matricaria chamomilla, cichorium intybus, erigeron canadensis, capsella bursa-pastoris, cirsium arvense, convolvulus arvensis, elymus uralensis, euphorbia seguieriana, falcaria vulgaris, jacobaea erucifolia, lactuca serriola, sisymbrium loeselii, thlaspi arvense, artemisia absinthium, atriplex tatarica, centaurea diffusa, descurainia sophia, lathyrus tuberosus, verbascum lychnitis