bromus tectorum, erigeron canadensis, poa annua, bromus hordeaceus, corispermum intermedium, festuca rubra, agrostis stolonifera, anthyllis vulneraria, arenaria serpyllifolia, carex arenaria, chenopodium album, diplotaxis tenuifolia, oenothera biennis, sedum acre, senecio vulgaris, sonchus oleraceus