artemisia vulgaris, ballota nigra, arctium tomentosum, urtica dioica, amaranthus retroflexus, armoracia rusticana, dactylis glomerata, elymus repens, erigeron canadensis, lamium album, poa compressa, solidago canadensis, solidago gigantea, tanacetum vulgare, tripleurospermum inodorum, potentilla reptans, ribes rubrum