This article from Science discusses a new species of crayfish (not just recently discovered, but an actual new species) that is self-cloning and highly invasive. It's not a weed, but it acts like one...
The House Science Committee will hold a hearing on: In Defense of Scientific Integrity: Examining the IARC Monograph Programme and Glyphosate Review Tuesday, February 6 at 10 a.m. (E.S.T) Witnesses: Dr.
Dear California weeders, I organized a symposium on the business of weed control at last week's WSSA meeting which contrasted the state of the agrochemical industry with engineering companies that are developing automated weed removal technology.
I visited an onion field where I saw this interesting emergence pattern with annual bluegrass (Poa annua L.). Onion beds are listed in east-west orientation (as seen in pictures). We can see annual bluegrass emergence only on the south facing slopes and none on bed-tops or north facing slopes.
