⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-35119298, with some changes.
This name is a synonym of Calliergon richardsonii .
The record derives from Tropicos which reports it as a synonym (record 35119298
) with original publication details: Man. Mosses N. America 404 404 1884.