tanacetum vulgare, artemisia vulgaris, calamagrostis epigejos, eupatorium cannabinum, oenothera biennis, pastinaca sativa, sisymbrium loeselii, carduus acanthoides, chenopodium album, cirsium arvense, deschampsia cespitosa, solidago canadensis, tripleurospermum inodorum, verbascum phlomoides, cirsium vulgare, erigeron annuus