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 https://doi.org/10.15468/39omei accessed via GBIF.org on 2017-06-26.
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 (123868967) has since been removed from the portal.
This record was last modified on 14-Feb-2017.