eragrostis minor, berberis thunbergii, digitaria sanguinalis, galinsoga parviflora, setaria viridis, capsella bursa-pastoris, chaenorhinum minus, chenopodiastrum hybridum, digitaria ischaemum, elymus repens, erigeron canadensis, lamium amplexicaule, poa annua, polygonum aviculare, ulmus glabra, chenopodium album, urtica urens