As classified in WFO snapshot
December 2022
Warning: older classification
variety
Solidago speciosa var. rigidiuscula
This variety name was first published in Fl. N. Amer. 2(2): 205 (1842)
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-0000077000.