South shore of North Bay, Prince Olav Harbour. Moist edge of Deschampsia flush in whaling station, between buildings at shore level and those on the upper terrace
province Antsiranana. Ankarana, tsingy circa 3 km NE de Mahamasina, not part of Ankarana NP ; on road right side of road (when walking towards Antsiranana) at the second bridge from Mahamasina