convolvulus arvensis, vicia hirsuta, agrostemma githago, bromus tectorum, centaurea cyanus, vicia sativa, viola arvensis, achillea virescens, arenaria serpyllifolia, campanula patula, galium spurium, geranium pusillum, medicago minima, potentilla argentea, agrostis stolonifera, arrhenatherum elatius, artemisia absinthium, bromus riparius, erigeron acris, erigeron canadensis, filago arvensis, melica ciliata, pilosella cymosa, secale cereale, tragopogon dubius, trifolium arvense, trifolium repens, chondrilla juncea