Helianthus debilis subsp. sylvestris Heiser

Chicago citation style
Helianthus debilis subsp. sylvestris Heiser. 1891. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12807713&repo=DPLA. (Accessed November 18, 2018.)
APA citation style
(1891) Helianthus debilis subsp. sylvestris Heiser. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12807713&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12807713&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.