As classified in WFO snapshot
December 2022
Warning: older classification
variety
Ptychostomum compactum var. rutheanum
This variety name was first published in J. Bryol. 29: 119. 2007.
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-0001214352.