text: calamagrostis epigejos, solidago canadensis, ambrosia artemisiifolia, achillea collina, equisetum arvense, erigeron annuus, setaria pumila, agrostis capillaris, carduus acanthoides, convolvulus arvensis, crepis biennis, daucus carota, erigeron canadensis, jacobaea erucifolia, lotus corniculatus, medicago falcata, medicago sativa, ranunculus polyanthemos