hordeum vulgare, avena fatua, sonchus arvensis, euphorbia exigua, campanula rapunculoides, chenopodium album, convolvulus arvensis, euphorbia helioscopia, euphorbia platyphyllos, fallopia convolvulus, lathyrus tuberosus, lysimachia arvensis, lysimachia foemina, papaver rhoeas, ranunculus arvensis, silene noctiflora, vicia tetrasperma