artemisia vulgaris, erigeron canadensis, achillea millefolium, arctium lappa, bromus tectorum, carduus acanthoides, oenothera biennis, tripleurospermum inodorum, tussilago farfara, amaranthus retroflexus, atriplex oblongifolia, atriplex sagittata, atriplex tatarica, ballota nigra, berteroa incana, chenopodium album, cirsium arvense, deschampsia cespitosa, echium vulgare, erysimum cheiranthoides, galinsoga parviflora, lamium album, lolium perenne, onopordum acanthium, plantago major, poa pratensis, reseda lutea, rumex crispus, setaria verticillata, sisymbrium loeselii, solidago canadensis, stellaria media, tanacetum vulgare, urtica dioica