ceratodon purpureus, trifolium repens, plantago major, agrostis stolonifera, erigeron canadensis, matricaria discoidea, poa annua, scorzoneroides autumnalis, achillea millefolium, arenaria serpyllifolia, artemisia campestris, bryum argenteum, herniaria glabra, lolium pratense, poa compressa, veronica arvensis, viola arvensis