anthoxanthum aristatum, apera spica-venti, arnoseris minima, centaurea cyanus, draba verna, fallopia convolvulus, geranium pusillum, myosotis stricta, persicaria lapathifolia, poa annua, polygonum aviculare, spergula arvensis, spergula morisonii, teesdalia nudicaulis, vicia sativa, viola arvensis