bg, софия (столица), convolvulus arvensis, plantago major, lolium perenne, capsella bursa-pastoris, elymus repens, ballota nigra, poa annua, urtica dioica, trifolium repens, polygonum aviculare, plantago lanceolata, lactuca serriola, dactylis glomerata, cirsium arvense, bromus sterilis, chenopodium album, artemisia vulgaris, galium aparine, achillea millefolium, cichorium intybus, stellaria media, hordeum murinum, arctium lappa, poa pratensis, matricaria chamomilla, tripleurospermum inodorum, onopordum acanthium, rumex crispus, daucus carota, sisymbrium officinale, lepidium draba, medicago lupulina, poa trivialis, amaranthus retroflexus, malva neglecta, malva sylvestris, potentilla reptans, erigeron canadensis, trifolium pratense, lamium purpureum, sonchus oleraceus, leonurus cardiaca, erodium cicutarium, arrhenatherum elatius, carduus acanthoides, ranunculus repens, bromus hordeaceus, fallopia convolvulus, chelidonium majus, urtica urens