Guiry, M.D. & Guiry, G.M. (2026). AlgaeBase. World-wide electronic publication, National University of Ireland, Galway (taxonomic information republished from AlgaeBase with permission of M.D. Guiry). Ulva rigida C.Agardh, 1823. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=145990 on 2026-03-29
accepted
Valid name (ICZN) or name considered to be taxonomically correct (ICBN)
Species
Species algarum rite cognitae, cum synonymis, differentiis specificis et descriptionibus succinctis.
Agardh, C.A. (1823). Species algarum rite cognitae, cum synonymis, differentiis specificis et descriptionibus succinctis. Lund. 399-531.
Ulva armoricana sp. nov. (Ulvales, Chlorophyta) from the coasts of Brittany (France). I. Morphological identification
Dion, P.; Reviers, B. de; Coat, G. (1998). Ulva armoricana sp. nov. (Ulvales, Chlorophyta) from the coasts of Brittany (France). I. Morphological identification. European Journal of Phycology. 33: 73-80, 16 figs, 1 table.
A critical survey of European taxa in Ulvales, Part II. Ulva, Ulvaria, Monostroma, Kornmannia
Bliding, C. (1969 '1968'). A critical survey of European taxa in Ulvales, Part II. Ulva, Ulvaria, Monostroma, Kornmannia. Botaniska Notiser. 121: 535-629.
An annotated checklist and bibliography of the marine macroalgae of the Bermuda Islands
Schneider, C. W. (2003). An annotated checklist and bibliography of the marine macroalgae of the Bermuda Islands. Nova Hedwigia, 76(3-4): 275-361
Guiry, M.D. (2001). Macroalgae of Rhodophycota, Phaeophycota, Chlorophycota, and two genera of Xanthophycota, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 20-38
A checklist of marine fauna and flora of the Bay of Fundy
Linkletter, L. E. (1977). A checklist of marine fauna and flora of the Bay of Fundy. Huntsman Marine Laboratory, St. Andrews, N.B. 68: p.
NEAS keys to the benthic marine algae of the northeastern coast of North America from Long Island Sound to the
Sears, J.R. (ed.). 1998. NEAS keys to the benthic marine algae of the northeastern coast of North America from Long Island Sound to the Strait of Belle Isle. Northeast Algal Society. 163 p.
Fredericq, S., T. O. Cho, S. A. Earle, C. F. Gurgel, D. M. Krayesky, L. E. Mateo-Cid, A. C. Mendoza-González, J. N. Norris, and A. M. Suárez. 2009. Seaweeds of the Gulf of Mexico, Pp. 187–259 in Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. I. Biodiversity, pp. 187-259. Texas A&M Univ. Press.
Catalogue of the benthic marine algae of the Indian Ocean
Silva, P. C.; Basson, P. W.; Moe, R. L. (1996). Catalogue of the benthic marine algae of the Indian Ocean. University of California Publications in Botany. 79: 1-1259.
Guiry, M.D. & Guiry, G.M. (2026). AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. searched on YYYY-MM-DD.
Integrated Taxonomic Information System (ITIS)
Integrated Taxonomic Information System (ITIS).
microscope, location: Spain, Galicia, Ría de Coruña, 2007
microscope, location: Spain, Galicia, A Coruña, Barizo, 2002
Distribution for Ulva rigida C.Agardh, 1823 - European waters (ERMS scope)
Distribution for Ulva rigida C.Agardh, 1823 - Mediterranean Sea
Distribution for Ulva rigida C.Agardh, 1823 - North West Atlantic
Distribution for Ulva rigida C.Agardh, 1823 - Belgian Exclusive Economic Zone
Distribution for Ulva rigida C.Agardh, 1823 - Dutch Exclusive Economic Zone
Distribution for Ulva rigida C.Agardh, 1823 - Kenyan Exclusive Economic Zone
Distribution for Ulva rigida C.Agardh, 1823 - Mozambican Exclusive Economic Zone
Distribution for Ulva rigida C.Agardh, 1823 - Aldabra
Distribution for Ulva rigida C.Agardh, 1823 - Madagascar
Distribution for Ulva rigida C.Agardh, 1823 - Mauritian Exclusive Economic Zone
Distribution for Ulva rigida C.Agardh, 1823 - Réunion Exclusive Economic Zone
Distribution for Ulva rigida C.Agardh, 1823 - Seychellois Exclusive Economic Zone
Distribution for Ulva rigida C.Agardh, 1823 - Somali Exclusive Economic Zone
Distribution for Ulva rigida C.Agardh, 1823 - South Africa (country)
Distribution for Ulva rigida C.Agardh, 1823 - Gulf of Maine
Distribution for Ulva rigida C.Agardh, 1823 - Gulf of Mexico
Distribution for Ulva rigida C.Agardh, 1823 - Irish Exclusive economic Zone
Distribution for Ulva rigida C.Agardh, 1823 - Azores Exclusive Economic Zone
Distribution for Ulva rigida C.Agardh, 1823 - Israeli part of the Mediterranean Sea - Eastern Basin
Distribution for Ulva rigida C.Agardh, 1823 - Indian Ocean
