Porophyllum ruderale (Jacq.) Cass

Chicago citation style
Porophyllum ruderale (Jacq.) Cass. Feb 1867. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_10507225&repo=DPLA. (Accessed November 18, 2018.)
APA citation style
(Feb 1867) Porophyllum ruderale (Jacq.) Cass. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_10507225&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_10507225&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.