Kingdom: Plantas
Division: Bryophyta
Subdivision: Bryophytina
Class: Bryopsida
Order: Archidiales
Family: Archidiaceae
Genus: Archidium
Common name: Alternate leaf archidium moss
Species name: Archidium alternifolium (Hedw.) Schimp.
Azorean endemic: No
Coordinator: Rosalina Gabriel