A new species and new records of Lecanora (Lecanoraceae, lichenized Ascomycota) with usnic acid from the Antarctic region

IRIS NADIA DE LA ROSA; ALFREDO PASSO; JUAN MANUEL RODRIGUEZ; JORGE CHIAPELLA; MARÍA INÉS MESSUTI

Phytotaxa

Magnolia Press

Año: 2016 vol. 261 p. 185 - 193

A new species of Lecanora, L. flavocrassa, is described from the Antarctic region. Additionally, L. stenotropa is registered for the first time from Antarctica and the distribution range of L. intricata is extended to the Antarctic Peninsula. A key to the species of Lecanora from Antarctica that contain usnic acid as secondary metabolite is presented.