Stone, J. R.; Kociolek, J. P.; 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): 270-282.
Two multi-stigmate <em>Gomphonema</em> species of Africa: <em>Gomphonema kalahariense </em>(<em>nom. nov., stat. nov.</em>) and <em>Gomphonema chemeron</em> (<em>sp. nov.</em>)