collomia grandiflora, melilotus albus, anthemis arvensis, senecio viscosus, achillea millefolium, berteroa incana, echium vulgare, erigeron canadensis, galium aparine, glyceria maxima, oenothera biennis, poa nemoralis, robinia pseudoacacia, saponaria officinalis, tanacetum vulgare, verbascum thapsus