malva neglecta, amaranthus retroflexus, anthemis cotula, arctium tomentosum, artemisia vulgaris, ballota nigra, capsella bursa-pastoris, chenopodium album, descurainia sophia, erigeron canadensis, hordeum murinum, matricaria discoidea, plantago major, poa annua, verbena officinalis, galinsoga parviflora, lysimachia arvensis, rumex obtusifolius