WoRMS taxon details
Nemastoma dichotomum J.Agardh, 1842
145642 (urn:lsid:marinespecies.org:taxname:145642)
accepted
Species
Ginnania irregularis Kützing, 1849 · unaccepted (synonym)
Gymnophlaea dichotoma var. tenuis Kützing, 1866 · unaccepted (synonym)
Halymenia dichotoma (J.Agardh) Montagne, 1846 · unaccepted (synonym)
- Variety Nemastoma dichotomum var. biasolettianum (Kützing) Rodríguez-Prieto, Verlaque & Vergés, 2004
- Variety Nemastoma dichotomum var. incrassatum (Kützing) Rodríguez-Prieto, Verlaque & Vergés, 2004
- Variety Nemastoma dichotomum var. longitrichogynum (Ercegović) Athanasiadis, 2016
- Variety Nemastoma dichotomum var. caulescens (Kützing) Rodríguez-Prieto, Verlaque & Vergés, 2004 accepted as Nemastoma dichotomum var. longitrichogynum (Ercegović) Athanasiadis, 2016
marine
Agardh, J. G. (1842). Algae Maris Mediterranei et Adriatici : observationes in diagnosin specierum et dispositionem generum. <em>Parisiis [Paris]: Apud Fortin, Masson et Cie.</em> pp. [i]-x, 1-164., available online at https://doi.org/10.5962/bhl.title.44885 [details] 
LSID urn:lsid:algaebase.org:taxname:75984
LSID urn:lsid:algaebase.org:taxname:75984 [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). Nemastoma dichotomum J.Agardh, 1842. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=145642 on 2025-05-07
Date
action
by
2015-06-26 12:00:51Z
changed
db_admin
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Nomenclature
original description
Agardh, J. G. (1842). Algae Maris Mediterranei et Adriatici : observationes in diagnosin specierum et dispositionem generum. <em>Parisiis [Paris]: Apud Fortin, Masson et Cie.</em> pp. [i]-x, 1-164., available online at https://doi.org/10.5962/bhl.title.44885 [details]
original description (of Ginnania irregularis Kützing, 1849) Kützing, F.T. (1849). Species Algarum. F. A. Brockhaus: Lipsiae (Leipzig). VI-922 pp. (look up in IMIS), available online at https://doi.org/10.5962/bhl.title.60464 [details]
basis 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]
original description (of Ginnania irregularis Kützing, 1849) Kützing, F.T. (1849). Species Algarum. F. A. Brockhaus: Lipsiae (Leipzig). VI-922 pp. (look up in IMIS), available online at https://doi.org/10.5962/bhl.title.60464 [details]
basis 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]
Other
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]
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:75984 [details]
Published in AlgaeBase 
Published in AlgaeBase (from synonym Ginnania irregularis Kützing, 1849)
Published in AlgaeBase (from synonym Halymenia dichotoma (J.Agardh) Montagne, 1846)
Published in AlgaeBase (from synonym Gymnophlaea dichotoma var. tenuis Kützing, 1866)
To Barcode of Life (3 barcodes)
To Biodiversity Heritage Library (2 publications)
To Biodiversity Heritage Library (30 publications) (from synonym Halymenia dichotoma (J.Agardh) Montagne, 1846)
To European Nucleotide Archive, ENA (Nemastoma dichotomum)
To GenBank (6 nucleotides; 2 proteins)
To PESI
To ITIS
Published in AlgaeBase
(from synonym Ginnania irregularis Kützing, 1849)Published in AlgaeBase
(from synonym Halymenia dichotoma (J.Agardh) Montagne, 1846)Published in AlgaeBase
(from synonym Gymnophlaea dichotoma var. tenuis Kützing, 1866)To Barcode of Life (3 barcodes)
To Biodiversity Heritage Library (2 publications)
To Biodiversity Heritage Library (30 publications) (from synonym Halymenia dichotoma (J.Agardh) Montagne, 1846)
To European Nucleotide Archive, ENA (Nemastoma dichotomum)
To GenBank (6 nucleotides; 2 proteins)
To PESI
To ITIS