Carex helleri Mack

Chicago citation style
Carex helleri Mack. 25 Jul 1936. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_13604528&repo=DPLA. (Accessed November 21, 2018.)
APA citation style
(25 Jul 1936) Carex helleri Mack. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_13604528&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_13604528&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.