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Weed control, management, ecology, and minutia
Comments:
by Steve Kelem
on September 14, 2015 at 3:45 PM
Thanks for the heads up. Can you post a better picture (or more pictures) and more info on how to identify stinkwort?
Reply by Brad Hanson
on September 15, 2015 at 8:01 AM
Steve,  
There's a good weed ID tool at the Weed Research and Information Center that can help ID this and other weeds. Here's a URL.  
http://weedid.wisc.edu/ca/  
 
Also, there was a good article on this particular weed in CA in the journal "California Agriculture" in June 2013 by Brownsey, Kyser, and DiTomaso (Cal Ag volume 67, pages 110-115). Here's a link for that: http://californiaagriculture.ucanr.org/landingpage.cfm?article=ca.v067n02p110&fulltext=yes
by carol
on December 28, 2015 at 7:43 AM
i believe that i may have stinkwort; it has an irregular or lacey shaped leaf; becomes established in late summer; has thousands of cream or gold colored seeds and then stickery growths that turn purple or dark burgundy; large thick roots that extend horizontally in mature plants. I have sprayed twice during the late summer with round-up and weed begone combined with amonia and soap; but they return again. They have a strong chemical smell when disturbed.
by Frank Kirkpatrick
on October 7, 2022 at 10:14 AM
Interested in its origin, I assume it’s not Native to California
Reply by Gale Perez
on October 7, 2022 at 10:57 AM
Hi Frank,  
The article (by Brownsey, Kyser, and DiTomaso) that Brad Hanson mentioned in his response has some good information. Here is the pdf: https://calag.ucanr.edu/archive/?type=pdf&article=ca.v067n02p110.
 
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