Tibisia is a genus of flowering plants belonging to the family Poaceae.

Its native range is the Caribbean (Cuba, Hispaniola, Bahamas, Puerto Rico, and the Leeward Islands) and French Guiana.

Species: Tibisia angustifolia (Nash) C.D.Tyrrell, Londoño & L.G.Clark – Cuba Tibisia farcta (Aubl.) C.D.Tyrrell, Londoño & L.G.Clark – Bahamas, Cuba, Hispaniola, Puerto Rico, Leeward Islands, and French Guiana Tibisia pinifolia (Catasús) C.D.Tyrrell, Londoño & L.G.Clark – Cuba

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