echinochloa crus-galli, amaranthus retroflexus, artemisia vulgaris, chenopodium album, galinsoga parviflora, persicaria maculosa, tripleurospermum inodorum, elymus repens, erigeron canadensis, silene latifolia, apera spica-venti, cirsium arvense, galeopsis bifida, galeopsis tetrahit, galium aparine, mentha arvensis, sonchus asper, stachys palustris, stellaria media, thlaspi arvense, viola arvensis