Scotch Thistle

A spikey plant with small purple buds in a field of grass

Photo By/Credit

Brian Mihlbachler/USFWS

Media Usage Rights/License

Public Domain

Image

Scotch thistle, an example of an invasive noxious weed discovered at the US Air Force Academy.

Facility

Colorado Fish and Wildlife Conservation Office

Ecosystem

Mountain

Prairie

Species

Onopordum acanthium

Staff

Brian Mihlbachler

Subject tags

Biological control

Ecological restoration

Grasses

Grasslands

Habitat restoration

Plants

Resource management

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