galinsoga parviflora, amaranthus retroflexus, chenopodium album, glechoma hederacea, setaria pumila, calystegia sepium, cirsium arvense, convolvulus arvensis, equisetum arvense, erigeron canadensis, euphorbia falcata, mentha arvensis, persicaria lapathifolia, rorippa sylvestris, rumex crispus, sonchus arvensis, stachys palustris, symphytum officinale, veronica persica