erigeron canadensis, ambrosia artemisiifolia, artemisia absinthium, carduus acanthoides, achillea nobilis, atriplex tatarica, bromus squarrosus, bromus tectorum, chondrilla juncea, convolvulus arvensis, elymus uralensis, leonurus cardiaca, matricaria chamomilla, melilotus officinalis, plantago lanceolata, poa angustifolia, reseda lutea, sisymbrium loeselii, achillea millefolium, centaurea diffusa, cirsium arvense, euphorbia esula, salvia nemorosa