Orthodontiumgracile (Wilson) Schwägr. ex Bruch & Schimp.
Orthodontiumgracile is the name of a species, part of the genus Orthodontium.
This name is an alternative combination by Schwägr. ex Bruch & Schimp. of an original description of species by Wilson under the rules of the International Code of Nomenclature for algae, fungi, and plants (ICN / commonly called the botany code)..
Bryumgracile WilsonBryumgracile is the combination used by Wilson in the original description of the species.