Attributes / relations provided by
♦ 1Ellenberg, H., Weber, H.E., Dull, R., Wirth, V., Werner, W., Paulissen, D. (1991)
Zeigerwerte von Pflanzen in Mitteleuropa. Scripta Geobotanica 18, 1–248
♦ 2Kattge, J. et al. (2011b)
TRY - a global database of plant traits Global Change Biology 17:2905-2935
♦ 3Biological Records Centre
Database of Insects and their Food Plants♦ 4HOSTS - a Database of the World's Lepidopteran Hostplants Gaden S. Robinson, Phillip R. Ackery, Ian J. Kitching, George W. Beccaloni AND Luis M. Hernández