heliotropium europaeum, portulaca oleracea, amaranthus retroflexus, anacyclus radiatus, anchusa hybrida, calendula arvensis, chenopodium album, chondrilla juncea, convolvulus arvensis, cynodon dactylon, dittrichia viscosa, eragrostis minor, lysimachia arvensis, polygonum aviculare, raphanus raphanistrum