Cirsium scariosum Nutt

Chicago citation style
Cirsium scariosum Nutt. 29 Jul 1919. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12972151&repo=DPLA. (Accessed October 18, 2018.)
APA citation style
(29 Jul 1919) Cirsium scariosum Nutt. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12972151&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12972151&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.