text: viola arvensis, myosotis arvensis, arabidopsis thaliana, capsella bursa-pastoris, centaurea cyanus, equisetum arvense, euphorbia helioscopia, fallopia convolvulus, lamium amplexicaule, medicago lupulina, rumex acetosella, senecio vernalis, setaria viridis, spergula arvensis, stellaria media, vicia hirsuta, vicia sativa