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, bryum argenteum