PP-256, a 6-page illustrated fact sheet by Philip F. Harmon, Carrie L. Harmon, Aaron J. Palmateer, Stephen H. Brown, presents information on four representative rust diseases of ornamentals, including gladiolus rust, daylily rust, frangipani rust, and guava rust. Includes references. Published by the UF Department of Plant Pathology, May 2009.
http://edis.ifas.ufl.edu/PP172