western ragweed

noun

Definition of western ragweed

: a coarse perennial ragweed (Ambrosia psilostachya) that resembles common ragweed but has perennial creeping roots

called also perennial ragweed

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Cite this Entry

“Western ragweed.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/western%20ragweed. Accessed 1 Dec. 2021.

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