echinochloa crus-galli, erigeron canadensis, linaria vulgaris, galinsoga parviflora, trifolium repens, calystegia sepium, chenopodium album, elymus repens, lamium purpureum, leontodon hispidus, persicaria maculosa, polygonum aviculare, rorippa sylvestris, sonchus oleraceus, stellaria media, vicia cracca