Ephedra trifurca Torr

Chicago citation style
Ephedra trifurca Torr. 12 Jan 1999. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_13196203&repo=DPLA. (Accessed December 11, 2018.)
APA citation style
(12 Jan 1999) Ephedra trifurca Torr. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_13196203&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_13196203&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.