sonchus arvensis, aethusa cynapium, euphorbia exigua, mentha arvensis, achillea virescens, cirsium arvense, convolvulus arvensis, elymus repens, vicia cracca, vicia hirsuta, arrhenatherum elatius, cerastium fontanum, euphrasia officinalis, holcus mollis, knautia arvensis, lapsana communis, lysimachia arvensis, lysimachia vulgaris, poa trivialis, sinapis arvensis, trifolium pratense, trifolium repens, tripleurospermum inodorum, tussilago farfara, valerianella dentata, valerianella rimosa, viola arvensis