festuca trachyphylla, arabidopsis thaliana, convolvulus arvensis, ornithopus perpusillus, rumex acetosella, scleranthus annuus, arenaria serpyllifolia, artemisia campestris, artemisia vulgaris, capsella bursa-pastoris, cerastium holosteoides, cerastium semidecandrum, digitaria ischaemum, erigeron canadensis, lamium amplexicaule, myosotis stricta, senecio vernalis, trifolium arvense, hypochaeris glabra, potentilla argentea