Ulva acanthophora

{{Short description|Species of alga}}

{{Speciesbox

|genus = Ulva

|species = acanthophora

|authority = (Kützing) Hayden, Blomster, Maggs, P.C. Silva, Stanhope & J.R. Waaland, 2003

|synonyms =

• Enteromorpha acanthophora Kützing, 1849
• Enteromorpha ramulosa var. acanthophora (Kützing) V.J.Chapman, 1956

}}

Ulva acanthophora is a species of benthic subtropical seaweed in the Ulvaceae family that can be found in California and Mexico.{{cite web|url= http://www.algaebase.org/search/species/detail/?species_id=63125&-session=abv4:42F9471B07be039536YhW193AA6B|author=Hayden, H.S. |author2=Blomster, J. |author3=Maggs, C.A. |author4=Silva, P.C. |author5=Stanhope, M.J. |author6=Waaland, J.R.|year=2003|title=Linnaeus was right all along: Ulva and Enteromorpha are not distinct genera|publisher=European Journal of Phycology|volume=38|pages=277–294}}