Italian thistle

noun

Definition of Italian thistle

: a hoary thistle (Carduus pycnocephalus) native to the Mediterranean region but established as a weed in the southwestern U.S.

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“Italian thistle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Italian%20thistle. Accessed 16 Jan. 2021.

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