Paspalum vaginatum Sw.
Natural range: Worldwide in salty places
Habitat: Beaches, brackish shores (infrequently in fresh water)
Florida status: Native
Recognition: Grass of beaches and salty places. Spikes forming a Y, or with more than 2 axes, briefly pedunculate. Spikelets lanceolate or boat-shaped. Ligule with a band of long cilia behind a membrane.
Image 1: turf species is Seashore Paspalum