Campylophyllum calcareum (Crundw. & Nyholm) Hedenäs
Campylophyllum calcareum is the name of a species, part of the genus Campylophyllum.
This name is an alternative combination by Hedenäs of an original description of species by Crundw. & Nyholm under the rules of the International Code of Nomenclature for algae, fungi, and plants (ICN / commonly called the botany code)..