text: apera spica-venti, matricaria chamomilla, galinsoga parviflora, plantago major, arabidopsis thaliana, capsella bursa-pastoris, galium aparine, gnaphalium uliginosum, juncus bufonius, mentha arvensis, myosotis arvensis, persicaria maculosa, ranunculus repens, sagina apetala, silene noctiflora, sonchus asper, stellaria media, thlaspi arvense, trifolium repens, veronica arvensis, viola arvensis, cerastium fontanum