anacyclus clavatus, arabidopsis thaliana, bromus tectorum, centaurea cyanus, draba verna, hypecoum imberbe, lolium rigidum, myosotis stricta, papaver dubium, roemeria argemone, silene conoidea, spergula pentandra, veronica triphyllos, bromus diandrus, buglossoides arvensis, camelina microcarpa, capsella bursa-pastoris, centaurea benedicta, coincya monensis, descurainia sophia, echium plantagineum, erodium cicutarium, holosteum umbellatum, logfia minima, neslia paniculata, polygonum aviculare, ranunculus arvensis, senecio gallicus, senecio vulgaris