Registration Id: http://phycobank.org/7860

Event: new name, new combination

Planothidium joursacense (Hérib.) Lange-Bert. in Iconogr. Diatomol. 6: 277. 1999
is new combination for Achnanthes joursacensis Hérib., Diat. Fos. Auvergne 2: 5, t. XI, fig. 26, 27. 19031,2
1. Published as Achnanthes 'joursacense (data from INA)., 2. Etymology: epithet named for Joursac, the type locality.
published in: Lange-Bertalot, H. 1999: – Iconographia Diatomologica 6: 277

Registration on 1999-02-28 23:00:00 +0100 in Berlin