Aspicilia bicensis (Megasporaceae), a new sterile, pustulose lichen from eastern Canada

Aspicilia bicensis is described as new to science from coastal rock outcrops in Parc national du Bic, Quebec in eastern Canada. Apothecia are unknown in the species, but it is nonetheless distinctive on account of its occurrence on maritime rocks, white areolate pustulose-sorediate thallus, and production of norstictic acid. The placement in Aspicilia is confirmed by molecular phylogenetic analyses of ITS sequence data.