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WoRMS name detailsLeathesia difformis Areschoug, 1847
144953 (urn:lsid:marinespecies.org:taxname:144953)
unaccepted (synonym)
Species
Laethesia difformis (Linnaeus) Areschoug · unaccepted (misspelling)
marine
Not documented
LSID urn:lsid:algaebase.org:taxname:103009
LSID urn:lsid:algaebase.org:taxname:103009 [details] Distribution Long Island Sound to Strait of Belle Isle
Distribution Long Island Sound to Strait of Belle Isle [details]
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). Leathesia difformis Areschoug, 1847. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=144953 on 2025-07-14
Date action by 2015-06-26 12:00:51Z changed db_admin Copyright notice: the information originating from AlgaeBase may not be downloaded or replicated by any means, without the written permission of the copyright owner (generally AlgaeBase). Fair usage of data in scientific publications is permitted. Nomenclaturebasis of record
Guiry, M.D. (2001). Macroalgae of Rhodophycota, Phaeophycota, Chlorophycota, and two genera of Xanthophycota, <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>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,</i> 50: pp. 20-38 (look up in IMIS) [details] Otheradditional source
Linkletter, L. E. (1977). A checklist of marine fauna and flora of the Bay of Fundy. <em>Huntsman Marine Laboratory, St. Andrews, N.B.</em> 68: p. [details]
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. [details] additional source South, G. R.;Tittley, I. (1986). A checklist and distributional index of the benthic marine algae of the North Atlantic Ocean. <em>untsman Marine Laboratory. St. Andrews, New Brunswick.</em> 1-76. [details] additional source Muller, Y. (2004). Faune et flore du littoral du Nord, du Pas-de-Calais et de la Belgique: inventaire. [Coastal fauna and flora of the Nord, Pas-de-Calais and Belgium: inventory]. <em>Commission Régionale de Biologie Région Nord Pas-de-Calais: France.</em> 307 pp., available online at http://www.vliz.be/imisdocs/publications/145561.pdf [details] additional source Streftaris, N., A. Zenetos & E. Papathanassiou. (2005). Globalisation in marine ecosystems: the story of non-indigenous marine species across European seas. <em>Oceanogry and Marine Biology: an Annual Review.</em> 43: 419-453. (look up in IMIS) [details] Available for editors  [request]additional source Zenetos, A., M.E. Cinar, M.A. Pancucci-Papadopoulou, J.G. Harmelin, G. Furnari, F. Andaloro, N. Bellou, N. Streftaris & H. Zibrowius. (2005). Annotated list of marine alien species in the Mediterranean with records of the worst invasive species. <em>Mediterranean Marine Science.</em> 6 (2): 63-118., available online at https://www.researchgate.net/publication/273213810_Annotated_list_of_marine_alien_species_in_the_Mediterranean_with_records_of_the_worst_invasive_species [details] Available for editors [request]additional source Liu, J.Y. [Ruiyu] (ed.). (2008). Checklist of marine biota of China seas. <em>China Science Press.</em> 1267 pp. (look up in IMIS) [details] Available for editors [request]additional source Broady, P.A.; Flint, E.A.; Nelson, W.A.; Cassie Cooper, V.; De Winton, M.D.; Novis, P.M. (2012). Phylum Chlorophyta and Charophyta: green algae, in: Gordon, D.P. (Ed.) (2012). New Zealand inventory of biodiversity: 3. Kingdoms Bacteria, Protozoa, Chromista, Plantae, Fungi. pp. 347-381. [details] additional source Verlaque, M.; Ruitton, S.; Mineur, F.; Boudouresque, C.-F. (2007). CIESM Atlas of Exotic Macrophytes in the Mediterranean Sea. <em>Rapport de la Commission de l'Exploration de la mer Méditerranée, Monaco.</em> 38., available online at http://www.ciesm.org/atlas/appendix4.html#top [details] Available for editors [request]additional source Guiry, M.D. & Guiry, G.M. (2025). AlgaeBase. <em>World-wide electronic publication, National University of Ireland, Galway.</em> searched on YYYY-MM-DD., available online at http://www.algaebase.org [details] additional source Integrated Taxonomic Information System (ITIS). , available online at http://www.itis.gov [details]  Present Present in aphia/obis/gbif/idigbio Inaccurate Introduced: alien Containing type locality
From editor or global species database
LSID urn:lsid:algaebase.org:taxname:103009 [details]Unreviewed
Diet photosynthetic [details]Distribution Long Island Sound to Strait of Belle Isle [details] Habitat epiphyte on coarse algae during late spring to summer, littoral through shallow sublittoral [details] Morphology Brown colour results from the dominance of the xanthophyll fucoxanthin; this masks the other pigments, Chlorophyll a and c (no chlorophyll b), beta-carotene and other xanthophylls. [details] Reproduction general for group: most brown algae have an alternation of haploid and dioploid generations; The haploid thalli form isogamous, anisogamous or oogamous gametes and the diploid thalli form zoospores by meiosis. [details]
Published in AlgaeBase
 To Barcode of Life (1 barcode) To Biodiversity Heritage Library (146 publications) To Biological Information System for Marine Life (BISMaL) To European Nucleotide Archive, ENA (Leathesia difformis) To GenBank (34 nucleotides; 29 proteins) To NHMUK collection (Leathesia difformis (L.) Aresch.; Neotype; NHMUK:ecatalogue:4516372) To PESI To ITIS From editor or global species database
Hosted externally
Unreviewed
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