As classified in WFO snapshot
June 2024
Warning: older classification
subspecies
Helianthus nuttallii subsp. rydbergii
This subspecies name was first published in Brittonia 18: 77 (1966)
At the time of this classification snapshot, this subspecies name was accepted by WFO (placed as the accepted name of a taxon). Its description and other taxonomic data can be found on World Flora Online, id: wfo-0000082689.
Synonyms of Helianthus nuttallii subsp. rydbergii
| Name | Author | Protologue | Nomenclator | WFO link |
|---|---|---|---|---|
| Helianthus rydbergii | Man. Fl. N. States 993 (-994) (1901) | wfo-0000060338 | ||
| Helianthus nuttallii var. rydbergii | Phytologia 23: 74 (1972) | wfo-0000104356 |