym]

taxonomic synonym of: Helichrysum obcordatum var. majus Benth. legitimate

Burbidge, N.T. (1958), A monographic study of Helichrysum Subgenus Ozothamnus (Compositae) and of two related genera formerly included therein. Australian Journal of Botany 6(3): 257 [secondary reference]

• Lectotype: "Twofold Bay, A. Cunningham (G-DC) (isotype KEW)."

Burbidge, N.T. (1958), A monographic study of Helichrysum Subgenus Ozothamnus (Compositae) and of two related genera formerly included therein. Australian Journal of Botany 6(3): 257 [taxonomic synonym]

taxonomic synonym of: Helichrysum obcordatum subsp. majus (Benth.) N.T.Burb. legitimate

Puttock, C.F. in Walsh, N.G. & Entwisle, T.J. (ed.) (1999), Ozothamnus. Flora of Victoria 4: 734 [taxonomic synonym]

taxonomic synonym of: Ozothamnus obcordatus DC. legitimate

Orchard, A.E. (28 October 2004), A revision of Cassinia (Asteraceae: Gnaphalieae) in Australia. 1. Introduction and generic/infrageneric considerations. Australian Systematic Botany 17(5): 480 [taxonomic synonym]

taxonomic synonym of: Ozothamnus obcordatus DC. legitimate

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

taxonomic synonym of: Ozothamnus obcordatus DC. legitimate

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