papaver rhoeas, thlaspi arvense, atriplex patula, chenopodium album, elymus repens, euphorbia helioscopia, fumaria officinalis, gnaphalium uliginosum, juncus bufonius, lamium amplexicaule, lysimachia arvensis, matricaria chamomilla, matricaria discoidea, myosotis arvensis, persicaria hydropiper, persicaria lapathifolia, plantago uliginosa, poa annua, sagina procumbens, scleranthus annuus, sinapis arvensis, sonchus asper, spergula arvensis, stellaria media, tripleurospermum inodorum, veronica arvensis, veronica opaca, veronica persica, viola arvensis, sonchus oleraceus, vicia hirsuta