poa annua, lolium perenne, plantago major, polygonum aviculare, agrostis stolonifera, matricaria chamomilla, persicaria maculosa, amaranthus blitum, ranunculus repens, rorippa sylvestris, trifolium repens, achillea millefolium, ambrosia artemisiifolia, erigeron canadensis, persicaria lapathifolia, solanum villosum, verbena officinalis