Cotyledonlinearifolius is the name of a species, part of the genus Cotyledon.
This species has been described by Franch. under the rules of the International Code of Nomenclature for algae, fungi, and plants (ICN / commonly called the botany code).
Botany
Revisions
Umbilicuslinearifolius Franch.Umbilicuslinearifolius is the combination used by Franch. in the original description of the species.