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.
♦ 2Plants For A Future licensed under a
Creative Commons Attribution 4.0 License♦ 3Wood Janka Hardness Scale/Chart J W Morlan's Unique Wood Gifts
♦ 4Forest Inventory and Analysis DB version 5.1, May 4, 2013, U.S. Forest Service
♦ 5HOSTS - a Database of the World's Lepidopteran Hostplants Gaden S. Robinson, Phillip R. Ackery, Ian J. Kitching, George W. Beccaloni AND Luis M. Hernández
♦ 6Biological Records Centre
Database of Insects and their Food Plants♦ 7Jorrit 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.
♦ 8Oreamnos americanus, Chester B. Rideout and Robert S. Hoffman, MAMMALIAN SPECIES No. 63, pp. 1-6 (1975)
♦ 9Ben-Dov, Y., Miller, D.R. & Gibson, G.A.P.
ScaleNet 4 November 2009
♦ 10Tamiasciurus douglasii, Michael A. Steele, MAMMALIAN SPECIES No. 630, pp. 1-8 (1999)