text: convolvulus arvensis, solanum nigrum, amaranthus retroflexus, chenopodium album, lamium amplexicaule, stellaria media, artemisia absinthium, capsella bursa-pastoris, chenopodiastrum hybridum, cirsium arvense, diplotaxis muralis, erodium cicutarium, medicago lupulina, papaver lecoqii, senecio vulgaris, sonchus oleraceus, tragopogon dubius, veronica hederifolia, veronica polita