beta vulgaris, chenopodium album, cirsium arvense, convolvulus arvensis, elymus repens, galinsoga parviflora, persicaria lapathifolia, stachys palustris, echinochloa crus-galli, equisetum arvense, erigeron canadensis, mentha arvensis, persicaria hydropiper, plantago major, polygonum aviculare, viola arvensis