cirsium arvense, matricaria chamomilla, amaranthus retroflexus, ambrosia artemisiifolia, atriplex tatarica, bromus tectorum, capsella bursa-pastoris, erigeron canadensis, galium aparine, lappula squarrosa, lathyrus tuberosus, lepidium ruderale, nigella arvensis, senecio vernalis, convolvulus arvensis, cyclachaena xanthiifolia, delphinium consolida, erigeron acris, euphorbia esula, sisymbrium loeselii, stachys recta, carduus acanthoides, cichorium intybus, rumex confertus