Proteaceae Juss.
Isopogon propinquus Sweet , nom. inval., nom. nud., scientific
Sweet, R. (1826), Sweet's Hortus Britannicus Edn. 1, 2: 490 [primary reference]
Foreman, D.B. in McCarthy, P.M. (ed.) (1995), Isopogon. Flora of Australia 16: 223 [secondary reference]
  • Text: "T: Nouvelle-Hollande, date and coll. unknown,, fide A.D.Chapman, Austral. Pl. Name Index 2: 1681 (1991); not located, nom. inval."
Council of Heads of Australasian Herbaria (31 July 2018), Australian Plant Census: - APC [secondary reference]
  • APC Comment: A name of uncertain application.