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Taxon: Helianthus microcephalus Torr. & A. Gray

 
Genus: Helianthus
Family: Asteraceae (alt.Compositae)
Subfamily: Asteroideae
Tribe: Heliantheae
Nomen number: 104310
Place of publication: Fl. N. Amer 2:329. 1842
Link to protologue:
Name Verified on: 08-Mar-2010 by ARS Systematic Botanists. Last Changed: 08-Mar-2010
Species priority site is: North Central Regional PI Station (NC7)
Accessions: 22 (14 active, 13 available) in National Plant Germplasm System (GoogleMap)

Common names:

  • small-head sunflower   - English
  • small-wood sunflower  (Source: F Ohio) - English
  • woodland sunflower  (Source: F NAmer) - English
  • småblommig solros  (Source: Kulturvaxtdatabas) - Swedish

Distributional Range:

    Native

    Northern America
    • NORTHEASTERN U.S.A.: United States [Connecticut, Indiana, Michigan (s.w.), New Jersey (n.), Ohio, Pennsylvania (w.), West Virginia]
    • NORTH-CENTRAL U.S.A.: United States [Illinois (s.), Minnesota, Missouri (s.e.)]
    • SOUTHEASTERN U.S.A.: United States [Alabama, Arkansas, District of Columbia, Florida (n.), Georgia (n.), Kentucky, Louisiana (s.e.), Maryland (Frederick Co.), Mississippi, North Carolina, South Carolina, Tennessee (http://tenn.bio.utk.edu/vascular/database/vascular-database.asp?CategoryID=Dicots&FamilyID=Asteraceae&GenusID=Helianthus&SpeciesID=microcephalus), Virginia (w.)]


References:

  1. Aldén, B., S. Ryman, & M. Hjertson Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource on www.skud.info). 2012 (Kulturvaxtdatabas)
  2. Brown, R. G. & M. L. Brown Herbaceous plants of Maryland. 1984 (HPl Mary)
  3. Browne, E. T. & R. Athey Vascular plants of Kentucky: an annotated checklist. 1992 (L Kentucky)
  4. Chester, E. W. et al. Atlas of Tennessee vascular plants. (Atlas Tenn)
  5. FNA Editorial Committee Flora of North America. (F NAmer)
  6. Gandhi, K. N. & R. D. Thomas Asteraceae of Louisiana. 1989 (Comp Louis)
  7. Heiser, C. B., Jr. et al. 1962. Species crosses in Helianthus: I. Diploid species (Brittonia) 14:137-147.
  8. Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus) Mem. Torrey Bot. Club 22(3):169-173.
  9. Ohio Flora Committee (E. L. Braun, T. S. Cooperrider, T. R. Fisher, J. J. Furlow) The vascular flora of Ohio. (F Ohio)
  10. Radford, A. E. et al. Manual of the vascular flora of the Carolinas. (F Carolin)
  11. Radford, A. E. et al., eds. Vascular flora of the southeastern United States. (F SE US)
  12. Rogers, C. E. et al. 1982. Sunflower species of the United States 54.
  13. Smith, E. B. Keys to the flora of Arkansas. (F Arkansas Key)
  14. Strausbaugh, T. D. & E. L. Core Flora of West Virginia, ed. 2. (F WVa)
  15. 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.
  16. Townsend, J., ed. South Carolina plant atlas (on-line resource). (Atlas SCarol)
  17. Voss, E. Michigan flora. (F Mich)
  18. Wherry, E. T. et al. Atlas of the flora of Pennsylvania. (Atlas Penn)

Check other web resources for Helianthus microcephalus Torr. & A. Gray :

  • Flora of North America: Collaborative Floristic Effort of North American Botanists
  • PLANTS: USDA-NRCS Database of Plants of the United States and its Territories
  • BONAP North American Plant Atlas of the Biota of North America Program:
  • TROPICOS: Nomenclatural and Specimen Database of the Missouri Botanical Garden
  • ePIC: Electronic Plant Information Centre of Royal Botanic Gardens, Kew
  • AGRICOLA: Article Citation Database or NAL Catalog of USDA's National Agricultural Library
  • Entrez: NCBI's search engine for PubMed citations, GenBank sequences, etc.
  • PubAg: USDA's National Agricultural Library database of full-text journal articles and citations on the agricultural sciences.

Images:

  • Habit: USDA/ARS Sunflower Research Unit
  • Habit: USDA/ARS Sunflower Research Unit

Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2018. Germplasm Resources Information Network (GRIN-Taxonomy).
National Germplasm Resources Laboratory, Beltsville, Maryland. URL: https://npgsweb.ars-grin.gov/gringlobal/taxonomydetail.aspx?id=104310. Accessed 17 November 2018.