
![Plumeless Thistle [Carduus acanthoides] Plumeless Thistle [Carduus acanthoides]](/images/August/Red/thumbnail_IMG_6509.jpg)
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