galactites tomentosa, bromus madritensis, carduus pycnocephalus, euphorbia peplus, euphorbia segetalis, geranium rotundifolium, bromus diandrus, bromus hordeaceus, calendula arvensis, catapodium rigidum, chondrilla juncea, convolvulus althaeoides, eryngium campestre, euphorbia serrata, hordeum murinum, lotus ornithopodioides, medicago littoralis, medicago truncatula, plantago arenaria, sherardia arvensis, silene gallica, silene vulgaris, sonchus tenerrimus, urospermum dalechampii, urospermum picroides, avena barbata