This 4-page document provides an overview of smutgrass biology, control, and general recommendations. Written by Brent Sellers, Neha Rana, José Luiz C. S. Dias, and Pratap Devkota, and published by the UF/IFAS Agronomy Department, revised October 2020.
https://edis.ifas.ufl.edu/aa261
Smutgrass is a serious weed of improved perennial grass pastures, roadsides, natural areas, and waste areas in Florida. A 2003 survey found that smutgrass was second only to tropical soda apple as the most problematic weed species in Florida pastures, but now that practices to control tropical soda apple have been widely adopted in Florida, smutgrass is likely the most problematic weed species in Florida pastures today. This 4-page fact sheet was written by Brent Sellers, J. A. Ferrell, and N. Rana, and published by the UF Department of Agronomy, January 2015. (Photo Credit: B. Sellers, UF/IFAS)
http://edis.ifas.ufl.edu/aa261