hordeum murinum, bromus sterilis, dactylis glomerata, arrhenatherum elatius, ballota nigra, capsella bursa-pastoris, carduus acanthoides, chenopodium album, convolvulus arvensis, elymus repens, erigeron annuus, erigeron canadensis, lactuca serriola, lolium perenne, malva sylvestris, matricaria chamomilla, poa trivialis, polygonum aviculare, sisymbrium loeselii, stellaria media, veronica peregrina