euphorbia maculata, tragus racemosus, barbula unguiculata, cynodon dactylon, eragrostis minor, gemmabryum caespiticium, clinopodium nepeta, didymodon rigidulus, digitaria ischaemum, eleusine tristachya, eragrostis pilosa, erigeron canadensis, petrorhagia saxifraga, polycarpon tetraphyllum, portulaca oleracea