155,542 species and infraspecific names are in the database, 21,916 images, 60,163 bibliographic items, 438,693 distributional records.

Halymenia agardhii De Toni

Empire Eukaryota
Kingdom Plantae
Subkingdom Biliphyta
Phylum Rhodophyta
Subphylum Eurhodophytina
Class Florideophyceae
Subclass Rhodymeniophycidae
Order Halymeniales
Family Halymeniaceae
Genus Halymenia


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Halymenia agardhii De Toni
Rottnest Island, Western Australia. 25 May 2011. John Huisman. © John Huisman (j.huisman@murdoch.edu.au).

Halymenia agardhii De Toni
Panama. Habit with distinct dichotomous branching.. D.S. Littler. © Diane Littler (littlerd@si.edu).

Halymenia agardhii De Toni
Panama. Gland cell on medullary filament.. D.S. Littler. © Diane Littler (littlerd@si.edu).

Halymenia agardhii De Toni
Panama. Surface view of cortex with unfocused shadow of large radiating star-shaped cell.. D.S. Littler. © Diane Littler (littlerd@si.edu).

Halymenia agardhii De Toni
Panama. Transverse section of cortex.. D.S. Littler. © Diane Littler (littlerd@si.edu).

Halymenia agardhii De Toni
Panama. Surface view showing developing tetrasporangia.. D.S. Littler. © Diane Littler (littlerd@si.edu).

Halymenia agardhii De Toni
Houtman Abrolhos, Western Australia. John Huisman. © John Huisman (j.huisman@murdoch.edu.au).


Enteromorpha paradoxa (C.Agardh) Kützing

Sebdenia flabellata (J.Agardh) P.G.Parkinson Rottnest Island, Western Australia
© John Huisman (j.huisman@murdoch.edu.au)

Publication details
Halymenia agardhii De Toni 1905: 1542

Published in: De Toni, G.B. (1905). Sylloge algarum omnium hucusque cognitarum. Vol. IV. Florideae. Sectio IV. pp. [i-v], 1523-1973. Patavii [Padova]: Privately published.
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Type species
The type species (lectotype) of the genus Halymenia is Halymenia floresii (Clemente) C.Agardh.

Status of name
This name is currently regarded as a synonym of Sebdenia flabellata (J.Agardh) P.G.Parkinson

Isymenia flabellata J.Agardh

Type information
Type locality: Guadeloupe, West Indies (Silva, Basson & Moe 1996: 324). Type: LD Herb. alg. Agardh 22292 (Schneider & Wynne 1991: 473).

No synonyms are currently included in AlgaeBase.

General environment
This is a marine species.

Type information
Type locality: Ile de la Guadaluope, West Indies (Dawson 1954: 268). Notes: Dawson (1954: 268) The syntypes represented by the original collections cited by Mazé and Schramn, no. 20, 1015 and 1334 are in the Thuret-Bornet Herbarium, Natural History Museum, Paris, France

Detailed distribution with sources
(as Halymenia agardhii De Toni)
Atlantic Islands: Bermuda (Taylor 1960).

North America: Florida (FL) (Taylor 1960), Mexico (Taylor 1945, Dawson 1954), North Carolina (NC) (Taylor 1960).

Caribbean Islands: Barbados (Taylor 1969), Lesser Antilles (Taylor 1960), Trinidad & Tobago (Taylor 1960, Richardson 1975).

South America: Brazil (Joly 1965, Oliveira Filho 1977).

Africa: Ghana (Lawson & John 1987, John, Lawson & Ameka, 2003).

Asia: Japan (Okamura 1936, Segawa 1981), Taiwan (Shao 2003-2014).

Australia and New Zealand: Queensland (Bostock & Holland 2010).

Source of current name
Dawes, C.J. & Mathieson, A.C. (2008). The seaweeds of Florida. pp. [i]- viii, [1]-591, [592], pls I-LI. Gainesville, Florida: University Press of Florida.

Created: 13 February 1999 by M.D. Guiry

Verified by: 08 March 2008 by M.D. Guiry

Accesses: This record has been accessed by users 1243 times since it was created.

Verification of data
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Linking to this page: http://www.algaebase.org/search/species/detail/?species_id=16993

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 June 2019.

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