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Zhigila, D.A., Verboom, G.A., Stirton, C.H., Smith, H.J. and Muasya, A.M. 2019.

Six new Thesium (Santalaceae) species endemic to the Greater Cape Floristic Region, South Africa, and one new name

. Phytotaxa. 423, 4 (Nov. 2019), 215–237. DOI:https://doi.org/10.11646/phytotaxa.423.4.1.