Packera obovata var. rotundus Britton

Chicago citation style
Packera obovata var. rotundus Britton. 3 May 1941. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12955270&repo=DPLA. (Accessed November 19, 2018.)
APA citation style
(3 May 1941) Packera obovata var. rotundus Britton. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12955270&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12955270&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.