festuca trachyphylla, rumex acetosella, myosotis stricta, ornithopus perpusillus, scleranthus annuus, secale cereale, arabidopsis thaliana, capsella bursa-pastoris, draba verna, equisetum arvense, herniaria glabra, hypochaeris radicata, leontodon hispidus, plantago lanceolata, tanacetum vulgare, teesdalia nudicaulis, trifolium repens, viola arvensis, erigeron canadensis, senecio vernalis, trifolium dubium, vicia sativa, vicia villosa