Roemer, J.J. & Schultes, J.A. (1817), Systema Vegetabilium Edn. 16, 1: 44 [nom. nov.]

replaced synonym: Protea divaricata Andrews nom. illeg., nom. superfl.

• Comment: R.Brown, Trans. Linn. Soc. 10: 218 (1811) refers Protea divaricata Andrews to Isopogon, with some doubt, but does not make the combination.

Domin, K. (1921), Beitrage zur Flora und Pflanzengeographie Australiens. Bibliotheca Botanica 22(89): 578 [secondary reference]

taxonomic synonym: Protea anethifolia Salisb. legitimate taxonomic synonym: Protea acufera Cav. legitimate taxonomic synonym: Isopogon anethifolius (Salisb.) Knight legitimate taxonomic synonym: Atylus anethifolius (Salisb.) Kuntze legitimate

Foreman, D.B. in McCarthy, P.M. (ed.) (1995), Isopogon. Flora of Australia 16: 223 [secondary reference]

• Text: "According to A.D.Chapman, Austral. Pl. Name Index D-J: 1680 (1991), this taxon is based on the illegitimate name Protea divaricata Andrews, which is possibly based on cultivated material from the Cape of Good Hope."

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