Thelotrema hnatiukii, a new lichen species and other interesting Thelotremataceae from Aldabra, Indian Ocean

The Thelotremataceae are represented on Aldabra by three species Leucodecton compunetion Thelotrema euphorbiae, and Thelotrema hnatiukii. The latter is described here as new It is closely related to T euphorbiae and know so far only from Aldabra.