SHYNDANOVINA, Iryna and LUKASH, Oleksandr. New European locality of three rare taxa (Zygnematophyceae, Streptophyta): Cosmarium pseudoprotuberans var. sulcatum (Nordstedt) Coesel, Gonatozygon aculeatum W.N.Hastings and Pleurotaenium simplicissimum Grönblad. Ecological Questions. Online. 16 July 2023. Vol. 34, no. 4, pp. 1-13. [Accessed 17 July 2024]. DOI 10.12775/EQ.2023.048.