The prevalence of valve abnormalities in U. danica KB17 from 2017 to 2018 (A) and in F. radians 280 from 2015 to 2016 (B, C). Abnormalities are numbered according to Table 1.

 
 
  Part of: Petrova DP, Bedoshvili YD, Zakharova YR, Volokitina NA, Likhoshway YV, Grachev MA (2020) Changes in valve morphology of two pennate diatom species during long-term culture. Acta Biologica Sibirica 6: 669-678. https://doi.org/10.3897/abs.6.e57888