text: elymus repens, ambrosia artemisiifolia, solidago canadensis, carex hirta, chenopodium album, setaria viridis, achillea millefolium, cichorium intybus, erigeron annuus, parthenocissus inserta, polygonum aviculare, xanthium orientale, acer negundo, echinochloa crus-galli, populus nigra