Weeds such as burdock, giant ragweed, common ragweed, thistle, cockleburr, jimson, blue vervain, common milk weed, wild carrot, poison ivy, wild mustard, rough pigweed, lambsquarter, wild lettuce, curled dock, smart weeds (all varieties), poison hemlock, wild hemp, marihuana or other weeds of a noxious variety, found growing in any lot or tract of land in the City, are hereby declared to be a nuisance, and no person shall permit any such weeds to grow or remain in any such place.