urtica urens, chenopodium vulvaria, amaranthus deflexus, achillea setacea, agropyron cristatum, amaranthus blitoides, amaranthus crispus, bromus sterilis, capsella bursa-pastoris, chenopodium album, convolvulus arvensis, descurainia sophia, euclidium syriacum, herniaria glabra, hordeum murinum, lamium amplexicaule, lepidium draba, matricaria chamomilla, polygonum aviculare, portulaca oleracea, thlaspi arvense, xanthium spinosum