erigeron canadensis, rumex acetosella, elymus repens, trifolium arvense, chenopodium album, corynephorus canescens, draba verna, fallopia convolvulus, hypochaeris radicata, jasione montana, pilosella officinarum, scleranthus annuus, senecio vernalis, spergula arvensis, crepis tectorum, helichrysum arenarium, silene latifolia