Urtica (Nettle) is a genus of herb in the family Urticaceae. They are native to Alaska, Canada, Saint-Pierre Et Miquelon, and The Contiguous United States. They have achenes. Individuals can grow to 12 m.
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/).