Attributes / relations provided by
♦ 1Derived from
Allergy-Free Gardening OPALS™, Thomas Leo Ogren (2000)
♦ 2USDA Plants Database, U. S. Department of Agriculture
♦ 3Kattge, J. et al. (2011b)
TRY - a global database of plant traits Global Change Biology 17:2905-2935
♦ 4Biological Records Centre
Database of Insects and their Food Plants♦ 5The Food-habits and Biology of Acrididae in an Old-field Community in Southeastern Michigan, S. K. Gangwere, F. C. Evans, and M. L. Nelson, The Great Lakes Entomologist, Vol. 9, No. 2 (1976)
♦ 6Robertson, C.
Flowers and insects lists of visitors of four hundred and fifty three flowers. 1929. The Science Press Printing Company Lancaster, PA.
♦ 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.