poa annua, trisetaria aurea, bryum argenteum, cynodon dactylon, polycarpon tetraphyllum, rosulabryum capillare, sagina apetala, barbula unguiculata, capsella rubella, crepis neglecta, erigeron canadensis, euphorbia maculata, gemmabryum caespiticium, plantago coronopus, sabulina viscosa, tortella flavovirens, veronica arvensis