cynodon dactylon, andryala integrifolia, erigeron bonariensis, erodium moschatum, foeniculum vulgare, portulaca oleracea, calendula arvensis, clinopodium nepeta, convolvulus arvensis, corrigiola telephiifolia, daucus carota, digitaria sanguinalis, eragrostis barrelieri, euphorbia chamaesyce, hypochaeris radicata, reseda phyteuma, rumex bucephalophorus, sonchus tenerrimus, tolpis umbellata, tribulus terrestris