erigeron bonariensis, hyparrhenia hirta, lobularia maritima, piptatherum miliaceum, aegilops geniculata, arenaria leptoclados, brachypodium phoenicoides, calendula arvensis, centranthus ruber, chenopodium album, chondrilla juncea, diplotaxis tenuifolia, dittrichia viscosa, euphorbia exigua, euphorbia helioscopia, helichrysum stoechas, heliotropium europaeum, hordeum murinum, lepidium graminifolium, trifolium angustifolium, urospermum dalechampii, verbascum sinuatum