cotula australis, erigeron bonariensis, polycarpon tetraphyllum, galium murale, helichrysum luteoalbum, oxalis corniculata, plantago coronopus, poa annua, sonchus oleraceus, symphyotrichum squamatum, amaranthus deflexus, catapodium rigidum, erigeron karvinskianus, lepidium didymum, micromeria juliana, plantago major, sagina apetala, cynodon dactylon