Machaeranthera sp

Chicago citation style
Machaeranthera sp. 6 Sep 1970. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12741067&repo=DPLA. (Accessed October 17, 2018.)
APA citation style
(6 Sep 1970) Machaeranthera sp. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12741067&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12741067&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.