Place of publication:
Proc. Amer. Acad. Arts 8:393. 1872 (J. Torrey in C. Wilkes, U.S. Expl. Exped., Phan. Pacif. N. Amer. 17:375. 1874)
Comment:
place of publication verified from original literature (K. Gandhi, pers. comm. via e-mail on 10 Aug 2015)