digitaria sanguinalis, erysimum diffusum, lactuca serriola, plantago major, poa annua, polygonum aviculare, sonchus arvensis, achillea collina, amaranthus retroflexus, ballota nigra, centaurea diffusa, convolvulus arvensis, diplotaxis muralis, elymus repens, erigeron canadensis, lepidium ruderale, setaria viridis, ambrosia artemisiifolia