centaurea cyanus, medicago lupulina, apera spica-venti, arenaria serpyllifolia, bromus commutatus, buglossoides arvensis, camelina microcarpa, descurainia sophia, equisetum arvense, lysimachia arvensis, viola arvensis, convolvulus arvensis, delphinium consolida, polygonum aviculare, vicia hirsuta, vicia sativa