Athyrium filix-femina subsp. angustatum (Willd.) R.T. Clausen

Chicago citation style
Athyrium filix-femina subsp. angustatum (Willd.) R.T. Clausen. 22 Jun 1926. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12451719&repo=DPLA. (Accessed December 13, 2018.)
APA citation style
(22 Jun 1926) Athyrium filix-femina subsp. angustatum (Willd.) R.T. Clausen. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12451719&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12451719&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.