Pityrogramma trifoliata (L.) R.M. Tryon

Chicago citation style
Pityrogramma trifoliata (L.) R.M. Tryon. Oct 1912. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12328141&repo=DPLA. (Accessed November 16, 2018.)
APA citation style
(Oct 1912) Pityrogramma trifoliata (L.) R.M. Tryon. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12328141&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12328141&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.