polycarpon tetraphyllum, poa annua, trisetaria aurea, clinopodium nepeta, erigeron annuus, hordeum murinum, hypochaeris cretensis, oxalis corniculata, petrorhagia saxifraga, plantago coronopus, plantago lanceolata, sagina apetala, silene gallica, sonchus oleraceus, verbascum pulverulentum