text: spergula arvensis, agrostis gigantea, lapsana communis, stellaria media, veronica arvensis, viola arvensis, apera spica-venti, aphanes arvensis, arabidopsis thaliana, centaurea cyanus, elymus repens, equisetum arvense, galeopsis tetrahit, gnaphalium uliginosum, lamium purpureum, myosotis arvensis, persicaria maculosa, poa annua, trifolium repens, vicia hirsuta, vicia sativa, cirsium arvense, lolium perenne, persicaria hydropiper, persicaria lapathifolia