I. Shyndanovina and O. Lukash, “New European locality of three rare taxa (Zygnematophyceae, Streptophyta): Cosmarium pseudoprotuberans var. sulcatum (Nordstedt) Coesel, Gonatozygon aculeatum W.N.Hastings and Pleurotaenium simplicissimum Grönblad”, EQ, vol. 34, no. 4, pp. 1–13, Jul. 2023.