New publication: Lectotypification of Umbilicaria torrefacta (Lightf. ) Schrad.
Geir Hestmark* in The Lichenologist
The mainly saxicolous lichen genus Umbilicaria is distributed worldwide in the boreal and alpine-arctic-antarctic vegetation zones. The circumscription and number of its species is reasonably well known, particularly in Europe (Frey 1933; Llano 1950; Wei & Jiang 1993; Krog et al. 1994; Smith et al. 2009). Nevertheless, quite a number of its taxa lack proper typification, a task often made difficult by complex histories of synonyms and misidentifications (Hestmark 1993, 2007, 2010, 2014, 2015). [...]
Published online: 10 March 2017
* Centre for Ecological and Evolutionary Synthesis (CEES), Department of Biosciences, UiO