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Baker, Marc. 2004. Phenetic analysis of Coryphantha, section Robustispina, part 1: stem characters. United States Forest Service (USFS) Regional Office, Albuquerque, NM. p. 22.

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U.S. Fish and Wildlife Service (USFWS). 2001. Annual notice of findings on recycled petitions. Federal Register 66:1295-1300.

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Hoofer, S. R., and R. A. Van Den Bussche. 2001. Phylogenetic relationships of plecotine bats and allies based on mitochondrial ribosomal sequences. Journal of Mammalogy 82:131-137.

Goldberg, S. R. 2001. Reproduction in the ground snake, Sonora semiannulata (Serpentes: Colubridae), from Arizona. Southwestern Naturalist 46:387-391.

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Cowie, R.H. 2001c. Invertebrate invasions on Pacific Islands and the replacement of unique native faunas: a synthesis of the land and freshwater snails. Biological Invasions 3: 119-136.

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Hardy, A. 2001. Agua Caliente Creek Stream Inventory Report, Camino Real Ranger District, Carson National Forest. USFS

Pratt, G.F. 2001. Survey for the Sacramento Mountains blue (Icaricia icarioides subspecies). Entomology Department, University of California. 26 p.

Unknown (2001) Summary of Fish Collections, Lower Gila River, New Mexico. Retrieved from Silver City Ranger District, Gila National Forest, USFS. 29 p.

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New Mexico Black-Tailed Prairie Dog Working Group. 2001. Intragency Conservation and Management Plan of Black-Tailed Prairie Dogs in New Mexico.

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Houston, C. S., and D. E. Bowen, Jr. 2001. Upland Sandpiper (Bartramia longicauda). In the Birds of North America, No. 580 (A. Poole and F. Gill, editors). The Birds of North America, Inc., Philadelphia, PA. 32pp.

Jagnow, D. 2001. Hibernating bat count at Torgac Cave. Report to Bureau of Land Management, 3 p.

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Grismer, L. L. 2001. Comments on the taxonomy of gopher snakes from Baja California. Mexico: a rely to Rodriguez-Robles and de Jesus-Escobar. Herpetological Review 32:81-82.

Stark, B.P. and J.W. Kyzar. 2001. Systematics of Nearctic Paraleuctra with description of a new genus (Plecoptera: Leuctridae). Tijdschrift voor Entomologie, 144: 119-135.

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Hardy, A. 2001. Sawmill Creek Stream Inventory Report, Questa Ranger District, Carson National Forest. USFS.

Unknown (2001) Mexican Spotted Owl Inventory and Monitoring Survey Site List, Lincoln Supervisor's Office, Lincoln National Forest, USFS. 11 p.

Reeder, T. W., and R. R. Montanucci. 2001. Phylogenetic analysis of the horned lizards (Phrynosomatidae: Phrynosoma): evidence from mitochondrial DNA and morphology. Copeia 2001:309-323.

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Paul, L.W. Fragua, S. (2001) Inventory Completion Report, Sensitive Plant Survey, Lincoln National Forest, Field Notes. Chrysothamnus nauseosus ssp. texensis (Rabbit Bush)

Sivinski, R. 2001. Endangered Plant Study. Sante Fe, NM: New Mexico Forestry Division; Performance and Progress Report E-9-15. 245p.

Ridgely, R. S. and P. J. Greenfield. 2001. The birds of Ecuador: Status, distribution, and taxonomy. Cornell University Press, Ithaca, NY, USA.

Ross, D. Prins, T. (2001) Sensitive Plant Site Report, Population Site Report, Lincoln National Forest, Field Notes. Guadalupe Ranger District, Lincoln National Forest, USFS. 8 p.

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Johnson, P.T.J., K. B. Lunde, R. W. Haight, J. Bowerman, and A. R. Blaustein. 2001. Ribeiroia ondatrae (Trematoda: Digenea) infection induces severe limb malformations in western toads (Bufo boreas). Canadian Journal of Zoology 79:370-379.

Houghton, D.C. 2001. Caddisfly (Trichoptera) records form the Apache National Forest, eastern Arizona. Entomological News, 112(2): 85-93.

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U.S. Fish and Wildlife Service (USFWS). 9 January 2001. Proposed rule to list the Dolly Varden as threatened in Washington due to similarity of appearance to bull trout. Federal Register 66:1628-1631.

Stone, P. A. 2001. Movements and demography of the Sonoran mud turtle, Kinosternon sonoriense. Southwestern Naturalist 46:41-53.

Kreiser, B. R., J. B. Mitton, and J. D. Woodling. 2001. Phylogeography of the plains killifish, Fundulus zebrinus. Evolution 55:339-350.

White, H.L. and W.C. Holmes. 2001. Validation of the name Orobanche ludoviciana ssp. multiflora (Orobanchaceae). Sida 19(3):623-624.

Hawks Aloft, Inc. 2001. Breeding Bird Surveys in the Albuquerque Field Office Area of the Bureau of Land Management. 57 p.

Ward, R. Meissener, J. Ross, D. Hewitt, A. Prinns, T. Fragua, A. (2001) Sensitive Plant Site Report, Population Site Report, Lincoln National Forest, Field Notes. Guadalupe Ranger District, Lincoln National Forest, USFS. 4 p.

Reid, D. M., D. M. Anderson, and B. A. Henderson. 2001. Restoration of Lake Trout in Parry Sound, Lake Huron. North American Journal of Fisheries Management 21:156-169.

Gill, F. B., R. A. Canterbury, and J. M. Confer. 2001. Blue-winged Warbler (Vermivora pinus). In A. Poole and F. Gill, editors, The Birds of North America, No. 584. The Birds of North America, Inc., Philadelphia, PA.

Drake, K. R., J. E. Thompson, K. L. Drake, and C. Zonick. 2001. Movements, habitat use, and sruvival of nonbreeding Piping Plovers. Condor 103:259-267.

Paul, L. Fragua, S. (2001) Inventory Completion Report, Sensitive Plant Survey, Lincoln National Forest, Field Notes. Chrysothamnus nauseosus ssp. texensis (Rabbit Bush). Guadalupe RD, Lincoln NF, USFS. 5 p.

Tellman, B. and R. Jemison. 2001. Riparian wetland research expertise directory. United States department of Agriculture.. 269 p.

Ross, D. Turner, R. (2001) Inventory Completion Report, Sensitive Plant Survey, Lincoln National Forest, Field Notes. Project Name: Echinocereus fendleri var. kuenzleri. Guadalupe Ranger District, Lincoln National Forest, USFS. 4 p.

Dinerstein, E., D. Olson, E. Dinerstein, D. Olson, J. Atchley, C. Loucks, S. Contreras-Balderas, R. Abell, E. Inigo, E. Enkerlin, C. Williams, and G. Castilleja. 2001. Chihuahuan Ecoregion-Based Conservation in the Chihuahuan Desert: A Biological Assessme

Clinton, William J. 2001. Executive Order- Responsibilities of Federal Agencies to Protect Migratory Birds. White House, Office of the Press Secretary. 6 p.