Pogonatumrutteri is the name of a species, part of the genus Pogonatum.
This name is an alternative combination by Dixon of an original description of species by Thér. & Dixon under the rules of the International Code of Nomenclature for algae, fungi, and plants (ICN / commonly called the botany code)..
Botany
Revisions
Atrichumrutteri Thér. & DixonAtrichumrutteri is the combination used by Thér. & Dixon in the original description of the species.