Artemisia ludoviciana subsp. mexicana (Willd. ex Spreng.) D.D. Keck

Chicago citation style
Artemisia ludoviciana subsp. mexicana (Willd. ex Spreng.) D.D. Keck. Dec 1878. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_10144138&repo=DPLA. (Accessed November 21, 2018.)
APA citation style
(Dec 1878) Artemisia ludoviciana subsp. mexicana (Willd. ex Spreng.) D.D. Keck. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_10144138&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_10144138&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.