Leuckert C., Gusse K. & Poelt J.
(1969):
Zur Chemotaxonomie der Pertusaria hymenea-Gruppe (Lichenes, Pertusariaceae) -
Herzogia,
1: 159-171
77 specimens of some species of the genus Pertusaria have been studied by chromatographic and partly also mass spectrometric analyses. P. cyparissi, P. hymenea, P. lecanorodes, P. flavicans, P. flavida, P. rupicola and probably also P. ficorum and P. maximiliana contain the xanthone flavicanon, that causes the yellow colour of the thalli; in P. flavicans, P. rupicola and partly P. flavida and probably also P. ficorum and P. maximiliana the occurrence of the depsidone stictic acid has been shown additionally. …
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