Distribution for Ulva rigida C.Agardh, 1823 - Southern Ocean
Distribution for Ulva rigida C.Agardh, 1823 - Faroe Plateau
Distribution for Ulva rigida C.Agardh, 1823 - Temperate Southern Africa
Distribution for Ulva rigida C.Agardh, 1823 - Azores Canaries Madeira
Distribution for Ulva rigida C.Agardh, 1823 - Tropical Eastern Pacific
Distribution for Ulva rigida C.Agardh, 1823 - Arctic
Distribution for Ulva rigida C.Agardh, 1823 - Southern Norway
Distribution for Ulva rigida C.Agardh, 1823 - Northern Norway and Finnmark
Distribution for Ulva rigida C.Agardh, 1823 - Central Indo-Pacific
Distribution for Ulva rigida C.Agardh, 1823 - Temperate Northern Atlantic
Distribution for Ulva rigida C.Agardh, 1823 - Tropical Atlantic
Distribution for Ulva rigida C.Agardh, 1823 - Temperate South America
Distribution for Ulva rigida C.Agardh, 1823 - Celtic Seas
Distribution for Ulva rigida C.Agardh, 1823 - Eastern Indo-Pacific
Distribution for Ulva rigida C.Agardh, 1823 - Western Indo-Pacific
Distribution for Ulva rigida C.Agardh, 1823 - Temperate Australasia
Distribution for Ulva rigida C.Agardh, 1823 - Black Sea
Distribution for Ulva rigida C.Agardh, 1823 - North Sea
Distribution for Ulva rigida C.Agardh, 1823 - Temperate Northern Pacific
Distribution for Ulva rigida C.Agardh, 1823 - South European Atlantic Shelf
Distribution for Ulva scandinavica Bliding, 1969 - European waters (ERMS scope)
Distribution for Ulva scandinavica Bliding, 1969 - Mediterranean Sea
Distribution for Ulva scandinavica Bliding, 1969 - Belgian Exclusive Economic Zone
Distribution for Ulva scandinavica Bliding, 1969 - Boulogne, Digue du Nord
Distribution for Ulva scandinavica Bliding, 1969 - Dutch Exclusive Economic Zone
Distribution for Ulva scandinavica Bliding, 1969 - Oostende
Distribution for Ulva scandinavica Bliding, 1969 - Wimereux
Distribution for Ulva scandinavica Bliding, 1969 - Europe
Distribution for Ulva rigida f. tropica Jaasund, 1976 - Tanzanian Exclusive Economic Zone
Alien
Species introduced by man into places out of their natural range of distribution
Not specified
A species whose 'invasiveness' has not been specified in its introduced range. The species is known to be present and has been reported but there is no comment on its invasiveness
Reported
Species that are 'reported' to be present but with no further information
Taxon Description Paraphyletic group for Taxon denoted by name 144294
Taxon Description Paraphyletic group for Taxon denoted by name 144296
Taxon Description Reproductive frequency for Taxon denoted by name 144296
Taxon Description Gamete type for Taxon denoted by name 144294
Taxon Description Tolerance to pollutants for Taxon denoted by name 145990
Taxon Description Wave exposure for Taxon denoted by name 145990
Taxon Description Gametophyte arrangement for Taxon denoted by name 145990
Taxon Description Spawning for Taxon denoted by name 144296
Taxon Description Cytomorphology for Taxon denoted by name 144296
Taxon Description Spawning for Taxon denoted by name 144294
Taxon Description Cytomorphology for Taxon denoted by name 144294
Taxon Description Thallus vertical space used for Taxon denoted by name 144296
Taxon Description Gamete type for Taxon denoted by name 144296
Taxon Description Life span for Taxon denoted by name 145990
Taxon Description Zonation for Taxon denoted by name 145990
Taxon Description Calcification for Taxon denoted by name 144294
Taxon Description Asexual reproduction for Taxon denoted by name 144294
Taxon Description Environmental position for Taxon denoted by name 145990
Taxon Description Life cycle for Taxon denoted by name 145990
Taxon Description Body shape for Taxon denoted by name 144294
Taxon Description Body shape for Taxon denoted by name 144296
Taxon Description Generation time for Taxon denoted by name 144296
Taxon Description Calcification for Taxon denoted by name 144296
Taxon Description Asexual reproduction for Taxon denoted by name 144296
Taxon Description Body size for Taxon denoted by name 145990
Taxon Description Nomenclature code for Taxon denoted by name 3
Specification Context: Locality (MRGID) 1920
Specification Context: Unit mm
Specification Context: Type maximum
Specification Context: Dimension thallus length
Specification Context: Locality (MRGID) 5681
Specification Context: Locality (MRGID) 5696
Specification Context: Unit cm
Specification Context: Locality (MRGID) 4279