Archidium hallii (Hall's Archidium Moss) is a species of plants in the family Archidiaceae. They are native to Pampa, Rio Grande Do Sul, Santa Catarina, and Mata Atlântica. Individuals can grow to 5 mm.
Definition: The institution that holds a type specimen for a given species. The recommended best practice is to use the identifier in a collections registry such as the Biodiversity Collections Index (http://www.biodiversitycollectionsindex.org/).