Connor, H.E. & Edgar, E. (1987), Name changes in the indigenous New Zealand Flora, 1960-1986 and Nomina Nova IV, 1983-1986. New Zealand Journal of Botany 25: 128 [comb. et stat. nov.]

basionym: Crassula sieberiana subsp. tetramera Toelken legitimate

Toelken, H.R. & Dashorst, G.R.M. (2002), The annual taxa of the Crassula sieberiana complex in South Australia. South Australian Naturalist 76(1/2): 11-13, Fig. 3 [secondary reference]

pro parte nomenclatural synonym: Crassula sieberiana subsp. tetramera Toelken legitimate

Council of Heads of Australasian Herbaria (2007), Australian Plant Census: - APC [secondary reference]

nomenclatural synonym: Crassula sieberana subsp. tetramera Toelken orth. var. nomenclatural synonym: Crassula sieberiana subsp. tetramera Toelken legitimate

• APC Dist.: WA, NT, SA, Qld, NSW, Vic, Tas

de Salas, M.F. & Baker, M.L. (2016), Tasmanian vascular plant census. A Census of the Vascular Plants of Tasmania, including Macquarie Island: 34 [secondary reference]

nomenclatural synonym: Crassula sieberiana subsp. tetramera Toelken legitimate

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