Symphyotrichum cordifolium subsp. cordifolium (L..) G.L. Nesom

Chicago citation style
Symphyotrichum cordifolium subsp. cordifolium (L..) G.L. Nesom. 8 Oct 1899. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12736282&repo=DPLA. (Accessed December 11, 2018.)
APA citation style
(8 Oct 1899) Symphyotrichum cordifolium subsp. cordifolium (L..) G.L. Nesom. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12736282&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12736282&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.