sonchus arvensis, vicia hirsuta, achillea virescens, arrhenatherum elatius, cirsium arvense, convolvulus arvensis, euphorbia exigua, ranunculus repens, scleranthus annuus, sinapis arvensis, spergula arvensis, trifolium repens, vicia sativa, vicia tetrasperma, galeopsis tetrahit, holcus mollis, hypochaeris radicata, lapsana communis, mentha arvensis, persicaria lapathifolia, persicaria mitis, poa compressa, tussilago farfara, valerianella rimosa