The following points highlight the five important genera of family pucciniaceae. The genera are: 1. Gymnosporangium 2. Hemileia 3. Phragmidium 4. Ravenalia 5. Uromyces. Genera # 1. Gymnosporangium: Represented by 57 species, the genus is restricted to temperate regions. Most of the species are heteroecious and demicyclic, the telial stage occurs on Gymnosperms while aecial […]