bifora radians, convolvulus arvensis, lysimachia arvensis, sinapis arvensis, avena fatua, chenopodium album, lathyrus tuberosus, polygonum aviculare, veronica hederifolia, viola arvensis, cirsium arvense, euphorbia helioscopia, galium verum, holosteum umbellatum, mentha arvensis, sherardia arvensis, sonchus arvensis, vicia tetrasperma, euphorbia exigua