Polycarpaea corymbosa var. effusa Oliv.

POWO follows these authorities in synonymising this name:

• Caminho, J., Mutemba, L., Matusse, E., Osborne, J., Wursten, B., Burrows, J., Cianciullo, S., Malatesta, L. & Attorre, F. (2022). An updated checklist of Mozambique’s vascular plants. PhytoKeys 189: 61-80. [Cited as Polycarpaea eriantha var. effusa.]
• Edwards, S., Tadesse, M., Demissew, S. & Hedberg, I. (eds.) (2000). Flora of Ethiopia and Eritrea 2(1): 1-532. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps. [Cited as Polycarpaea eriantha var. effusa.]
• Exell, A.W. & Wild, H. (eds.) (1961). Flora Zambesiaca 1(2): 337-581. Royal Botanic Gardens, Kew. [Cited as Polycarpaea eriantha.]
• Turrill, W.B. (1956). Flora of Tropical East Africa, Caryophyllaceae: 1-38. [Cited as Polycarpaea eriantha var. effusa.]

This name was accepted following an alternative taxonomy by these authorities:

• Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers. [Cited as Polycarpaea corymbosa var. effusa.]
• Hutchinson, J., Dalziel, J.M. & Keay, R.W.J. (1954-1958). Flora of West Tropical Africa, ed. 2, 1: 1-828. [Cited as Polycarpaea corymbosa var. effusa.]
• Robyns, W. & al. (eds.) (1948-1963). Flore du Congo Belge et du Ruanda-Urundi 1-10. [Cited as Polycarpaea corymbosa var. effusa.]