Agropyron Trachycaulum is a type of grass commonly found in the prairies of North America. This plant has several synonyms that have been used over time. Some of the most commonly used synonyms for Agropyron Trachycaulum include Elymus Trachycaulus, Thin-stolon wheatgrass, Tall wheatgrass, Prairie wheatgrass, and Thickspike wheatgrass. These synonyms are often used interchangeably to refer to the same plant. While they may differ in their origin, they all describe the same plant and can be used in botanical references or everyday conversation. It is important to note that regardless of which synonym is used, it is always referring to the same type of grass.