persicaria lapathifolia, avena fatua, chenopodium album, cirsium arvense, erysimum cheiranthoides, galium aparine, myosotis arvensis, oxalis stricta, persicaria maculosa, polygonum aviculare, ranunculus arvensis, ranunculus repens, stellaria media, achillea millefolium, argentina anserina, equisetum arvense, galium mollugo, sinapis arvensis, thlaspi arvense