Synedra rumpens var. meneghiniana Grunow

Vijver, Bart Van de, 2021, Was Fragilaria pararumpens Lange-Bertalot, G. Hofmann & Werum 2011 new to science?, Notulae Algarum 180, pp. 1-4 : 2

Synedra rumpens var. meneghiniana Grunow (in Van Heurck 1881: pl. 40: fig. 13)

Lectotype (here designated): BR- 4642, slide prepared from Kützing sample 444, Battaglia [presumably Battaglia Terme , Veneto], Italy, leg. Meneghini, material present in the Van Heurck collection (BR). The lectotype is represented by Figs 4–14.

Isolectotype (here designated): BM 18937 , slide prepared from Kützing sample 444, Battaglia , Italy, leg. Meneghini, present in the Natural History Museum London ( BM) .

Registration: http://phycobank.org/102676

In conclusion, the taxon currently accepted as Fragilaria pararumpens was not new to science when it was described in 2011, since Grunow had already described it as Synedra rumpens var. meneghiniana in 1881. However, Hofmann & al. (2011) provided a name in Fragilaria with priority at the species level for this taxon, linked to environmental data that are very useful for water quality assessment. As Fragilaria pararumpens is valid, Synedra rumpens var. meneghiniana should be considered a synonym: