vicia cracca, cirsium arvense, elymus repens, lathyrus tuberosus, arenaria leptoclados, bromus squarrosus, bromus tectorum, capsella bursa-pastoris, convolvulus arvensis, echium vulgare, erigeron acris, matricaria chamomilla, medicago falcata, trifolium arvense, ambrosia artemisiifolia, euphorbia esula, lotus corniculatus, melilotus albus, melilotus officinalis, picris hieracioides, reseda lutea