Acknowledgements

Thanks to Drs. Haroldo Cavalcante de Lima (Jardim Botânico do Rio de Janeiro) and Robert Allkin (Royal Botanic Gardens, Kew) for providing information on the ILDIS data standard and the Alice database system, to Dr. Eduardo Dalcin (Jardim Botânico do Rio de Janeiro) for earlier discussions of the ACACIA model and useful suggestions, and to Dr. Edinaldo Nelson dos Santos Silva (Instituto Nacional de Pesquisas da Amazânia) for continuing support and interest.