A two-gene phylogeny shows the lichen genus Niebla (Lecanorales) is endemic to the New World and does not occur in Macaronesia nor in the Mediterranean basin.
Sérusiaux
Emmanuël
E
Plant Taxonomy and Conservation Biology, University of Liège, Sart Tilman B22, B-4000 Liège, Belgium. e.serusiaux@ulg.ac.be
van den Boom
Pieter
P
Ertz
Damien
D