Ulva rigida is a species of chlorophytes in the family Ulvaceae. It is native to Espirito Santo, Santa Catarina, Pernambuco, Bahia, Rio Grande do Sul, São Paulo, Rio de Janeiro, and Sergipe. It is a photoautotroph.

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EOL has data for 8 attributes, including:

Known occurrences, collected specimens and observations of Ulva rigida. View this species on GBIF