text: convolvulus arvensis, papaver rhoeas, cirsium arvense, polygonum aviculare, stellaria media, viola arvensis, chenopodium album, equisetum arvense, erodium cicutarium, fallopia convolvulus, galeopsis tetrahit, galinsoga parviflora, galium aparine, galium spurium, knautia arvensis, myosotis arvensis, silene latifolia, sonchus arvensis, trifolium repens, veronica arvensis