tussilago farfara, tripleurospermum inodorum, artemisia vulgaris, reynoutria japonica, elymus repens, lactuca serriola, persicaria lapathifolia, rumex obtusifolius, sonchus oleraceus, chenopodium album, poa pratensis, salix caprea, solidago canadensis, urtica dioica, echinochloa crus-galli, moehringia trinervia, persicaria maculosa, senecio viscosus, silene latifolia, oenothera biennis