Moerckiahibernica is the name of a species, part of the genus Moerckia.
This name is an alternative combination by Gottsche of an original description of species by Hook. under the rules of the International Code of Nomenclature for algae, fungi, and plants (ICN / commonly called the botany code)..
Moerckiahibernica (Hook.) Gottsche var. flotoviana (Nees) Hartm.