thinopyrum intermedium, bothriochloa ischaemum, convolvulus arvensis, galium humifusum, poa angustifolia, falcaria vulgaris, erigeron canadensis, eryngium campestre, euphorbia tommasiniana, lactuca serriola, medicago falcata, bassia prostrata, berteroa incana, jacobaea erucifolia, linaria vulgaris, xanthium orientale