Ferocactus viridescens var. littoralis Lindsay

Chicago citation style
Ferocactus viridescens var. littoralis Lindsay. 15 May 1960. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_2079581&repo=DPLA. (Accessed November 12, 2018.)
APA citation style
(15 May 1960) Ferocactus viridescens var. littoralis Lindsay. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_2079581&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_2079581&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.