kingdom: Plantae >
subkingdom: Bryobiotina Trevis. >
phylum: Bryophyta Schimp. >
class: Bryopsida Ritgen >
subclass: Bryidae Engl. >
superorder: Hypnanae W.R. Buck, C.J. Cox, A.J. Shaw & Goffinet >
order: Hypnales W.R. Buck & Vitt >
family: Amblystegiaceae Kindb. >
genus: Hygroamblystegium Loeske >
species: Hygroamblystegium fluviatile (Hedw.) Loeske >