Classification
Kingdom: Plantae (2728)
Phylum: Tracheophyta (2642)
Class: Polypodiopsida (39)
Order: Polypodiales (37)
Family: Aspleniaceae (5)(family description)
Genus: Asplenium (5)
Epithet: ceterach L. (1)
Synonyms: Ceterach bivalens D.E.Mey., Ceterach officinarum Willd.
officinarum => of practical use to man; official species in commerce, especially for medicinal purposes