As classified in WFO snapshot
December 2023
latest classification for this taxon
variety
Penstemon rydbergii var. aggregatus
This variety name was first published in Brittonia 31: 106 (1979)
At the time of this classification snapshot, this variety 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-0001137128.
Synonyms of Penstemon rydbergii var. aggregatus
Name | Author | Protologue | Nomenclator | WFO link |
---|---|---|---|---|
Penstemon aggregatus | Contr. U.S. Natl. Herb. 20: 367 (1920) | wfo-0001138397 | ||
Penstemon rydbergii subsp. aggregatus | Amer. Midl. Naturalist 33: 158 (1945) | wfo-0001234597 |