bromus catharticus, hordeum murinum, bromus hordeaceus, dactylis glomerata, lolium perenne, poa annua, plantago lanceolata, sonchus oleraceus, trifolium repens, bromus madritensis, capsella bursa-pastoris, crepis capillaris, crepis vesicaria, erigeron canadensis, helminthotheca echioides, lolium arundinaceum, malva multiflora