Al-Handal, A.Y., Levkov, Z. and Wulff, A. 2023. Rhoicosphenia johannessoniae (Bacillariophyceae), a new diatom from the Swedish coast of the Baltic Sea. Phytotaxa. 618, 1 (Sep. 2023), 69–78. DOI:https://doi.org/10.11646/phytotaxa.618.1.6.