Attributes / relations provided by
♦ 1i-Tree Species v. 4.0, developed by the USDA Forest Service's Northern Research Station and SUNY-ESF using the Horticopia, Inc. plant database.
♦ 2USDA Plants Database, U. S. Department of Agriculture
♦ 3Plants For A Future licensed under a
Creative Commons Attribution 4.0 License♦ 4Wood Janka Hardness Scale/Chart J W Morlan's Unique Wood Gifts
♦ 5Forest Inventory and Analysis DB version 5.1, May 4, 2013, U.S. Forest Service
♦ 6Balda, Russell P. and Kamil, Alan,
Linking Life Zones, Life History Traits, Ecology, and Spatial Cognition in Four Allopatric Southwestern Seed Caching Corvids (2006). Papers in Behavior and Biological Sciences. Paper 36.
♦ 7Negron, Jose F. 1995.
Cone and Seed Insects Associated with Piñon Pine. In: Shaw, Douglas W.; Aldon, Earl F.; LoSapio, Carol, technical coordinators. Desired future conditions for piñon- juniper ecosystems: Proceedings of the symposium; 1994 August 8-12; Flagstaff, AZ. Gen. Tech. Rep. RM-258. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station: 97-106.
♦ 8HOSTS - a Database of the World's Lepidopteran Hostplants Gaden S. Robinson, Phillip R. Ackery, Ian J. Kitching, George W. Beccaloni AND Luis M. Hernández
♦ 9Ben-Dov, Y., Miller, D.R. & Gibson, G.A.P.
ScaleNet 4 November 2009
♦ 10Spermophilus variegatus, Emily C. Oaks, Paul J. Young, Gordon L. Kirkland, Jr., and David F. Schmidt, MAMMALIAN SPECIES No. 272, pp. 1-8 (1987)
♦ 11Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014).
Global Biotic Interactions: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics.
♦ 12Food Habits of Rodents Inhabiting Arid and Semi-arid Ecosystems of Central New Mexico, ANDREW G. HOPE AND ROBERT R. PARMENTER, Special Publication of the Museum of Southwestern Biology, NUMBER 9, pp. 1–75 (2007)
♦ 13DIET AND TREE USE OF ABERTS SQUIRRELS (SCIURUS ABERTI) IN A MIXED-CONIFER FOREST, ANDREW J. EDELMAN AND JOHN L. KOPROWSKI, THE SOUTHWESTERN NATURALIST 50(4):461465 DECEMBER 2005
♦ 14Tamias cinereicollis, Clayton D. Hilton and Troy L. Best, MAMMALIAN SPECIES No. 436, pp. 1-5 (1993)
♦ 15Tamias panamintinus, Troy L. Best, Robin G. Clawson, and Joseph A. Clawson, MAMMALIAN SPECIES No. 468, pp. 1-7 (1994)
♦ 16Tamias rufus, Stephanie L. Burt and Troy L. Best, MAMMALIAN SPECIES No. 460, pp. 1-6 (1994)