portulaca oleracea, arenaria serpyllifolia, chaenorhinum minus, ceratodon purpureus, echinochloa crus-galli, eragrostis minor, gemmabryum caespiticium, veronica persica, viola arvensis, arabidopsis thaliana, bryum argenteum, crepis capillaris, erigeron annuus, erigeron canadensis, medicago lupulina, veronica serpyllifolia, calystegia sepium, lactuca serriola