Ageratum is a genus of herb in the family Asteraceae. They are native to U.S. Virgin Islands, Puerto Rico, The Contiguous United States, and The Neotropics. They have achene. Individuals can grow to 1.9 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/).