Nelsen, Matthew P; Lumbsch, H Thorsten; Lucking, Robert; Elix, John
It has been suggested that the usnic acid-containing species of Lepraria do not belong to Lepraria s. str. In addition, the two usnic acid-containing Lepraria species, Lepraria usnica Sipman and Lepraria coriensis (Hue) Sipman, were suspected to be conspecific by some authors. We incorporate molecular sequence data from two independent loci to test several hypotheses regarding the conspecificity and phylogenetic position of these two taxa. The two species do not form a monophyletic clade,...[Show more]
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