Key words: lichens, Lecanoraceae, Lecanora, morphology, structure, distribution, ecology, systematics, Parmeliaceae, Rhizoplaca.
Mots clés : lichens, Lecanoraceae, Lecanora, morphologie, structure, répartition, écologie, systématique, Parmeliaceae, Rhizoplaca.Giga-fren Giga-fren