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Hypnea spicifera (Suhr) Harvey

Empire Eukaryota
Kingdom Plantae
Subkingdom Biliphyta
Phylum Rhodophyta
Subphylum Eurhodophytina
Class Florideophyceae
Subclass Rhodymeniophycidae
Order Gigartinales
Family Cystocloniaceae
Genus Hypnea


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Hypnea spicifera (Suhr) Harvey
KwaZulu-Natal. Olivier de Clerck. © Olivier De Clerck (odclerck@gmail.com).

Hypnea spicifera (Suhr) Harvey
Platboom, Cape Peninsula, South Africa; lower intertidal. 21 Sep 2005. Michael Guiry. © Michael Guiry (mike.guiry@nuigalway.ie).

Hypnea spicifera (Suhr) Harvey
Platboom, Cape Peninsula, South Africa; lower intertidal rock. 21 Sep 2005. Michael Guiry. © Michael Guiry (mike.guiry@nuigalway.ie).


Halimeda incrassata f. gracilis Børgesen

Hypnea spicifera (Suhr) Harvey KwaZulu-Natal
© Olivier De Clerck (odclerck@gmail.com)

Publication details
Hypnea spicifera (Suhr) Harvey in J. Agardh 1847: 14

Published in: Agardh, J.G. (1847). Nya alger från Mexico. Öfversigt af Kongl. Vetenskaps-Adademiens Förhandlingar, Stockholm 4: 5-17.
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Type species
The type species (lectotype) of the genus Hypnea is Hypnea musciformis (Wulfen) J.V.Lamouroux.

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

Gracilaria spicifera Suhr

Type information
Type locality: "Algoa-Bai" [Algoa Bay, Cape Province, South Africa] (Suhr 1834: 731).

Homotypic Synonym(s)
Gracilaria spicifera Suhr 1834
Hypnophycus spicifera (Suhr) Kützing 1843

Heterotypic Synonym(s)
Sphaerococcus musciformis var. armatus C.Agardh 1822
Hypnea harveyi Kützing 1849
Hypnea spicigera Harvey 1849
Hypnea armata (C.Agardh) J.Agardh 1851

General environment
This is a marine species.

Common names used in commerce, often for edible algae
; "agar agar, African"

Detailed distribution with sources
(as Hypnea spicifera (Suhr) Harvey)
North America: Mexico (Dawson 1961).

South America: Chile (Ramírez & Santelices 1991), Temperate South America (Ramírez & Santelices 1991).

Africa: Kenya (Silva, Basson & Moe 1996, Bolton, Oyieke & Gwanda 2007), Madagascar (Silva, Basson & Moe 1996), Mauritius (Silva, Basson & Moe 1996), Namibia (Rull Lluch 2002, John et al. 2004), South Africa (Silva, Basson & Moe 1996, Stegenga, Bolton & Anderson 1997, De Clerck, Tronchin & Schils 2005, Iyer et al 2005).

Indian Ocean Islands: Réunion (Silva, Basson & Moe 1996).

South-west Asia: India (Silva, Basson & Moe 1996, Rao & Gupta 2015), Pakistan (Silva, Basson & Moe 1996).

(as Hypnea harveyi Kützing)
Africa: Egypt (Aleem 1993 ), Mauritius (Børgesen 1943).

Key references
Braune, W. (2008). Meeresalgen. Ein Farbbildführer zu den verbreiteten benthischen Grün- Braun- und Rotalgen der Weltmeere. pp. [1]-596, pls 1-266 (colour photographs). Ruggell: A.R.G. Gantner Verlag.

Iyer, R., Tronchin, E.M., Bolton, J.J. & Coyne, V.E. (2005). Molecular systematics of the Gracilariaceae (Gracilariales, Rhodophyta) with emphasis on Southern Africa. Journal of Phycology 41: 672-684.

Masuda, M., Yamagishi, Y., Chiang, Y.-M., Lewmanomont, K. & Xia, B.M. (1997). Overview of Hypnea (Rhodophyta, Hypneaceae). In: Taxonomy of Economic Seaweeds. (Abbott, I.A. Eds) Vol.6, pp. 127-133. La Jolla, California: California Sea Grant College System.

Created: 19 January 1998 by M.D. Guiry

Verified by: 24 August 2008 by M.D. Guiry

Accesses: This record has been accessed by users 4726 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.)

Isaac, W.E. & Hewitt, F. (1953). The morphology, geographical distribution and ecology of Hypnea spicifera (Suhr) Harv. Journal of South African Botany 19: 73-84, 6 figs, Plates XVI, XVII.
Isaac, W.E. & Hewitt, F. (1953). The morphology, geographical distribution and ecology of Hypnea spicifera (Suhr) Harv. In: Proceedings of the first International Seaweed Symposium, Edinburgh, 1952. ( Eds), pp. 14-15. Inveresk, Scotland:
Isaac, W.M. & Hewitt, F. (1953). The morphology, geographical distribution and ecology of Hypnea spicifera (Suhr) Harv. Proceedings of the International Seaweed Symposium 1: 14-15.
Russell, D.J. (1992). The ecological invasion of Hawaiian reefs by two marine red algae, Acanthophora spicifera (Vahl.) Boerg. and Hypnea musciformis (Wulfen) J. Ag. and their association with two native species, Laurencia nidfica J. Ag. and Hypnea cervicornis J. Ag.. In: Introductions and Transfers of Aquatic Species. (Sinderman, C., Steinmetz, B. & Herschbergen, W. Eds), pp. 110-125. Halifax, N.S.: ICES Marine Science Symp.,.
Steinke, T.D., Mann, F.D. & Seetal, A.R. (1989). Net photosynthesis and respiration of the red alga Hypnea spicifera in response to changes in temperature and dessication. South African Journal of Marine Science 8: 319-323.
Van Zyl, P.F. & Robertson, B.L. (1991). Population dynamics of Hypnea spicifera. Journal of Phycology 27: 81.

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Citing AlgaeBase
Cite this record as:
Guiry, M.D. & Guiry, G.M. 2019. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 17 July 2019.

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