agrostis vinealis, ceratodon purpureus, holcus lanatus, aira caryophyllea, aira praecox, cerastium holosteoides, logfia minima, corynephorus canescens, festuca filiformis, polytrichum piliferum, rumex acetosella, achillea millefolium, artemisia vulgaris, erigeron canadensis, hypericum perforatum, hypochaeris radicata, senecio inaequidens, trifolium repens