As classified in WFO snapshot
May 2019
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 | 1901 | — | wfo-0000060338 | |
| Helianthus nuttallii var. rydbergii | 74 1972 | wfo-0000104356 |