''Callicladium'' is a

monotypic genus In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispe ...

mosses Mosses are small, non-vascular flowerless plants in the taxonomic division Bryophyta (, ) ''sensu stricto''. Bryophyta ('' sensu lato'', Schimp. 1879) may also refer to the parent group bryophytes, which comprise liverworts, mosses, and h ...

belonging to the family

Hypnaceae Hypnaceae is a large family of moss with broad worldwide occurrence in the class Bryopsida, subclass Bryidae and order Hypnales. Genera include ''Hypnum'', '' Phyllodon'', and '' Taxiphyllum''. Ecology Some of the family species occur on the flo ...

. The only species is ''Callicladium haldanianum''. The species was described by Howard Alvin Crum in 1971. Synonyms for the species: * ''Brachythecium weinmannii'' (Nees) Paris * ''Heterophyllium sikokianum'' Sakurai * ''Hypnum weinmannii'' Nees

References

{{Taxonbar, from1=Q17289966, from2=Q15579180 Hypnales Monotypic moss genera