eleusine indica, euphorbia maculata, oxalis stricta, amaranthus deflexus, capsella rubella, catapodium rigidum, cynodon dactylon, digitaria sanguinalis, erigeron sumatrensis, hordeum murinum, hypochaeris radicata, plantago lanceolata, plantago major, poa annua, polycarpon tetraphyllum, portulaca oleracea, sonchus tenerrimus, symphyotrichum squamatum