amaranthus retroflexus, echinochloa crus-galli, erigeron canadensis, atriplex tatarica, capsella bursa-pastoris, chenopodium album, digitaria sanguinalis, eragrostis minor, erigeron annuus, oenothera biennis, setaria pumila, ballota nigra, bromus hordeaceus, bromus tectorum, poa angustifolia, sonchus arvensis