Spergularia (Sandspurry) is a genus of herb in the family carpetweeds. They are native to Greenland, Saint-Pierre Et Miquelon, Canada, Alaska, and The Contiguous United States. They have capsule fruit.
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/).