Taxon:  Helenium amarum (Raf.) H. Rock var. amarum



Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2024. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://grin.devlab.cz/gringlobal/taxon/taxonomydetail.aspx?id=452333. Accessed 28 November 2024.