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Taxon: Helianthus petiolaris Nutt. var. canescens A. Gray

Synonym of Helianthus niveus (Benth.) Brandegee subsp. canescens (A. Gray) Heiser

 
Genus: Helianthus
Family: Asteraceae (alt.Compositae)
Subfamily: Asteroideae
Tribe: Heliantheae
Nomen number: 409209
Place of publication: Pl. wright. 1:108. 1852 (Smithsonian Contr. Knowl. 3, Art. 5)
Link to protologue:
Name Verified on: 20-Aug-1997 by ARS Systematic Botanists.
Accessions: 0 (0 active, 0 available) in National Plant Germplasm System

References:

  1. FNA Editorial Committee. 1993-. Flora of North America. Note: molecular and morphological data appear to favor placement in Helianthus petiolaris Nutt.
  2. Heiser, C. B., Jr. et al. 1969. The North American sunflowers (Helianthus). Mem. Torrey Bot. Club 22(3):44.

Check other web resources for Helianthus petiolaris Nutt. var. canescens A. Gray :

  • 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.

Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2020. Germplasm Resources Information Network (GRIN-Taxonomy).
National Germplasm Resources Laboratory, Beltsville, Maryland. URL: https://npgsweb.ars-grin.gov/gringlobal/taxonomydetail.aspx?id=409209. Accessed 6 August 2020.