Xanthisma texanum subsp. drummondii (Torr. & A. Gray) Semple

Chicago citation style
Xanthisma texanum subsp. drummondii (Torr. & A. Gray) Semple. 7 Jun 1964. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12689696&repo=DPLA. (Accessed November 21, 2018.)
APA citation style
(7 Jun 1964) Xanthisma texanum subsp. drummondii (Torr. & A. Gray) Semple. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12689696&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12689696&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.