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
♦ 5PLANTATT - Attributes of British and Irish Plants: Status, Size, Life History, Geography and Habitats, M. O. Hill, C. D. Preston & D. B. Roy, Biological Records Centre, NERC Centre for Ecology and Hydrology (2004)
♦ 6ECOFACT 2a Technical Annex - Ellenberg’s indicator values for British Plants, M O Hill, J O Mountford, D B Roy & R G H Bunce (1999)
♦ 7Forest Inventory and Analysis DB version 5.1, May 4, 2013, U.S. Forest Service
♦ 8Ecology of Commanster♦ 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
♦ 10Biological Records Centre
Database of Insects and their Food Plants♦ 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.
♦ 12Ben-Dov, Y., Miller, D.R. & Gibson, G.A.P.
ScaleNet 4 November 2009
♦ 13Influences of the feeding ecology on body mass and possible implications
for reproduction in the edible dormouse (Glis glis), Joanna Fietz, M. Pflug, W. Schlund, F. Tataruch, J Comp Physiol B (2005) 175: 4555
♦ 14New Zealand Institute for Plant & Food Research
Plant-SyNZ database♦ 15del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.).
Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.