Porophyllum ruderale (Jacq.) Cass. subsp. ruderale

Chicago citation style
Porophyllum ruderale (Jacq.) Cass. subsp. ruderale. 16 Jul 1981. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12866342&repo=DPLA. (Accessed December 15, 2018.)
APA citation style
(16 Jul 1981) Porophyllum ruderale (Jacq.) Cass. subsp. ruderale. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12866342&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12866342&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.