Land Plants - invasive

Scots Thistle (Onopordum acanthium) on May 2, 2008

Submitter has sample

Description of specimen

matches descriptions in pertinent floras. I am a professional botanist frequently responsible for noxious surveys


Scotch thistle is known to be established in the area of your report and the Harney County Cooperative Weed Management partners have been working on controlling infestations in the area.

I am passing this information along to Jesse Barns the Harney County Weed Supervisor and Bonnie Rasmussen, ODA Weed Specialist, SE Oregon.

Thank you for your submission: Tim Butler, ODA Noxious Weed Control Progarm

Tim Butler
May 9, 2008, 7:58 a.m.