Obbens, F.J. (18 December 2012), Three new species of Calandrinia (Portulaceae) from the Eremaean and South West Botanical Provinces of Western Australia. Nuytsia 22(6): 352-356, Figs 1-3 APC [tax. nov.]

• Type: "c. 0.5 km south along Mullewa–Carnarvon Road from junction with the Pinegrove–Yallalong Road turnoff and just north of Bullardoo homestead, Shire of Mullewa, Western Australia, 16 September 2004, F. Obbens & F. Hort FO 57/04 (holo: PERTH 06981216; iso: CANB)."

taxonomic synonym: Calandrinia sp. Bullardoo (F.Obbens & F.Hort FO 57/04) [n/a]

• APC Dist.: WA

• Etymology: "Named after Fred and Jean Hort who brought this species to my notice. They were also instrumental in surveying the distribution of this species and a number of other recently phrase-named calandrinias."

Parker, C.M. & Biggs, L.J. (1 May 2014), Updates to Western Australia's vascular plant census for 2013. Nuytsia 24: 54 [secondary reference]

taxonomic synonym: Calandrinia sp. Bullardoo (F.Obbens & F.Hort FO 57/04) [n/a]

Hershkovitz, M.A. (21 September 2020), Rumicastrum Ulbrich (Montiaceae): a beautiful name for the Australian calandrinias. Phytologia 102(3): 119 [basionym]

basionym of: Rumicastrum hortiorum (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): 118 [basionym]

basionym of: Parakeelya hortiorum (Obbens) Hershk. legitimate

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