sonchus arvensis, thlaspi arvense, centaurea cyanus, fallopia convolvulus, galeopsis tetrahit, galium aparine, myosotis arvensis, persicaria amphibia, valerianella carinata, veronica persica, veronica polita, viola arvensis, cerinthe minor, euphorbia helioscopia, galeopsis speciosa, galium spurium, geranium pusillum, lysimachia arvensis, matricaria discoidea, mentha arvensis, papaver rhoeas, poa trivialis, polygonum aviculare, sinapis arvensis, valerianella locusta, veronica arvensis, lamium purpureum