elymus repens, bromus squarrosus, capsella bursa-pastoris, cirsium arvense, convolvulus arvensis, echium vulgare, erigeron acris, euphorbia esula, lathyrus tuberosus, medicago falcata, melilotus officinalis, onobrychis arenaria, sisymbrium loeselii, trifolium arvense, vicia cracca, ambrosia artemisiifolia, artemisia santonicum, jacobaea erucifolia, lactuca serriola, matricaria chamomilla, pilosella echioides