anthemis arvensis, convolvulus arvensis, achillea virescens, alyssum alyssoides, arenaria serpyllifolia, bromus tectorum, camelina microcarpa, capsella bursa-pastoris, centaurea cyanus, chenopodium album, erigeron canadensis, filago arvensis, galium spurium, roemeria argemone, scleranthus annuus, trifolium arvense, veronica hederifolia, vicia sativa, viola arvensis, chondrilla juncea, lycopsis arvensis, veronica verna