Petasites frigidus var. palmatus (Aiton) Cody

Chicago citation style
Petasites frigidus var. palmatus (Aiton) Cody. Jun 1902. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12966497&repo=DPLA. (Accessed October 22, 2018.)
APA citation style
(Jun 1902) Petasites frigidus var. palmatus (Aiton) Cody. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12966497&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12966497&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.