Low formations of Helichrysum (Helichrysum italicum ssp. microphyllum, Helichrysum italicum ssp. italicum) with spurges (Euphorbia pithyusa, i.a.), Pistacia lentiscus, Camphorosma monspeliaca, Artemisia densiflora or Thymelaea passerina, Thymelaea hirsuta, Thymelaea tartonraira of the immediate vicinity of sea cliffs, forming the transition between cliff vegetations or clifftop phryganas and thermo-Mediterranean scrub; they are particularly characteristic of the large Mediterranean islands.