ash rust

noun

Definition of ash rust

: a rust disease of ash trees caused by a fungus (Puccinia peridermiospora)

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History and Etymology for ash rust

ash entry 1

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Cite this Entry

“Ash rust.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ash%20rust. Accessed 27 Nov. 2021.

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