text: corispermum intermedium, erigeron canadensis, descurainia sophia, senecio viscosus, sisymbrium officinale, apera spica-venti, artemisia vulgaris, chenopodium album, daucus carota, equisetum arvense, medicago lupulina, melilotus albus, melilotus officinalis, rumex crispus, tripleurospermum inodorum, tussilago farfara, matricaria discoidea, tanacetum vulgare