North Fork Weed Cooperative

Musk Thistle Flower HeadSpecies: Musk thistle (Carduus nutans)

Growth Form: Biennial

Key Identifying Characteristics: large spiny bracts tending the flower head; deep green foliage; leaves with light colored mid-vein and margins

Reproduction: Seed

Seed Longevity: 10 or more years

Native To: Eurasia

Effective Control Methods: Mechanical; herbicide; biocontrol; anything that prevents seed production.

 


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