Registration Id: http://phycobank.org/7855
Event: new name, new combination
Planothidium frequentissimum var. minus in Iconogr. Diatomol. 6: 276. 19991
1. (Basionym:) fig. 42, 2. Author abbreviation not checked.
Registration on 1999-02-28 23:00:00 +0100 in Berlin