Crayn, D.M., Hislop, M. & Puente-Lelièvre, C. (5 February 2020), A phylogenetic recircumscription of Styphelia (Ericaceae, Epacridoideae, Styphelieae). Australian Systematic Botany 33(2): 149 APC [nom. et stat. nov.]

replaced synonym: Leucopogon tamminensis var. australis E.Pritz. legitimate

• APC Dist.: WA

• Etymology: "From the Latin decussis (the number 10 in Latin, hence the crosswise intersection of two lines as in the Roman numeral X), a reference to the opposite leaves and short internodes of this species."

Percy-Bower, J.M. & Parker, C.M. (24 June 2021), Updates to Western Australia’s vascular plant census for 2020. Nuytsia 32: 14 [secondary reference]

nomenclatural synonym: Leucopogon tamminensis var. australis E.Pritz. legitimate

Hislop, M. & Nguyen, H.K. (2 December 2022), A taxonomic review of the Styphelia tamminensis subgroup (Ericaceae: Epacridoideae: Styphelieae). Nuytsia 33: 289 [secondary reference]

nomenclatural synonym: Leucopogon tamminensis var. australis E.Pritz. legitimate

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