text: hordeum murinum, bromus sterilis, ballota nigra, bunias orientalis, capsella bursa-pastoris, chenopodiastrum murale, cirsium arvense, convolvulus arvensis, dactylis glomerata, erigeron annuus, fallopia convolvulus, galium aparine, lactuca serriola, lolium perenne, malva sylvestris, matricaria chamomilla, papaver rhoeas, plantago major, polygonum aviculare, rumex crispus, sonchus oleraceus, stellaria media