As classified in WFO snapshot
December 2023
Warning: older classification
subspecies
Bryum atropurpureum subsp. californicum
(Sull.) Kindb.
This subspecies name was first published in European and N. American Bryineae (Mosses). 2: 370. 1897
This subspecies name has been reclassified since this snapshot. Its current preferred usage is a synonym .