Obbens, F.J. (21 August 2014), Calandrinia butcherensis and C. rubrisabulosa (Portulaceae), new species from the Midwest of Western Australia. Nuytsia 24: 210-213, Figs 3 (map), 4 APC [tax. nov.]

• Type: east-south-east of Carnarvon townsite, Western Australia [precise locality withheld for conservation purposes], 14 October 2011, F. Obbens & G. Marsh FO 20/11 (holo: PERTH; iso: AD, CANB, MEL).

taxonomic synonym: Calandrinia sp. Red sand dunes (F.Obbens & G.Marsh FO 20/11) WA Herbarium [n/a]

• APC Dist.: WA

• Etymology: "The epithet is derived from the Latin rubri- (red-) and sabulosum (sandy place), in reference to the species' specific habitat."

Parker, C.M. (10 March 2015), Updates to Western Australia's vascular plant census for 2014. Nuytsia 25: 19 [secondary reference]

taxonomic synonym: Calandrinia sp. Red sand dunes (F.Obbens & G.Marsh FO 20/11) WA Herbarium [n/a]

Hershkovitz, M.A. (21 September 2020), Rumicastrum Ulbrich (Montiaceae): a beautiful name for the Australian calandrinias. Phytologia 102(3): 121 [basionym]

basionym of: Rumicastrum rubrisabulosum (Obbens) Hershk. legitimate

Hershkovitz, M.A. (September 2023), Notes on the taxonomy of Parakeelya Hershk. (Montiaceae). International Journal of Scientific Development and Research 8(9): 119 [basionym]

basionym of: Parakeelya rubrisabulosa (Obbens) Hershk. legitimate

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