Ambrosia polystachya DC

Chicago citation style
Ambrosia polystachya DC. 21 Nov 1990. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12996808&repo=DPLA. (Accessed December 10, 2018.)
APA citation style
(21 Nov 1990) Ambrosia polystachya DC. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12996808&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12996808&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.