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Dictyota humifusa Hörnig, Schnetter & Coppejans

Empire Eukaryota
Kingdom Chromista
Phylum Ochrophyta
Class Phaeophyceae
Subclass Dictyotophycidae
Order Dictyotales
Family Dictyotaceae
Tribe Dictyoteae
Genus Dictyota


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Dictyota humifusa Hörnig, Schnetter & Coppejans
Tanzania. Katrin Østerlund. © Katrin Oesterlund (Katrin.Osterlund@uadm.uu.se).

Dictyota humifusa Hörnig, Schnetter & Coppejans
KwaZulu-Natal. Tom Schils. © Tom Schils (tom@schils.be).

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Scytosiphon tenellus Kogame

Dictyota humifusa Hörnig, Schnetter & Coppejans Seraya, Bali - 15m - Substrate: volcanogenic sands
© Russell Kelley (www.byoguides.com)

Publication details
Dictyota humifusa Hörnig, Schnetter & Coppejans in Hörnig et al. 1992: 57, fig. 6

Published in: Hörnig, I., Schnetter, R., Prud'homme van Reine, W.F., Coppejans, E., Achenbach-Wege, K. & Over, J.M. (1992). The genus Dictyota (Phaeophyceae) in the North Atlantic. I. A new generic concept and new species. Nova Hedwigia 54: 45-62, 6 figs, 3 tables.

Type species
The type species (holotype) of the genus Dictyota is Dictyota dichotoma (Hudson) J.V.Lamouroux.

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

Origin of species name
Adjective A (Latin), prostate, spreading.

No synonyms are currently included in AlgaeBase.

Taxonomic notes
According to Silva, Basson & Moe (1996: 594) the taxon Dictyota ceylanica Kützing var. rotundata Weber-van Bosse is a possible taxonomic synonym of this species. Also according to Silva, Basson & Moe (1996: 594), the name Dictyota adnata has been misapplied to this species by various authors; please consult original reference for full details. Bula-Meyer (1994) and Wynne (1998) consider Dictyota humifusa conspecific with D. pfaffii (q.v.), but Littler & Littler (1997: 73) provide characters for their separation. Wysor & De Clerck (2003) do not agree with Bula-Meyer's (1994: 177-181) conclusion concerning D. humifusa.

Distributional notes
South & Skelton (2003) note that Fijian records of Dictyota require a thorough revision comparable with that made for Indian Ocean species by de Clerck (1999).

General environment
This is a marine species.

Type information
Type locality: Punta Chengue, Santa Marta, Departamento del Magdalena, Colombia (Hörnig & al. 1992: 57). Holotype: COL A-4287 (De Clerck 2003: 171).

Detailed distribution with sources (Click to Load)

Key references
Bula-Meyer, G. (1994). Notas sobre Dictyota pfaffii y D. humifusa (Dictyotales, Phaeophyta). Anales Inst. Invest. Mar. Punta de Betín 23: 177-181.

De Clerck, O. (2003). The genus Dictyota in the Indian Ocean. Opera Botanica Belgica 13: 1-205, 54 figs, 12 tables.

Godínez-Ortega, J.L., Ramírez-García, P., Granados-Barba, A. & Wynne, M.J. (2019). New records of subtidal benthic marine algae from the state of Veracruz, southern Gulf of Mexico. Revista Mexicana de Biodiversidad 90(e902719): [1-17].

Littler, D.S. & Littler, M.M. (1997). An illustrated flora of the Pelican Cays, Belize. Bulletin of the Biological Society of Washington 9: 1-149, 190 figs.

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.

Created: 23 September 1998 by M.D. Guiry

Verified by: 05 June 2019 by M.D. Guiry

Accesses: This record has been accessed by users 3209 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.

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

Bula-Meyer, G. (1994). Notas sobre Dictyota pfaffii y D. humifusa (Dictyotales, Phaeophyta). Anales Inst. Invest. Mar. Punta de Betín 23: 177-181.
Stirk, W.A., Novák, O., Hradecká, V., Pencik, A., Rolcik, J., Strnad, M. & van Staden, J. (2009). Endogenous cytokinins, auxins and abscisic acid in Ulva fasciata (Chlorophyta) and Dictyota humifusa (Phaeophyta): towards understanding their biosynthesis and homoeostasis. European Journal of Phycology 44(2): 231-240, 4 figs, 1 table.

Linking to this page: http://www.algaebase.org/search/species/detail/?species_id=12247

Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2020. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 27 February 2020.

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