Legrand, C.M.D.E. (9 July 1955), Desmembración del género Portulaca. Comunicaciones Botanicas del museo de Historia Natural de Montevideo 3(31): 6 [autonym]

Geesink, R. (6 October 1969), An account of the genus Portulaca in Indo-Australia and the Pacific (Portulacaceae). Blumea 17(1): 288-299 [secondary reference]

taxonomic synonym: Portulaca sect. Euportulaca Kuntze nom. inval.

Geesink, R. (1971), Portulacaceae. Flora Malesiana Series I 7(1): 127-133 [secondary reference]

taxonomic synonym: Portulaca sect. Euportulaca Kuntze nom. inval.

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