festuca trachyphylla, anthemis arvensis, aphanes arvensis, arenaria serpyllifolia, cerastium semidecandrum, elymus repens, scleranthus annuus, viola arvensis, arabidopsis thaliana, artemisia campestris, capsella bursa-pastoris, convolvulus arvensis, draba verna, erigeron canadensis, myosotis arvensis, roemeria argemone, rumex acetosella, senecio vernalis, silene latifolia, trifolium arvense, veronica arvensis, veronica triphyllos, vicia lathyroides