papaver rhoeas, silene diversifolia, diplotaxis erucoides, euphorbia peplus, sonchus tenerrimus, stellaria media, calendula arvensis, chenopodium album, convolvulus arvensis, fumaria officinalis, fumaria parviflora, galium tricornutum, lamium amplexicaule, lolium rigidum, poa annua, polygonum aviculare, avena barbata, bromus diandrus, bromus madritensis, erigeron bonariensis, erodium malacoides, hordeum murinum, hypecoum imberbe, rumex pulcher