Gonatozygon aculeatum Hastings and Cosmarium quadratum Ralfs ex Ralfs were recorded for the first time in the freshwater algal flora of Turkey.
ŞAHİN, BÜLENT (2007) "Two New Records for the Freshwater Algae of Turkey," Turkish Journal of Botany: Vol. 31: No. 2, Article 8. Available at: https://journals.tubitak.gov.tr/botany/vol31/iss2/8