Didymodonatrorubens is the name of a species, part of the genus Didymodon.
This name is an alternative combination by Broth. of an original description of species by Besch. under the rules of the International Code of Nomenclature for algae, fungi, and plants (ICN / commonly called the botany code)..
Botany
Revisions
Trichostomumatrorubens Besch.Trichostomumatrorubens is the combination used by Besch. in the original description of the species.