euphorbia peplis, amaranthus retroflexus, ballota nigra, bellis perennis, carex pairae, chelidonium majus, chenopodium album, convolvulus arvensis, erigeron annuus, geum urbanum, hordeum murinum, lepidium draba, matricaria chamomilla, medicago lupulina, oxalis stricta, plantago major, poa annua, polygonum aviculare, potentilla reptans, sonchus oleraceus, stellaria media, trifolium repens, urtica urens, verbena officinalis