From the Invasive Plants in Southern California blog :: April 11, 2014 A few years ago it became apparent from conversations and emails that the use of Fusilade (fluazifop-P-butyl, manufactured by Syngenta Crop Protection), a herbicide that only kills grasses (Poaceae), was increasing among wildland...
I'm sure you've noticed that different years have dominant weed species. For example this year in Southern California Russian thistle (aka tumbleweed Salsola tragus among other Salsola species) is abundant in many areas.
Don't miss Clyde Elmore's photo exhibit Our Great Outdoors. If you attend Weed Day 2014 (July 10, 2014) you'll get a chance to see the exhibit. Our Great Outdoors July 7-Aug. 31, 2014 Buehler Alumni Center, UC Davis There will be a reception from 5-7 PM on July 11, 2014.
From the May 2014 Tulare County UC Cooperative Extension "Field Crop Notes" newsletter http://cetulare.ucanr.edu/newletters_898819/Field_Crop_Notes_692/?newsitem=51665 Managing Junglerice in Corn by Steve Wright and Carol Frate Introduction.
From the Invasive Plants in Southern California blog :: June 11, 2014 Preemergence herbicides for wildland weed control Kill weeds before they ever see the light of day; sounds great, doesn't it? That is what preemergence herbicides are for.