persicaria mitis, dysphania ambrosioides, populus nigra, salix alba, salix purpurea, solidago canadensis, xanthium orientale, chenopodium album, echinochloa crus-galli, erigeron canadensis, lathyrus sylvestris, melilotus albus, molinia arundinacea, oenothera biennis, persicaria maculosa, rubus caesius, scrophularia canina, solanum nigrum, verbascum blattaria