eragrostis minor, euphorbia maculata, polygonum aviculare, amaranthus albus, amaranthus blitoides, atriplex tatarica, bromus hordeaceus, capsella bursa-pastoris, cynodon dactylon, digitaria sanguinalis, erigeron canadensis, heliotropium europaeum, hordeum murinum, matricaria chamomilla, plantago arenaria, portulaca oleracea, tragus racemosus, verbena officinalis