Ageratum corymbosum f. longipetiolatum (B.L. Rob.) M.F. Johnson

Chicago citation style
Ageratum corymbosum f. longipetiolatum (B.L. Rob.) M.F. Johnson. 8 Sep 1954. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12606503&repo=DPLA. (Accessed December 16, 2018.)
APA citation style
(8 Sep 1954) Ageratum corymbosum f. longipetiolatum (B.L. Rob.) M.F. Johnson. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12606503&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12606503&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.