There are no subordinate taxa for this species.
You can explore the higher classification on the right.
Nutt. (1818) In: Gen. N. Amer. Pl. 2: 251
GBIF Backbone Taxonomy. doi:10.15468/39omei
Accessed via http://www.gbif.org/species/2650621 on 2016-05-05
CC BY 3.0
This backbone name usage is included because it was found in another checklist at the time the backbone was built. The primary source name usage (116282517) has since been removed from the portal.
This record was last modified on Apr 13, 2016.