bg, софия (столица), convolvulus arvensis, plantago major, poa annua, lolium perenne, hordeum murinum, plantago lanceolata, cichorium intybus, arctium lappa, capsella bursa-pastoris, ballota nigra, bromus sterilis, elymus repens, trifolium repens, lactuca serriola, carduus acanthoides, chenopodium album, cirsium arvense, polygonum aviculare, achillea millefolium, artemisia vulgaris, daucus carota, dactylis glomerata, tripleurospermum inodorum, erigeron canadensis, urtica dioica, medicago lupulina, poa pratensis, lepidium draba, lepidium ruderale, rumex crispus, trifolium pratense, stellaria media, matricaria chamomilla, malva sylvestris, melilotus officinalis, onopordum acanthium, echium vulgare, potentilla reptans, sisymbrium officinale, cirsium vulgare, bromus hordeaceus, cynodon dactylon, amaranthus retroflexus, bromus tectorum, sonchus oleraceus, artemisia absinthium, galium aparine, arrhenatherum elatius, berteroa incana, tanacetum vulgare