JAHN, Regine, Wolf-Henning KUSBER, Oliver SKIBBE, Jonas ZIMMERMANN, Anh Tu VAN, Krisztina BUCZKÓ, & Nélida ABARCA 2019 (Jul. 9) Gomphonella olivacea (Bacillariophyceae) — a new phylogenetic position for a well-known taxon, its typification, new species and combinations Plant Ecology and Evolution 152(2): 219-247, 14 figs., 2 tables