Registration Id: http://phycobank.org/7847

Event: new name, new combination

Planothidium biporomum (M.H.Hohn & Hellerman) Lange-Bert. in Iconogr. Diatomol. 6: 275. 19991
is new combination for Achnanthes biporoma M.H.Hohn & Hellerman
1. (Basionym:) fig. 2: 5-6
published in: Lange-Bertalot, H. 1999: – Iconographia Diatomologica 6: 275

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