ITS2 secondary structure of Hydrurus foetidus. Base numbering is indicated every 10 bases and the four helices are numbered with Roman numerals.

  
  Part of: Hao J, An Y, Nan F, Lv J, Liu Q, Liu X, Xie S, Feng J (2024) New molecular evidence of the genus Hydrurus (Chrysophyceae) and descriptions of Hydrurus foetidus (Villars) Trevisan on the basis of morphology and phylogeny. Biodiversity Data Journal 12: e137389. https://doi.org/10.3897/BDJ.12.e137389