amaranthus powellii, symphytum officinale, elymus repens, calystegia sepium, equisetum arvense, galinsoga parviflora, ambrosia artemisiifolia, chenopodium album, echinochloa crus-galli, glechoma hederacea, lipandra polysperma, persicaria maculosa, potentilla reptans, setaria pumila