astragalus siculus, cerastium tomentosum, cuscuta epithymum, galium aetnicum, tanacetum vulgare, hypochaeris robertia, senecio squalidus, anthemis aetnensis, bellardiochloa variegata, berberis aetnensis, calamagrostis epigejos, festuca rubra, rumex aetnensis, secale strictum