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Definition of the noun æcidium
What does æcidium mean as a name of something?
- [botany] The cupulate fruiting body borne upon the mycelium of certain fungi commonly parasitic upon specimina of the Compositæ, Labiatæ, Leguminosæ, and Ranunculaceæ families
- [mycology] A member of the form genus Aecidium.
æcidium a.k.a. Aecidium is a genus of rust fungi in the Pucciniales order. The widespread genus is estimated to contain about 600 species.
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