Abstract
The Myrtaceae plant family includes around 5,500 species, among them eucalyptus (Eucalyptus spp.), which stands out due to its economic importance for forestry. With 75% of global production, Brazil is the world's largest producer of eucalyptus. The spread of eucalyptus outside its natural habitat has led to the adaptation of several fungal species, including Austropuccinia psidii, the ca…