On the identity of the rare Fragilaria subconstricta (Fragilariaceae), with Fragilaria species forming ribbon-like colonies shortly reconsidered

Abstract

1Direction Régionale de l’Environnement, de l’Aménagement et du Logement Grand Est, 2 rue Augustin Fresnel, CS 57071 Metz cedex 03, France 2Luxembourg Institute of Science and Technology (LIST), Environmental Research & Innovation (ERIN) Department, 41 rue du Brill, L-4422 Belvaux, Luxembourg 3Meise Botanic Garden, Nieuwelaan 38, B-1860 Meise, Belgium 4University of Antwerp, Department of Biology, ECOBE, Universiteitsplein 1, B-2610 Wilrijk, Belgium *Author for correspondence: [email protected] REGULAR PAPER