polygonum aviculare, descurainia sophia, convolvulus arvensis, malva pusilla, artemisia absinthium, ballota nigra, capsella bursa-pastoris, carduus acanthoides, erigeron annuus, lolium perenne, poa pratensis, achillea millefolium, anthemis arvensis, artemisia santonicum, cyclachaena xanthiifolia, elymus repens, erigeron canadensis, geranium pusillum, lamium purpureum, lolium pratense, medicago lupulina, onopordum acanthium, pastinaca sativa, plantago major, poa annua, sisymbrium officinale, sonchus arvensis, urtica dioica