triticum aestivum, anthemis arvensis, galium aparine, apera spica-venti, avena sativa, cirsium arvense, convolvulus arvensis, elymus repens, fallopia convolvulus, lysimachia arvensis, oxalis stricta, papaver rhoeas, persicaria lapathifolia, persicaria maculosa, poa pratensis, silene latifolia, stellaria graminea, tripleurospermum inodorum, veronica persica