Letrouitia Hafellner & Bellem.
Fungi | Ascomycota | Lecanoromycetes | Teloschistales | Letrouitiaceae | Letrouitia
semi-exposed bark (lower trunk)
Corcovado National Park (Osa Conservation Area), Sector Sirena, Sirena Biological Station: 160 km SSE of San José and 50 km WSW of Golfito, beach north of station at mouth of Río Sirena