Originally Posted by Plantculture
Your weed is probably Tropical Signalgrass. Drive does not work on it.
Tribute Total will work in Bermudagrass. I do not know how to control it in SA or zoysia. I encounter this weed more often than crabgrass in South Fl.
Post some picks.
Took a sample to the local UF office and sure enough it is Signalgrass. Apparently it's a bear to get under control.