Heterotheca villosa var. angustifolia (Rydb.) V.L. Harms

Chicago citation style
Heterotheca villosa var. angustifolia (Rydb.) V.L. Harms. 19 Jun 1956. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12690967&repo=DPLA. (Accessed December 11, 2018.)
APA citation style
(19 Jun 1956) Heterotheca villosa var. angustifolia (Rydb.) V.L. Harms. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12690967&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhbotany_12690967&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.