xanthium orientale, echinochloa crus-galli, bidens vulgata, convolvulus arvensis, cynodon dactylon, elymus repens, equisetum arvense, euphorbia tommasiniana, inula britannica, persicaria amphibia, persicaria lapathifolia, plantago major, rorippa sylvestris, rumex crispus, sporobolus alopecuroides, symphytum officinale, veronica anagallis-aquatica