Nimis P.L. & Tretiach M.
(1997):
A revision of Tornabea, a genus of fruticose lichens new to North America,
Bryologist,
100(2): 217-225
The discovery of a Tornabea in California and Mexico brought the authors to critically compare the two currently accepted species of the genus, T. scutellifera (Old World) and T. ephebea (South America), based on the anatomical and morphological analysis of 98 samples. The results show that the morpho-anatomy of T. ephebea lies within the range of variation of the highly polymorphic T. scutellifera. The two taxa are conspecific and the former name is consequently a synonym of the latter. The species …
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