Agropyron subsecundum is a type of grass found in various parts of the world. The term Agropyron technically refers to the genus, while "subsecundum" is the species. However, there are many synonyms for this species, including the scientific name Elymus hansenii, as well as exotic names such as Gliadinus subsecundus or the more common Latin name Aegilops subsecundus. These synonyms are often used interchangeably with Agropyron subsecundum, making it easier to refer to this type of grass depending on the context. However, regardless of the name used, Agropyron subsecundum is a valuable and hardy grass with many uses in agriculture and landscaping.