Usnic acid is present in the cortex of all Ramalinu species to a greater or lesser extent and is considered to be responsible for their antibiotic activity (1). Ramalina hierrensis Krog. & Osth. (2) (Ramalinaceae Ag., Lecanorales Nannf.) was collected on ,Juniperus phoenicea L. (savin) at La Dehesa (El Sabinar, El Hierro) and various chromatographic and spectroscopic procedures (IR, mass, 1H-NMR, 13C-NMR, NOE) were applied to a ketone extract of this lichen, affording the following products with very diverse structures: two triterpenes, ursolic acid and iso-arborinol acetate (3); three sterols, j3-sitosterol, er