Obbens, F.J. (1 May 2014), Two new species of Calandrinia (Portulaceae) from southern Western Australia. Nuytsia 24: 41-43, Fig. 1 (map), 3 APC [tax. nov.]

• Type: Two Rocks, Western Australia [precise locality withheld for conservation reasons], 25 October 2003, K. Richardson 211 (holo: PERTH 06934374; iso: CANB).

taxonomic synonym: Calandrinia sp. Two Rocks (K.Richardson 211) [n/a]

• APC Dist.: WA

• Etymology: "From the Latin ora (coast) in reference to its preferred habitat adjacent to the beach or oceanfront."

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. Two Rocks (K.Richardson 211) [n/a]

Hershkovitz, M.A. (21 September 2020), Rumicastrum Ulbrich (Montiaceae): a beautiful name for the Australian calandrinias. Phytologia 102(3): 120 [basionym]

basionym of: Rumicastrum orarium (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 oraria (Obbens) Hershk. legitimate

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