Flora of the Appleton-Whittell Research Ranch, Northeastern Santa Cruz County, Arizona
The first comprehensive checklist of the vascular plants of the Research Ranch. A second objective of this paper is to provide an evaluation of the floristic affinities of the plants occurring in the flora of the Research Ranch.
McLaughlin, S.P., E.L. Geiger, and J.E. Bowers. 2001. Flora of the Appleton-Whittell Research Ranch, northeastern Santa Cruz County, Arizona. Journal of the Arizona-Nevada Academy of Science 33(2):113-131.