Hieracium rydbergii Zahn

Chicago citation style
Hieracium rydbergii Zahn. 31 Jul 1897. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_13126754&repo=DPLA. (Accessed November 14, 2018.)
APA citation style
(31 Jul 1897) Hieracium rydbergii Zahn. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_13126754&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_13126754&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.