Kingdom: Plantas
Division: Bryophyta
Subdivision: Bryophytina
Class: Bryopsida
Order: Pottiales
Family: Pottiaceae
Genus: Pseudocrossidium
Common name: Hornschuch's beard-moss
Species name: Pseudocrossidium hornschuchianum (Schultz) R. H. Zander
Azorean endemic: No
Coordinator: Rosalina Gabriel