Harebrain
Hardheads
Hardheads noun - A weedy perennial with tough wiry stems and purple flowers; native to Europe but widely naturalized.
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Hardheads and Harebrain. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/harebrain/hardheads
Harebrain & Hardheads. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/harebrain/hardheads>.
Hardheads or Harebrain. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/harebrain/hardheads.
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