The dominant grasses (Poaceae) of the Cajun Prairie will be listed and the BRF (Best Recognizing features) for selected species/genera will be discussed and highlighted via pictures and drawings. The bluestems, big blue stem (Andropoogon gerardii), old field broomsedge (Andropogon virginicus), bushy broomsedge (Andropogon glomeratus), little bluestem (Schizachyrium scoparium) and slender bluestem (Schizachyrium tenerum), will be compared. The other large grasses, switch grass (Panicum virgatum), Indian grass (Sorghastrum nutans), and eastern gamma grass (Tripsacum dactyloides) will be discussed. Selected other grass genera (Muhly grass (Muhlenbergia), love grass (Eragrostis), Tridens, and three-awn grasses (Aristida) will be covered.