draba verna, holosteum umbellatum, stellaria media, veronica sublobata, veronica triphyllos, capsella bursa-pastoris, chenopodium album, cirsium arvense, delphinium consolida, fallopia convolvulus, spergula arvensis, thlaspi arvense, arabidopsis thaliana, convolvulus arvensis, descurainia sophia, erodium cicutarium, gagea pratensis, lamium amplexicaule, lamium purpureum, papaver rhoeas, poa annua, tripleurospermum inodorum, erigeron canadensis, oxalis stricta, roemeria argemone