reseda lutea, cichorium intybus, cirsium arvense, elymus repens, poa angustifolia, ambrosia artemisiifolia, bromus tectorum, convolvulus arvensis, erigeron canadensis, sisymbrium loeselii, artemisia absinthium, carduus acanthoides, melilotus officinalis, pilosella echioides, tragopogon dubius