saxifraga tridactylites, arabidopsis arenosa, bryum argenteum, ceratodon purpureus, equisetum arvense, erigeron canadensis, poa compressa, achillea millefolium, arenaria serpyllifolia, artemisia campestris, brachythecium albicans, capsella bursa-pastoris, cerastium holosteoides, convolvulus arvensis, euphorbia cyparissias, festuca rubra, melilotus albus, myosotis stricta, oenothera biennis, rumex acetosa, sedum acre, senecio vernalis, silene vulgaris, tragopogon dubius, vicia villosa, viola arvensis, erodium cicutarium