As classified in WFO snapshot
December 2023
latest classification for this taxon
variety
Erigeron petrophilus var. sierrensis
This variety name was first published in Phytologia 72(3): 198 (1992) (1992)
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-0001389899.