Spartina michauxiana Hitchc.

Native Range

• CAN:  Alberta, British Columbia, Manitoba, New Brunswick, Newfoundland, Northwest Territorie, Ontario, Prince Edward I., Québec, Saskatchewan
• USA:  Arkansas, Colorado, Connecticut, Delaware, District of Columbia, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, Montana, Nebraska, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode I., South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming