Silica-scaled chrysophytes from the Ukrainian Polissia Author Kapustin, Dmitry A. Author Gusev, Evgeniy S. K. A. Timiryazev Institute of Plant Physiology Russian Academy of Sciences, Botanicheskaya St. 35, 127276, Moscow (Russia) * dima _ kapustin @ outlook. com (corresponding author) Author Lilitskaya, Galina G. M. G. Kholodny Institute of Botany, National Academy of Sciences of Ukraine, Tereshchenkivska St. 2, 01601, Kyiv (Ukraine) Author Kulikovskiy, Maxim S. K. A. Timiryazev Institute of Plant Physiology Russian Academy of Sciences, Botanicheskaya St. 35, 127276, Moscow (Russia) text Cryptogamie, Algologie 2020 2020-10-26 20 12 121 135 journal article 246878 10.5252/cryptogamie-algologie2020v41a12 2a46d516-2edd-4de5-8ebb-404160da8fea 1776-0992 7819057 Mallomonas cf. pseudomatvienkoae B.Y.Jo, W.Shin, H.S.Kim, Siver & R.A.Andersen ( Fig. 3C ) DISTRIBUTION. — South Korea ( Jo et al. 2013 ); Russia ( Gusev et al. 2019b ); probably a widely distributed taxon but often erroneously identified as M. matvienkoae . REMARKS The scales of this species have base-plate pores restricted to the distal part and a thick secondary layer that covers the distal one-half to two-thirds of the scale. A single scale observed by us was entirely covered by the secondary layer of silica.