beta vulgaris, poa annua, polypogon monspeliensis, bromus catharticus, helminthotheca echioides, hordeum murinum, lepidium didymum, lysimachia arvensis, ranunculus trilobus, sonchus oleraceus, torilis arvensis, veronica polita, vicia sativa, diplotaxis erucoides, diplotaxis virgata, euphorbia helioscopia, geranium dissectum, lepidium coronopus, mercurialis annua