Proteaceae Juss.
Grevillea synapheae subsp. synapheae 'broad-leaved form' , [n/a], phrase name
Olde, P.M. & Marriott, N.R. (30 December 1993), New species and taxonomic changes in Grevillea (Proteaceae: Grevilleoideae) from south-west Western Australia. Nuytsia 9(2): 257 [primary reference]
Council of Heads of Australasian Herbaria (2005), Australian Plant Census: - [taxonomic synonym]
taxonomic synonym of: Grevillea synapheae subsp. latiloba (Meisn.) Makinson legitimate