malva neglecta, polygonum aviculare, urtica urens, poa annua, verbascum densiflorum, amaranthus retroflexus, chenopodium album, descurainia sophia, erigeron canadensis, erodium cicutarium, galinsoga parviflora, geranium robertianum, plantago lanceolata, setaria pumila, silene latifolia, sisymbrium officinale, xanthium strumarium