George, A.S. (25 January 1996), New taxa and a new infrageneric classification in Dryandra R.Br. (Proteaceae: Grevilleoideae). Nuytsia 10(3): 357 [tax. nov.]

• Type: SW of Cranbrook, Western Australia, 34 16'S, 116 59'E, 20 May 1995, A.S. George 17254 (holo: PERTH 04228499; iso: CANB, K, MEL, NSW, PERTH 04228502).

• Etymology: "The epithet is from the Latin retrorsus (turned backwards), in reference to the teeth and lobes of the floral leaves."

George, A.S. in Wilson, A.J.G. (ed.) (1999), Dryandra. Flora of Australia 17B: 297, Map 319 [secondary reference]

Mast, A.R. & Thiele, K.R. (26 February 2007), The transfer of Dryandra R.Br. to Banksia L.f. (Proteaceae). Australian Systematic Botany 20(1): 68 [basionym]

basionym of: Banksia mucronulata subsp. retrorsa (A.S.George) A.R.Mast & K.R.Thiele legitimate

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