A new species of Graphis (Graphidaceae: Lichenized Ascomycota) and a revised key of the genus in Rio Grande do Sul, southern Brazil

作者：Feuerstein Shirley Cunha; Koch Natalia Mossmann^*; Lucheta Fabiane; Ferrao Vargas Vera Maria; Borges Da Silveira Rosa Mara

来源：Phytotaxa, 2016, 289(3): 271-278.

DOI：10.11646/phytotaxa.289.3.7

• microlichens
• corticolous lichens
• subtropical rain forests
• Atlantic Forest

(A new species of Graphis [Graphidaceae: Lichenized Ascomycota] and a revised key of the genus in Rio Grande do Sul, southern Brazil). In this paper we describe a new species of the lichen genus Graphis, namely G. suzanae Koch & Feuerstein. This species is characterized mainly by lirellae with entire labia, a partially exposed disc with orange pigment in the epithecium, a lateral thalline margin, a laterally carbonized excipulum, a clear hymenium, and transversely septate ascospores measuring 40-44 x 8-10 mu m. The chemistry of the species was assessed through TLC analysis. A complete key with G. suzanae and 56 more species of Graphis that where previously recorded to the state of Rio Grande do Sul, southern Brazil, is included.

• 出版日期2016-12-29