Alnus crispaSyn=A. viridus sinuata

Chicago citation style
Roger del Moral. Alnus crispa,Syn=A. viridus sinuata. 2001.00. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/plants/id/517. (Accessed June 23, 2018.)
APA citation style
Roger del Moral, (2001.00) Alnus crispa,Syn=A. viridus sinuata. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/plants/id/517
MLA citation style
Roger del Moral. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/plants/id/517>.
Note: These citations are programmatically generated and may be incomplete.