morphometrics

Baker, M. 2007. Defining populations of the Kuenzler's hedgehog cactus (Echinocereus fendleri var. kuenzleri). A multivariate study of morpological characters. Prescott College. Prescott, AZ. 30 pages.

• Echinocereus fendleri
• Echinocereus fendleri var. kuenzleri
• Lincoln National Forest
• taxonomic key
• morphometrics

Dragoo, J.W., J.R. Choate, T.L. Yates, and T.P. O'Farrell. 1990. Evolutionary and taxonomic relationships among North American arid-land foxes. Journal of Mammalogy. 71(3):318-332.

• Vulpex velos
• VULPES VELOX
• VULPES VELOX
• genetic analysis
• morphometrics
• swift fox