valantia muralis, bromus rubens, catapodium rigidum, centranthus calcitrapae, galium murale, lagurus ovatus, romulea columnae, achyrophorus valdesii, asplenium ceterach, brachypodium distachyon, campanula erinus, cerastium siculum, echium parviflorum, erodium malacoides, euphorbia peplus, geranium molle, geranium purpureum, hyoseris radiata, jacobaea maritima, lysimachia foemina, lysimachia linum-stellatum, magydaris pastinacea, mercurialis annua, micromeria graeca, parietaria lusitanica, plantago afra, polypodium cambricum, rostraria cristata, saxifraga tridactylites, sedum album, sedum stellatum, selaginella denticulata, senecio vulgaris, sherardia arvensis, sideritis romana, sonchus asper, trifolium suffocatum, urospermum picroides