cynodon dactylon, barbula unguiculata, catapodium rigidum, polycarpon tetraphyllum, sagina apetala, arenaria leptoclados, erigeron canadensis, filago germanica, galium murale, gemmabryum caespiticium, herniaria glabra, petrorhagia saxifraga, plantago coronopus, poa annua, polycnemum majus, trisetaria aurea, veronica arvensis