KOCIOLEK, John P.; STOERMER, Eugene F. Oligotrophy: the forgotten end of an ecological spectrum. Acta Botanica Croatica, [S. l.], v. 68, n. 2, 2009. Disponível em: https://www.abc.botanic.hr/index.php/abc/article/view/93. Acesso em: 26 mar. 2025.