chaenorhinum minus, chenopodium album, equisetum arvense, convolvulus arvensis, agrostis gigantea, arenaria serpyllifolia, bidens tripartita, bromus hordeaceus, bromus tectorum, capsella bursa-pastoris, descurainia sophia, fallopia convolvulus, linaria vulgaris, medicago lupulina, polygonum aviculare, rumex acetosella, senecio vernalis, setaria viridis, trifolium medium