solidago canadensis, oenothera biennis, calamagrostis epigejos, arenaria serpyllifolia, erigeron annuus, tripleurospermum inodorum, achillea millefolium, artemisia vulgaris, cirsium arvense, cirsium vulgare, erigeron canadensis, plantago major, populus canadensis, salix caprea, tanacetum vulgare, sisymbrium loeselii