erigeron canadensis, rumex acetosella, scleranthus annuus, elymus repens, fallopia convolvulus, filago arvensis, myosotis arvensis, senecio vernalis, tripleurospermum inodorum, vicia hirsuta, viola arvensis, artemisia vulgaris, chenopodium album, echium vulgare, erigeron acris, scorzoneroides autumnalis