Classification
Kingdom: Plantae (2614)
Phylum: Pteridophyta (43)
Class: Polypodiopsida (35)
Order: Polypodiales (31)
Family: Aspleniaceae (4)
Genus: Asplenium (4)
Epithet: ceterach L. (1)
Synonym: Ceterach officinarum Willd.
officinarum => of practical use to man; official species in commerce, especially for medicinal purposes