As classified in WFO snapshot
March 2019
Warning: older classification
variety
Betula ermanii var. lanata
This variety name was first published in Nouv. Mém. Soc. Imp. Naturalistes Moscou 13(2): 122 (1861)
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-0000332528.