melilotus albus, achillea millefolium, plantago lanceolata, trifolium repens, artemisia vulgaris, echium vulgare, erigeron canadensis, lolium perenne, medicago lupulina, poa compressa, tussilago farfara, amaranthus retroflexus, ballota nigra, berteroa incana, bromus sterilis, convolvulus arvensis, delphinium consolida, diplotaxis tenuifolia, lepidium draba, melilotus officinalis, oenothera biennis, pimpinella saxifraga, poa annua, potentilla argentea, silene latifolia, sinapis alba, solidago canadensis, tripleurospermum inodorum