spergularia bocconei, catapodium rigidum, erigeron bonariensis, herniaria cinerea, malva parviflora, plantago coronopus, poa annua, polycarpon tetraphyllum, polygonum aviculare, arenaria serpyllifolia, lamarckia aurea, lobularia maritima, plantago lagopus, sherardia arvensis, sisymbrium irio