Vicia nigricans subsp. gigantea Hook. & Arn

Chicago citation style
Vicia nigricans subsp. gigantea Hook. & Arn. 4 Sep 1911. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_13647347&repo=DPLA. (Accessed November 15, 2018.)
APA citation style
(4 Sep 1911) Vicia nigricans subsp. gigantea Hook. & Arn. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_13647347&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_13647347&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.