hordeum vulgare, viola arvensis, apera spica-venti, aphanes arvensis, centaurea cyanus, geranium pusillum, papaver rhoeas, anthemis arvensis, arenaria serpyllifolia, elymus repens, myosotis arvensis, scleranthus annuus, capsella bursa-pastoris, convolvulus arvensis, dactylis glomerata, equisetum arvense, erodium cicutarium, lamium purpureum, lycopsis arvensis, roemeria argemone, silene latifolia, stellaria media, thlaspi arvense, veronica triphyllos, vicia hirsuta