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Sluiman, Hans J.; Guihal, Caroline; Mudimu, Opayi. Assessing phylogenetic affinities and species delimitations in Klebsormidiales (Streptophyta): Nuclear-encoded rDNA phylogenies and ITS secondary structure models in Klebsormidium, Hormidiella, and Entransia. Journal of Phycology. 2008, 44 (1): 183–195. PMID 27041055. doi:10.1111/j.1529-8817.2007.00442.x.
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Sluiman, Hans J.; Guihal, Caroline; Mudimu, Opayi. Assessing phylogenetic affinities and species delimitations in Klebsormidiales (Streptophyta): Nuclear-encoded rDNA phylogenies and ITS secondary structure models in Klebsormidium, Hormidiella, and Entransia. Journal of Phycology. 2008, 44 (1): 183–195. PMID 27041055. doi:10.1111/j.1529-8817.2007.00442.x.