Cyperus compressus (Poorland Flatsedge) is a species of annual grass in the family sedges. It has a self-supporting growth form. It is associated with freshwater habitat. Poorland Flatsedge is native to U.S. Virgin Islands, Puerto Rico, the contiguous United States, Rio de Janeiro, Tocantins, Piauí, Pantanal, Goiás, Roraima, Cerrado, Alagoas, São Paulo, Sergipe, Minas Gerais, Pará, Rio Grande do Norte, Bahia, Espirito Santo, Mato Grosso do Sul, Amazônia, Caatinga, Acre (Brazil), Maranhao, Amapá, Distrito Federal, Amazônia, Pernambuco, Rondônia, Paraíba, Mato Grosso, Ceará, and Mata Atlântica. It has simple, broad leaves and green flowers. It is a photoautotroph. Individuals can grow to 1 feet.
EOL has data for 68 attributes, including: