text: hordeum murinum, lepidium ruderale, matricaria chamomilla, stellaria media, atriplex tatarica, ballota nigra, capsella bursa-pastoris, chenopodiastrum murale, descurainia sophia, erigeron canadensis, fallopia convolvulus, lactuca serriola, lolium perenne, plantago major, poa annua, polygonum aviculare, setaria viridis, sonchus oleraceus, urtica urens