Fissidensrigidulus is the name of a species, part of the genus Fissidens.
This species has been described by Hook.f. & Wilson under the rules of the International Code of Nomenclature for algae, fungi, and plants (ICN / commonly called the botany code).
Botany
Online references
Taxonomy
Infraspecific ranks
Fissidensrigidulus Hook.f. & Wilson var. chilensis
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