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Stone, J.R., Kociolek, J.P. and Westover, K.S. 2020.

Two multi-stigmate Gomphonema species of Africa: Gomphonema kalahariense (nom. nov., stat. nov.) and Gomphonema chemeron (sp. nov.)

. Phytotaxa. 436, 3 (Mar. 2020), 270–282. DOI:https://doi.org/10.11646/phytotaxa.436.3.5.