LIAO, B.-H.; WANG, X.-H. Plant functional group classifications and a generalized hierarchical framework of plant functional traits. African Journal of Biotechnology, [S. l.], v. 9, n. 54, p. 9208–9213, 2015. DOI: 10.4314/ajb.v9i54. Disponível em: https://www.ajol.info/index.php/ajb/article/view/125770. Acesso em: 30 sep. 2026.