allium vineale, convolvulus arvensis, fallopia convolvulus, alyssum alyssoides, arenaria serpyllifolia, bromus commutatus, bromus tectorum, buglossoides arvensis, centaurea cyanus, chenopodium album, crepis foetida, delphinium consolida, erigeron acris, erigeron canadensis, erodium cicutarium, holosteum umbellatum, lolium rigidum, odontites luteus, trifolium arvense, veronica praecox