As classified in WFO snapshot
July 2018
Warning: older classification
subspecies
Asclepias tuberosa subsp. tuberosa
This subspecies name was first published in Ann. Missouri Bot. Gard. 31: 368. 1944
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-0001104466.