Jisho

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Noun
1. Gymnosporangium rust (plant infection)
Wikipedia definition
2. GymnosporangiumGymnosporangium is a genus of heteroecious plant-pathogenic fungi which alternately infect members of the family Cupressaceae, primarily species in the genus Juniperus, and members of the family Rosaceae in the subfamily Maloideae. According to the Dictionary of the Fungi (10th edition, 2008), there are about 57 species in the genus.
Read “Gymnosporangium” on English Wikipedia
Read “赤星病” on Japanese Wikipedia
Read “Gymnosporangium” on DBpedia

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