Centrostegia thurberi A. Gray ex Benth. in DC. var. thurberi

Chicago citation style
Centrostegia thurberi A. Gray ex Benth. in DC. var. thurberi. 1876. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_10142473&repo=DPLA. (Accessed December 13, 2018.)
APA citation style
(1876) Centrostegia thurberi A. Gray ex Benth. in DC. var. thurberi. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_10142473&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_10142473&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.