Sonoran Desert Research Center

In cooperation with the University of Arizona School of Natural Resources

U.S. Geological Survey
Open-File Report 2006-1163
version 1.0

Vascular Plant and Vertebrate Inventory of Montezuma Castle National Monument

By Cecilia A. Schmidt, Charles A. Drost, and William L. Halvorson


photo of dwelling up on the side of a cliff
Montezuma Castle NM file photo

Executive Summary

We summarize past inventory efforts for vascular plants and vertebrates at Montezuma Castle National Monument (NM) in Arizona. We used data from previous research to compile complete species lists for the monument and to assess inventory completeness.

There have been 784 species recorded at Montezuma Castle NM, of which 85 (11%) are non-native.

In each taxon-specific chapter we highlight areas of resources that contributed to species richness or unique species for the monument. Of particular importance are Montezuma Well and Beaver and Wet Beaver creeks and the surrounding riparian vegetation, which are responsible for the monument having one of the highest numbers of bird species in the Sonoran Desert Network of park units. Beaver Creek is also home to populations of federally-listed fish species of concern. Other important resources include the cliffs along the creeks and around Montezuma Well (for cliff and cave roosting bats).

Based on the review of past studies, we believe the inventory for most taxa is nearly complete, though some rare or elusive species will be added with additional survey effort. We recommend additional inventory, monitoring and research studies.

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For questions about the content of this report, contact Bill Halvorson

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