As classified in WFO snapshot
December 2022
Warning: older classification
variety
Trichostomum aciculare var. aquaticum
(Brid. ex Schrad.) F. Weber & D. Mohr ex Brid.
This variety name was first published in Bryologia Universa. 1: 222. 1826
This variety name has been reclassified since this snapshot. Its current preferred usage is a synonym .