Jones, D.L. & Forster, P.I. (1 September 1994), Seven new species of Macrozamia section Parazamia (Miq.) Miq. (Zamiaceae section Parazamia) from Queensland. Austrobaileya 4(2): 275-276, Figs 3, 10B APC [tax. nov.]

• Type: Queensland. Burnett District: Mundubbera, Qld, 10 Jan 1992, P.I. Forster 9384B & P.Machin [male plant] (holo: BRI [3 sheets, carpological & spirit]; iso: CBG).

taxonomic synonym: Macrozamia sp. (Mundubbera P.I.Forster PIF4674) [n/a]

• APC Dist.: Qld

• Etymology: "The epithet derives from the Latin crassus, thick and folium, a leaf, inreference to the thick leaflets of the species."

Hill, K.D. in McCarthy, P.M. (ed.) (1998), Zamiaceae. Flora of Australia 48: 653, Map 594 [secondary reference]

Threatened Species and Communities Section, Biodiversity Group, Environment Australia (8 July 1998), Endangered Species Protection Act 1992. Schedules 1, 2 & 3: 23 [secondary reference]

Forster, P.I. (7 December 2022), Austrobaileya publication dates 1977–2022. Austrobaileya 12: 118 [secondary reference]

• Comment: Publication date corrected to 1 September 1994

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