herniaria hirsuta, plantago major, euphorbia maculata, amaranthus retroflexus, elymus repens, eragrostis minor, erigeron canadensis, galinsoga parviflora, polygonum aviculare, trifolium repens, amaranthus deflexus, bromus hordeaceus, digitaria sanguinalis, diplotaxis muralis, hordeum murinum, lactuca serriola, lolium perenne, lotus corniculatus, medicago minima, solidago gigantea, sonchus oleraceus, taraxacum minimum, trifolium campestre