text: lolium perenne, setaria viridis, amaranthus powellii, digitaria sanguinalis, echinochloa crus-galli, portulaca oleracea, ballota nigra, capsella bursa-pastoris, lipandra polysperma, malva neglecta, solanum nigrum, veronica persica, chelidonium majus, dysphania botrys, galinsoga parviflora, plantago major, sonchus asper, verbascum phlomoides