melilotus albus, medicago falcata, melilotus officinalis, trifolium arvense, achillea millefolium, ambrosia artemisiifolia, cichorium intybus, cirsium arvense, convolvulus arvensis, elymus repens, erigeron canadensis, falcaria vulgaris, onobrychis arenaria, poa angustifolia, poa compressa, senecio vernalis, setaria viridis