Alexandergrass (Creeping Signalgrass)
Scientific Name - Brachiaria plantaginea
Family - Gramineae
Summer annual with prostrate, creeping smooth stem, rooting at nodes. Leaf blades usually smooth, flat and wide. Leaf sheath often with hairs on margin. Seedhead branches are spreading like "Signal flags" with seeds on underside. Occurring in turf and disturbed habitats. Reproduces by seed. Found in the peninsula of Florida, Georgia and isolated places in New Jersey, Pennsylvania and Hawaii. Also found in Mexico, Central America and South America. Native to Tropical America.