text: apera spica-venti, fallopia convolvulus, myosotis arvensis, arabidopsis thaliana, capsella bursa-pastoris, centaurea cyanus, chenopodium album, cirsium arvense, elymus repens, equisetum arvense, galeopsis speciosa, geranium pusillum, lamium purpureum, ornithopus perpusillus, persicaria lapathifolia, poa annua, rumex acetosella, spergula arvensis, stellaria media, tripleurospermum inodorum, vicia hirsuta, vicia sativa, anthemis arvensis, artemisia vulgaris, crepis tectorum, persicaria maculosa, ranunculus repens, rumex crispus, urtica dioica