Albugo ipomoeae-panduratae, or white rust, is an oomycete plant pathogen, although many discussions still treat it as a fungal organism. It causes leaf and stem lesions on various Ipomoea species, including cultivated morning glories and their relatives.
Pagani, Ana Pauli S.; Dianese, Alexei C.; Inacio, Carlos A.; Cafe-Fihlo, Adalberto Correa (January 2012). "Occurrence of White Rust (Albugo ipomoeae-panduratae) on Ipomoea acuminata in the Brazilian Mid-West". Brazilian Journal of Microbiology. 43 (1): 306–308. doi:10.1590/s1517-83822012000100036. PMC 3768977. PMID 24031833.