Alexa imperatricis (R.H. Schomb.) Baill

Chicago citation style
Alexa imperatricis (R.H. Schomb.) Baill. 21 May 1964. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_10739620&repo=DPLA. (Accessed November 13, 2018.)
APA citation style
(21 May 1964) Alexa imperatricis (R.H. Schomb.) Baill. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_10739620&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_10739620&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.