poa annua, apera spica-venti, aphanes arvensis, capsella bursa-pastoris, centaurea cyanus, chenopodium album, cirsium arvense, fallopia convolvulus, gnaphalium uliginosum, juncus bufonius, lamium amplexicaule, lycopsis arvensis, matricaria chamomilla, myosotis arvensis, plantago uliginosa, roemeria argemone, viola arvensis, anthemis arvensis, stachys palustris