ELLIS, Christopher J. A Role for Lichens in Botanic Gardens?. Sibbaldia: the International Journal of Botanic Garden Horticulture, [S. l.], n. 6, p. 155–162, 2008. DOI: 10.24823/Sibbaldia.2008.40. Disponível em: https://journals.rbge.org.uk/rbgesib/article/view/40. Acesso em: 27 apr. 2024.