Acmispon americanus (Nutt.) Rydb

Chicago citation style
Acmispon americanus (Nutt.) Rydb. 22 Jun 1916. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_13326658&repo=DPLA. (Accessed December 16, 2018.)
APA citation style
(22 Jun 1916) Acmispon americanus (Nutt.) Rydb. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_13326658&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_13326658&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.