malva pusilla, xanthium spinosum, ballota nigra, achillea millefolium, amaranthus retroflexus, carduus acanthoides, erigeron canadensis, matricaria chamomilla, medicago lupulina, plantago lanceolata, plantago major, rumex conglomeratus, sinapis arvensis, sisymbrium officinale, verbena officinalis, xanthium strumarium