Almutaster is a North American genus of plants in the aster fammily containing the single species Almutaster pauciflorus (formerly Aster pauciflorus), which is known by the common name alkali marsh aster. It is native to Canada (Northwest Territories and the 3 Prairie Provinces, the western United States, and northern and central Mexico (as far south as Tlaxcala).

Almutaster is a North American genus of plants in the aster fammily containing the single species Almutaster pauciflorus (formerly Aster pauciflorus), which is known by the common name alkali marsh aster. It is native to Canada (Northwest Territories and the 3 Prairie Provinces, the western United States, and northern and central Mexico (as far south as Tlaxcala).