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
♦ 6Evaluating Diet Composition of Pronghorn in Wind Cave National Park, South Dakota, CHRISTOPHER N. JACQUES, JARET D. SIEVERS, JONATHAN A. JENKS, CHAD L. SEXTON, and DANIEL E. RODDY, The Prairie Naturalist 38(4): December 2006, pp. 239-250
♦ 7Balda, 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.
♦ 8Biological Records Centre
Database of Insects and their Food Plants♦ 9HOSTS - a Database of the World's Lepidopteran Hostplants Gaden S. Robinson, Phillip R. Ackery, Ian J. Kitching, George W. Beccaloni AND Luis M. Hernández
♦ 10Ben-Dov, Y., Miller, D.R. & Gibson, G.A.P.
ScaleNet 4 November 2009
♦ 11Spermophilus lateralis, Molly A. Bartels and Doug P. Thompson, MAMMALIAN SPECIES No. 440, pp. 1-8 (1993)
♦ 12New Zealand Institute for Plant & Food Research
Plant-SyNZ database♦ 13Negron, 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.
♦ 14Jorrit 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.
♦ 15Neotoma cinerea, Felisa A. Smith, MAMMALIAN SPECIES No. 564, pp. 1-8 (1997)
♦ 16Oreamnos americanus, Chester B. Rideout and Robert S. Hoffman, MAMMALIAN SPECIES No. 63, pp. 1-6 (1975)
♦ 17Peromyscus boylii (Rodentia: Cricetidae), MATINA C. KALCOUNIS-RUEPPELL AND TRACEY R. SPOON, MAMMALIAN SPECIES 838:1–14 (2009)
♦ 18Sciurus arizonensis, Troy L. Best and Suzanne Riedel, MAMMALIAN SPECIES No. 496, pp. 1-5 (1995)
♦ 19Sciurus griseus, Leslie N. Carraway and B. J. Verts, MAMMALIAN SPECIES No. 474, pp. 1-7 (1994)
♦ 20Tamias amoenus, Dallas A. Sutton, MAMMALIAN SPECIES No. 390, pp. 1-8 (1992)
♦ 21Tamias cinereicollis, Clayton D. Hilton and Troy L. Best, MAMMALIAN SPECIES No. 436, pp. 1-5 (1993)
♦ 22Tamias ruficaudus, Troy L. Best, MAMMALIAN SPECIES No. 452, pp. 1-7 (1993)
♦ 23Tamias umbrinus (Rodentia: Sciuridae), JANET K. BRAUN, AUBREY A. JOHNSON, AND MICHAEL A. MARES, MAMMALIAN SPECIES 43(889):216–227 (2011)
♦ 24Tamiasciurus douglasii, Michael A. Steele, MAMMALIAN SPECIES No. 630, pp. 1-8 (1999)
♦ 25DIET 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