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Plumeless Thistle [Carduus acanthoides]

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Common Name: Plumeless Thistle
Scientic Name: Carduus acanthoides
Colors: Red
Months Appearing: August, September

Also called Spiny Plumeless Thistle. Non native. Considered invasive. Biennial.

Up to 6 feet tall. Strongly spiny. Deeply lobed leaves. 

Flowers: Several floer heads on end of stems. 1/2 to 1 inch.

Resembles Bull Thistle whose flowers are larger and leaves harrier.

Roadsides. weedy places, pastures. Remus Sewage Treatment Plant, Mecosta County, Michigan. 8/31, 6507, 6508, 6509