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Klak, C., Schmiedel, U. and Bruyns, P.V. 2020.

The taxonomic status of Ruschia stricta var. turgida and R. promontorii and a new name for R. vaginata (Ruschieae, Aizoaceae)

. Phytotaxa. 433, 1 (Feb. 2020), 41–54. DOI:https://doi.org/10.11646/phytotaxa.433.1.5.