potentilla argentea, brachythecium albicans, plantago lanceolata, veronica verna, arenaria serpyllifolia, erigeron canadensis, sagina procumbens, spergularia rubra, veronica arvensis, agrostis gigantea, anthemis cotula, artemisia absinthium, bromus hordeaceus, cerastium semidecandrum, poa annua, trifolium campestre, veronica triphyllos