Microthamniumexpallescens is the name of a species, part of the genus Microthamnium.
This name is an alternative combination by A.Jaeger of an original description of species by Hampe under the rules of the International Code of Nomenclature for algae, fungi, and plants (ICN / commonly called the botany code)..
Botany
Revisions
Chryso-Hypnumexpallescens HampeChryso-Hypnumexpallescens is the combination used by Hampe in the original description of the species.