text: papaver rhoeas, arabidopsis thaliana, convolvulus arvensis, erodium cicutarium, galium aparine, myosotis arvensis, scleranthus annuus, stellaria media, vicia hirsuta, viola arvensis, aphanes arvensis, capsella bursa-pastoris, centaurea cyanus, cirsium arvense, fallopia convolvulus, geranium pusillum, lapsana communis, hypericum perforatum