poa annua, hypnum cupressiforme, agrostis capillaris, rhytidiadelphus squarrosus, aira praecox, brachythecium albicans, cerastium semidecandrum, erodium cicutarium, rumex acetosella, scleranthus annuus, ceratodon purpureus, cynodon dactylon, draba verna, hypochaeris radicata, ornithopus perpusillus, polytrichum piliferum, sedum acre, veronica arvensis