Summary
Place of publication:
Madroño 13:18. 1955
Verified:
04/14/1997
ARS Systematic Botanists.
Autonyms (not in current use), synonyms and invalid designations
Reference(s)
- FNA Editorial Committee. Flora of North America. 1993-
- Gleason, H. A. & A. Cronquist. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2. 1991
- McGregor, R. L. et al. (The Great Plains Flora Association). Flora of the Great Plains. 1986
- Pratt, D. B. & L. G. Clark. 2001. Amaranthus rudis and A. tuberculatus—one species or two? J. Torrey Bot. Soc. 128:292.
- Sauer, J. D. 1955. Revision of the dioecious amaranths. Madroño 13:5-46.
- Wherry, E. T. et al. Atlas of the flora of Pennsylvania. 1979
Common names
English
rough-fruit amaranth – rough-fruit water-hemp – tall water-hemp –
Distribution
| order_code | Status | Continent | Subcontinent | Country | State | Note |
| 1 | Native | Northern America | Eastern Canada | Canada | Ontario | |
| 1 | Native | Northern America | Eastern Canada | Canada | Prince Edward Island | |
| 1 | Native | Northern America | Eastern Canada | Canada | Quebec | |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Illinois | |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Iowa | |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Kansas | |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Minnesota | |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Missouri | |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Nebraska | |
| 1 | Native | Northern America | North-Central U.S.A. | United States | North Dakota | |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Oklahoma | |
| 1 | Native | Northern America | North-Central U.S.A. | United States | South Dakota | |
| 1 | Native | Northern America | North-Central U.S.A. | United States | Wisconsin | |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Connecticut | |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Indiana | |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Maine | |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Massachusetts | |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Michigan | |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | New Hampshire | |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | New Jersey | |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | New York | |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Ohio | |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Pennsylvania | |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | Vermont | |
| 1 | Native | Northern America | Northeastern U.S.A. | United States | West Virginia | |
| 1 | Native | Northern America | South-Central U.S.A. | United States | Texas | |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Arkansas | |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Delaware | |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Kentucky | |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Louisiana | |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Maryland | |
| 1 | Native | Northern America | Southeastern U.S.A. | United States | Tennessee | |
| 4 | Naturalized | Europe | | Europe | | |
| 4 | Naturalized | Northern America | | United States | | |
Native
Northern America
-
EASTERN CANADA:
Canada [Ontario, Prince Edward Island, Quebec]
-
NORTH-CENTRAL U.S.A.:
United States [Illinois, Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota, Oklahoma, South Dakota, Wisconsin]
-
NORTHEASTERN U.S.A.:
United States [Connecticut, Indiana, Maine, Massachusetts, Michigan, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Vermont, West Virginia]
-
SOUTH-CENTRAL U.S.A.:
United States [Texas]
-
SOUTHEASTERN U.S.A.:
United States [Arkansas, Delaware, Kentucky, Louisiana, Maryland, Tennessee]
Naturalized
Europe
Northern America
Cite as: USDA, Agricultural Research Service, National Plant Germplasm System.
2025. Germplasm Resources Information Network
(GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://ausgenebank.agriculture.vic.gov.au/gringlobal/taxon/taxonomydetail?id=408360.
Accessed 16 December 2025.