little less persistent than glyphosate, so if the that gre it in a natural setting, it will be unvegetated sort of space for a while, that is longer than the ne.esouigne mans longer than the we ers would want, because it lets seeds come in and sprout that they mnsw not want there. but for many situations, it's the least toxic alternative. it's similar to amazzu to.o pee which is achio on the list. so that's one reason we're exploring that. it is also -- that was extensively reviewed as part of the project for the bay. they were loosenng for things they could actually use on water that would not disrupt aquatic systems and that was the only one that passed on that one. for the garland question, the reason that garland is still used in those parti ,lar situations, lisa can better address you, it doesn't affect grasses. statement they are products. and it is used in the grass. that is what we have been using on that. does not affect cool season grasses. it affects the other grass which is a warm season grass. this is why we use it. it does not harm the red fescue. and a similar kind of evalua