Apinagialongifolia is the name of a species, part of the genus Apinagia.
This name is an alternative combination by Van Royen of an original description of species by Tul. under the rules of the International Code of Nomenclature for algae, fungi, and plants (ICN / commonly called the botany code)..
Oenonelongifolia Tul.Oenonelongifolia is the combination used by Tul. in the original description of the species.