artemisia absinthium, apera spica-venti, artemisia vulgaris, nepeta cataria, ballota nigra, capsella bursa-pastoris, chenopodium album, descurainia sophia, erigeron canadensis, galinsoga parviflora, malva neglecta, poa annua, poa pratensis, sisymbrium officinale, tripleurospermum inodorum, urtica urens, urtica dioica