hordeum vulgare, anthemis cotula, sherardia arvensis, silene noctiflora, euphorbia exigua, galium aparine, lysimachia arvensis, thlaspi arvense, veronica persica, aethusa cynapium, amaranthus retroflexus, apera spica-venti, arenaria serpyllifolia, delphinium consolida, euphorbia helioscopia, galinsoga quadriradiata, lamium amplexicaule, myosotis arvensis, oxalis stricta, papaver rhoeas, polygonum aviculare, setaria pumila, sonchus arvensis, veronica polita, viola arvensis