Macruropyxis fraxinionFraxinus rhynchophylla: Confirmation in the Korean Peninsula after 82 Years and the First Record in South Korea

Macruropyxis fraxinihas been recorded on several species ofFraxinusin China, Japan, Russia (Far East), and North Korea since its first recorded observation as a rust fungus onF. rhynchophyllain Jilin, China, in 1899. In the Korean Peninsula, the rust fungus was first recorded onF. rhynchophyllain 1935, based on four specimens collected at Mt. Kumgangsan, Gangwondo Province, in the North Korean territory. We confirmed this rust in the Korean Peninsula after 82 years. The rust fungus was identified based on morphological characteristics and a molecular phylogenetic analysis. This is the first record ofM. fraxiniin South Korea.