Penstemon cardwellii

Chicago citation style
Roger del Moral. Penstemon cardwellii. 1980.00. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/plants/id/725. (Accessed July 16, 2018.)
APA citation style
Roger del Moral, (1980.00) Penstemon cardwellii. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/plants/id/725
MLA citation style
Roger del Moral. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/plants/id/725>.
Note: These citations are programmatically generated and may be incomplete.