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
The content of the "Default citation" depends on the metadata supplied by the publisher. In some cases this may be incomplete.
(2016). GBIF Backbone Taxonomy. GBIF Secretariat. Checklist Dataset http://doi.org/10.15468/39omei accessed via GBIF.org on 2017-04-30.
This record was last modified on Feb 14, 2017.