Polypodium polycarpon Cav. ex Sw

Chicago citation style
Polypodium polycarpon Cav. ex Sw. Feb 1968. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12587949&repo=DPLA. (Accessed November 21, 2018.)
APA citation style
(Feb 1968) Polypodium polycarpon Cav. ex Sw. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12587949&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12587949&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.