polygonum aviculare, cynodon dactylon, lolium perenne, erigeron canadensis, poa annua, achillea millefolium, apera spica-venti, bromus arvensis, bromus lanceolatus, convolvulus arvensis, eragrostis minor, lomelosia argentea, plantago lanceolata, spergularia rubra, verbascum phoeniceum, bromus hordeaceus, crepis setosa, agrostis capillaris, capsella bursa-pastoris, taeniatherum caput-medusae, trifolium arvense, trifolium nigrescens, vicia grandiflora