Picnomon is a genus of flowering plants in the tribe Cardueae within the family Asteraceae.Adanson, Michel. 1763. Familles des Plantes 2: 116, 590 in French; spelled "Picnomon" on page 116, "Piknomon" on page 590Tropicos, Picnomon Adans. The only known species is Picnomon acarna, native to Europe, Asia, and Africa from Portugal and the Canary Islands to Kazakhstan.
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