Helenium pinnatifidum (Schwein. ex Nutt.) Rydb

Chicago citation style
Helenium pinnatifidum (Schwein. ex Nutt.) Rydb. 8 Mar 1984. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12951992&repo=DPLA. (Accessed November 17, 2018.)
APA citation style
(8 Mar 1984) Helenium pinnatifidum (Schwein. ex Nutt.) Rydb. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12951992&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12951992&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.