apera spica-venti, artemisia campestris, artemisia vulgaris, corispermum intermedium, erigeron canadensis, medicago lupulina, melilotus albus, senecio viscosus, sisymbrium altissimum, achillea millefolium, elymus repens, fallopia convolvulus, plantago lanceolata, rumex acetosella, chenopodium album, corynephorus canescens, crepis tectorum, echium vulgare, helichrysum arenarium, hypochaeris radicata, melilotus officinalis, poa annua, trifolium arvense