Higher Classification: > Kingdom Plantae > Subkingdom Viridiplantae > Division Chlorophyta > Subdivision Chlorophytina > Class Ulvophyceae > Order Ulvales > Family Ulvaceae > Genus Ulva

Ulva rigida C.Agardh, 1823

Rank: Species
Taxon Status: accepted

Relationships towards this taxon

Genus group names

*Ulva*	Linnaeus, 1753	accepted genus name
*Enteromorpha*	Link, 1820	synonym
*Phycoseris*	Kützing, 1843	synonym

Species group names

*Ulva scandinavica*	Bliding, 1969	synonym

Vernaculars (+) (-)

Catalan: enciam de mar sources: Club d'immersió Facultat de Biologia, Universitat de Barcelona

Dutch: stijve zeesla sources: de Ruijter, E.; Schoenmaker, A. (Ed.) (1989). Zeeboek [The sea book]. 2nd revised ed. Jeugdbondsuitgeverij JBU / Stichting Uitgeverij KNNV: Utrecht, The Netherlands. ISBN 90-5107-007-1. 238 pp.

English: sea lettuce sources: Club d'immersió Facultat de Biologia, Universitat de Barcelona

French: laitues de mer

Spanish, Castillian: lechuga de mar

Literature

original description	Agardh, C.A. (1823). Species algarum rite cognitae, cum synonymis, differentiis specificis et descriptionibus succinctis. Lund. 399-531.
basis of record	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
additional source	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.
additional source	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.
additional source	Integrated Taxonomic Information System (ITIS).
additional source	Guiry, M.D. & Guiry, G.M. (2025). AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. searched on YYYY-MM-DD.
additional source	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.
additional source	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.

Genbank

Taxonomy

Published in AlgaeBase

Citation

Guiry, M.D. & Guiry, G.M. (2025). 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. Via: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvantidis, C.; Appeltans, W. (2011) European Register of Marine Species, Accessed through PESI at http://www.eu-nomen.eu/portal/taxon.php?GUID=urn:lsid:marinespecies.org:taxname:145990