text: bromus tectorum, eremopyrum triticeum, galium humifusum, medicago sativa, convolvulus arvensis, artemisia santonicum, cannabis sativa, descurainia sophia, elymus repens, eremopyrum orientale, leuzea repens, camphorosma monspeliaca, chorispora tenella, erigeron canadensis, phragmites australis, polygonum arenarium, solanum nigrum