equisetum arvense, erigeron canadensis, persicaria lapathifolia, setaria pumila, bidens tripartita, cota austriaca, echinochloa crus-galli, lipandra polysperma, medicago lupulina, myosotis scorpioides, sonchus arvensis, sonchus asper, symphytum officinale, trifolium repens, tripleurospermum inodorum