black knapweed (0 synonym found)

We don't have any synonyms for black knapweed yet.

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Definition of black knapweed:

(n) : a weedy perennial with tough wiry stems and purple flowers; native to europe but widely naturalized
Definition of black knapweed:

(n) : a weedy perennial with tough wiry stems and purple flowers; native to europe but widely naturalized
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