Ramalina confertula

Ramalina confertula, the mountain strap lichen, is a species of fruticose lichen in the family Ramalinaceae, known from only two volcanoes on Porto Santo Island (Portugal).

Habitat and Distribution
R. confertula grows on volcanic rock on two peaks, at altitudes of 375 to 515 m. The total area occupied by the species is estimated to be under 100 m2.