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

. Phytotaxa [Internet]. 2020 Mar. 19 [cited 2025 Dec. 5];436(3):270–282. Available from: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.436.3.5