Taxon:  Helianthus occidentalis Riddell subsp. plantagineus (Torr. & A. Gray) Heiser



Summary
Genus:
Helianthus
Family:
Asteraceae (alt. Compositae)
Subfamily:
Asteroideae
Tribe:
Heliantheae
Nomen number:
104316
Place of publication:
Mem. Torrey Bot. Club 22(3):107.  1969
Verified:
03/08/2010 ARS Systematic Botanists.
Accessions:
17 (12  active, 12  available) in National Plant Germplasm System.  (Map it)
Other conspecific taxa
Helianthus occidentalis Riddell (7 active accession[s])
Helianthus occidentalis Riddell subsp. occidentalis (2 active accession[s])
Autonyms (not in current use), synonyms and invalid designations
Basionym
Helianthus occidentalis Riddell var. plantagineus Torr. & A. Gray

Images (2 total. Click on image for more.)
Habit

Conservation Status

Reference(s)
  1. FNA Editorial Committee. 1993-. Flora of North America.
  2. Gandhi, K. N. & R. D. Thomas. 1989. Asteraceae of Louisiana
  3. Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):107.
  4. Radford, A. E. et al., eds. 1980-. Vascular flora of the southeastern United States.
  5. Rogers, C. E. et al. 1982. Sunflower species of the United States 39.
  6. Smith, E. B. 1994. Keys to the flora of Arkansas.
  7. Timme, R. E. et al. 2007. High-resolution phylogeny for Helianthus (Asteraceae) using the 18S-26S ribosomal DNA external transcribed spacer. Amer. J. Bot. 94:1837-1852.
Common names
LanguageNameAlternate namenoteseqCitation
Englishbranching western sunflower  1Rogers, C. E. et al. 1982. Sunflower species of the United States 39.
EnglishShinner's sunflower  1FNA Editorial Committee. 1993-. Flora of North America.
Distribution
order_codeStatusContinentSubcontinentCountryStateNoteReference
1NativeNorthern AmericaSouth-Central U.S.A.United StatesTexas Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):107.
1NativeNorthern AmericaSoutheastern U.S.A.United StatesArkansasGarland Co.Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):107.
1NativeNorthern AmericaSoutheastern U.S.A.United StatesLouisianaBeauregard ParishGandhi, K. N. & R. D. Thomas. 1989. Asteraceae of Louisiana
Native
Northern America
  • SOUTHEASTERN U.S.A.: United States [Arkansas (Garland Co.), Louisiana (Beauregard Parish)]
  • SOUTH-CENTRAL U.S.A.: United States [Texas]

Reference(s)
  1. Gandhi, K. N. & R. D. Thomas. 1989. Asteraceae of Louisiana
  2. Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):107.
Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2026. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://npgstest.ars-grin.gov/gringlobal/taxon/taxonomydetail?id=104316. Accessed 14 April 2026.