163,902 species and infraspecific names are in the database, 22,783 images, 63,102 bibliographic items, 484,277 distributional records.

Gracilaria crassissima (P.Crouan & H.Crouan) P.Crouan & H.Crouan 1866

Publication details
Gracilaria crassissima (P.Crouan & H.Crouan) P.Crouan & H.Crouan in Mazé & Schramm 1866: 46

Published in: Schramm, A. & Mazé, H. (1866). Essai de classification des algues de la Guadeloupe. pp. 1-144. Cayenne (Guyane Française).

Type species
The type species (lectotype) of the genus Gracilaria is Gracilaria compressa (C.Agardh) Greville.

Status of name
This name is of an entity that is currently accepted taxonomically.

Basionym
Plocaria crassissima P.Crouan & H.Crouan

Type information
Type locality: "Moule (récifs de ceinture du port)" [Moule (reefs at entrance to port), Guadeloupe] (Schramm & Mazé 1865: 20). Lectotype: January 16th, 1870; BM? 000936166 (Gurgel & al. 2018: 11).

Homotypic Synonym(s)
Plocaria crassissima P.Crouan & H.Crouan 1865
Polycavernosa crassissima (P.Crouan & H.Crouan) Fredericq & J.N.Norris 1985
Hydropuntia crassissima (P.Crouan & H.Crouan) M.J.Wynne 1989
Crassa crassissima (P.Crouan et H.Crouan) Gurgel, J.N.Norris et Fredericq 2018
Crassiphycus crassissimus (P.Crouan & H.Crouan) Gurgel, J.N.Norris & Fredericq 2018

Heterotypic Synonym(s)
Gracilaria horizontalis Collins & Hervey 1917

Nomenclatural notes
Fredericq & Norris (1985: 152) cite the authority for this species as P. & H. Crouan in Mazé and Schramm 1878: 218 (date of publication fide Stafleu & Cowan 1981: 392).

General environment
This is a marine species.

Detailed distribution with sources
(as Gracilaria crassissima (P.Crouan & H.Crouan) P.Crouan & H.Crouan)
Atlantic Islands: Bermuda (Taylor 1960).

North America: Florida (Taylor 1960).

Central America: Belize (Norris & Bucher 1982, Fredericq & Norris 1985), Panama (Gurgel & Fredericq 2004).

Caribbean Islands: Bahamas (Taylor 1960), Barbados (Taylor 1969), Hispaniola (Taylor 1960), Jamaica (Taylor 1960), Lesser Antilles (Taylor 1960, Taylor 1969), Martinique (Delnatte & Wynne 2016), Puerto Rico (Taylor 1960).

Western Atlantic: Trop. & Subtrop. W. Atlantic (Wynne 2017).

South America: Colombia (Schnetter 1969), Venezuela (Ganesan 1990).

(as Polycavernosa crassissima (P.Crouan & H.Crouan) Fredericq & J.N.Norris)
Central America: Belize (Norris 1985, Fredericq & Norris 1985).

(as Hydropuntia crassissima (P.Crouan & H.Crouan) M.J.Wynne)
Atlantic Islands: Bermuda (Schneider 2003).

Central America: Belize (Littler & Littler 1997), Panama (Lin et al. 2012 ).

Caribbean Islands: Caribbean (Littler & Littler 2000), Cuba (Suárez 2005, Suárez, Martínez-Daranas & Alfonso 2014), Martinique (Rodríguez-Prieto, Michanek & Ivon 1999), Trinidad & Tobago (Duncan & Lee Lum 2006).

South America: Colombia (Díaz-Pulido & Díaz-Ruíz 2003).

(as Crassiphycus crassissimus (P.Crouan & H.Crouan) Gurgel, J.N.Norris & Fredericq)
North America: Mexico (Pedroche & Sentíes 2020), Mexico (Atlantic) (García & al. 2020).

Caribbean Islands: Cuba (Cabrera & al. 2020).

Key references
Fredericq, S. & Norris, J.N. (1985). Morphological studies on some tropical species of Gracilaria Grev. (Gracilariaceae, Rhodophyta): taxonomic concepts based on reproductive morphology. In: Taxonomy of economic seaweeds with reference to some Pacific and Caribbean species. (Abbott, I.A. & Norris, J.N. Eds), pp. 137-155. La Jolla: California Sea Grant College Program. Report T-CSGCP-011.

Lyra, D. de M., Iha, C., Grassa, C.J., Cai, L., Zhang, H.G., Lane, C., Blouin, N., Oliveira, M.C., Nunes, J. M de C. & Davis, C.C. (2021). Phylogenomics, divergence time estimation and trait evolution provide a new look into the Gracilariales (Rhodophyta). Molecular Phylogenetics and Evolution 165(107294): [1-14], 4 figs.

Norris, J.N. (1985). Gracilaria and Polycavernosa from the Caribbean and Florida: key and list of the species of economic potential. In: Taxonomy of Economic Seaweeds. (Abbott, I.A. & Norris, J.N. Eds) Vol.T-CSGCP-011, pp. 101-113. La Jolla, California: California Sea Grant College Program.

Wynne, M.J. (1989). The re-instatement of Hydropuntia Montagne (Gracilariaceae, Rhodophyta). Taxon 38: 476-479.

Created: 01 February 1999 by M.D. Guiry

Verified by: 17 September 2021 by M.D. Guiry

Accesses: This record has been accessed by users 1085 times since it was created.

Verification of data
Users are responsible for verifying the accuracy of information before use, as noted on the website Content page.

References
(Please note: only references with the binomials in the title are included. The information is from the Literature database.)

Lahaye, M., Revol, J.F., Rochas, C., McLachlan, J. & Yaphe, W. (1988). The chemical structure of Gracilaria crassissima (P. et H. Crouan in Schramm et Mazé) P. et H. Couan in Schramm et Mazé and G. tikvahiae McLachlan (Gigartinales, Rhodophyta) cell-wall polysaccharides. Botanica Marina 31: 491-501.

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Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2021. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 24 October 2021.

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