Names
- Scientific name
- Helianthus rydbergii
Taxonomy
- Taxonomic Rank
- Species
- Author
- Britton
- Publication
- Man. Fl. N. States 993 (-994) (1901)
- Synonym Of
-
Helianthus nuttallii subsp. rydbergii
References
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024