text: chenopodium album, convolvulus arvensis, erodium cicutarium, lamium purpureum, lycopsis arvensis, senecio vulgaris, stellaria media, echinochloa crus-galli, elymus repens, equisetum arvense, fallopia convolvulus, urtica urens, matricaria discoidea, persicaria maculosa, achillea millefolium, cirsium arvense, matricaria chamomilla, poa trivialis, solanum nigrum