Taxon:
Helianthus nuttallii Torr. & A. Gray subsp. rydbergii (Britton) R. W. Long
Summary
Place of publication:
Brittonia 18:77. 1966
Verified:
03/08/2010
ARS Systematic Botanists.
Autonyms (not in current use), synonyms and invalid designations
Reference(s)
- Cronquist, A. et al. 1972-. Intermountain flora. Note: = Helianthus giganteus L.
- FNA Editorial Committee. 1993-. Flora of North America. URL: http://floranorthamerica.org/
- Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):152-154.
- McGregor, R. L. et al. (The Great Plains Flora Association). 1986. Flora of the Great Plains.
- Rogers, C. E. et al. 1982. Sunflower species of the United States. 49.
Common names
English
Rydberg's sunflower –
Distribution
order_code | Status | Continent | Subcontinent | Country | State | Note |
1 | Native | Northern America | North-Central U.S.A. | United States | Iowa | |
1 | Native | Northern America | North-Central U.S.A. | United States | Minnesota | w. |
1 | Native | Northern America | North-Central U.S.A. | United States | Nebraska | n.-c. |
1 | Native | Northern America | North-Central U.S.A. | United States | North Dakota | |
1 | Native | Northern America | North-Central U.S.A. | United States | South Dakota | |
1 | Native | Northern America | Northwestern U.S.A. | United States | Colorado | |
1 | Native | Northern America | Northwestern U.S.A. | United States | Montana | n.e. |
1 | Native | Northern America | Western Canada | Canada | Alberta | s. |
1 | Native | Northern America | Western Canada | Canada | Manitoba | s. |
1 | Native | Northern America | Western Canada | Canada | Saskatchewan | s. |
Native
Northern America
-
WESTERN CANADA:
Canada [Saskatchewan (s.), Alberta (s.), Manitoba (s.)]
-
NORTH-CENTRAL U.S.A.:
United States [Iowa, Minnesota (w.), Nebraska (n.-c.), North Dakota, South Dakota]
-
NORTHWESTERN U.S.A.:
United States [Colorado, Montana (n.e.)]