163,335 species and infraspecific names are in the database, 22,769 images, 62,932 bibliographic items, 478,466 distributional records.

Acrochaetium secundatum (Lyngbye) Nägeli 1858

Empire Eukaryota
Kingdom Plantae
Subkingdom Biliphyta
Phylum Rhodophyta
Subphylum Eurhodophytina
Class Florideophyceae
Subclass Nemaliophycidae
Order Acrochaetiales
Family Acrochaetiaceae
Genus Acrochaetium


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Acrochaetium secundatum (Lyngbye) Nägeli
Black Head, Co. Clare, Ireland; lower intertidal rock; on Palmaria palmata. 02 Aug 2004. Michael Guiry. © Michael Guiry (mike.guiry@nuigalway.ie).

Acrochaetium secundatum (Lyngbye) Nägeli
Finavarra, Co. Clare, Ireland; epipthytic on the older parts of Palmaria palmata.. 04 Aug 2004. Michael Guiry. © Michael Guiry (mike.guiry@nuigalway.ie).

Acrochaetium secundatum (Lyngbye) Nägeli
Finavarra, Co. Clare, Ireland. 08 Aug 2004. Michael Guiry. © Michael Guiry (mike.guiry@nuigalway.ie).


Acrochaetium secundatum (Lyngbye) Nägeli Finavarra, Co. Clare, Ireland; epipthytic on the older parts of Palmaria palmata.
© Michael Guiry (mike.guiry@nuigalway.ie)

Publication details
Acrochaetium secundatum (Lyngbye) Nägeli in Nägeli & Cramer 1858: 532, footnote

Published in: Nägeli, C. & Cramer, C. (1858). Die Stärkekörner: Morphologische, physiologische, chemisch-physicalische und systematisch-botanische Monographie. Pflanzenphysiologische Untersuchungen. 2. Heft. pp. [i]-x, [1]-623, pls XI-XXVI. Zürich: bei Fredrich Schultness.
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Type species
This is the type species (lectotype) of the genus Acrochaetium.

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

Callithamnion daviesii var. secundatum Lyngbye

Type information
Type locality: Kvivig, Faeroe Is (Womersley 1994: 48). Type: on "Conferva rupestris". C (Womersley 1994: 48). Notes: Dawson (1953: 32) notes holotype not designated, but represented by Lyngbye's original specimen in the Botanical Museum, University of Copenhagen, Denmark.

Origin of species name
Adjective (Latin), with secund branching (Lewis & Short 1890).

Homotypic Synonym(s)
Acrochaetium luxurians f. secundatum (Lyngbye) Thuret
Callithamnion daviesii var. secundatum Lyngbye 1819
Ceramium secundatum (Lyngbye) C.Agardh 1824
Callithamnion secundatum (Lyngbye) C.Agardh 1828
Boryna secundata (Lyngbye) Gaillon 1828
Ceramium daviesii var. secundatum (Lyngbye) Duby 1830
Trentepohlia secundata (Lyngbye) Harvey 1836
Chantransia secundata (Lyngbye) Thuret 1863
Chantransia virgatula f. secundata (Lyngbye) Rosenvinge 1909
Chantransia virgatula var. secundata (Lyngybe) Rosenvinge 1920
Chantransia virgatula subsp. secundata (Lyngbye) Printz 1926
Acrochaetium virgatulum f. secundatum (Lyngbye) Hamel 1927
Acrochaetium virgatulum f. secundata (Lyngbye) Hamel 1927
Chromastrum secundatum (Lyngbye) Papenfuss 1945
Kylinia secundata (Lyngbye) Papenfuss 1947
Colaconema secundatum (Lyngbye) Woelkerling 1973
Audouinella secundata (Lyngbye) P.S.Dixon 1976

Heterotypic Synonym(s)
Acrochaetium virgatulum var. tetricum (Rosenvinge) Celan
Callithamnion pubes C.Agardh 1828
Callithamnion virgatulum Harvey 1833
Callithamnion lenormandii Suhr ex Kützing 1849
Callithamnion piliferum Kützing 1861
Callithamnion ramellosum (Kützing) Kützing 1861
Chantransia lenormandii (Suhr ex Kützing) Nägeli 1861
Acrochaetium pubes (C.Agardh) Nägeli 1861
Acrochaetium lenormandii (Suhr ex Kützing) Nägeli 1862
Acrochaetium griffithsianum Nägeli 1862
Chantransia virgatula (Harvey) Thuret 1863
Callithamnion cystosirarum Ardissone 1866
Chantransia nordstedtiana Reinsch 1874
Chantransia lenormandii (Suhr ex Kützing) Ardissone & Strafforello 1877
Trentepohlia virgatula (Harvey) Farlow 1881
Chantransia virgatula f. farlowii Kjellman 1883
Acrochaetium virgatulum (Harvey) Batters 1902
Chantransia rhipidandra Rosenvinge 1909
Chantransia virgatula var. tetrica (Rosenvinge) Rosenvinge 1912
Acrochaetium rhipidandrum (Rosenvinge) Hamel 1927
Acrochaetium rhipidandrum f. oppositum Hamel 1927
Acrochaetium virgatulum f. tetricum (Rosenvinge) Hamel 1927
Rhodochorton rhipidandrum (Rosenvinge) K.M.Drew 1928
Rhodochorton virgatulum (Harvey) K.M.Drew 1928
Kylinia rhipidandra (Rosenvinge) Kylin 1944
Chromastrum rhipidandrum (Rosenvinge) Papenfuss 1945
Chromastrum virgatulum (Harvey) Papenfuss 1945
Chromastrum secundatum f. virgatulum (Harvey) Papenfuss 1945
Kylinia virgatula (Harvey) Papenfuss 1947
Audouinella rhipidandra (Rosenvinge) P.S.Dixon 1976
Audouinella virgatula (Harvey) P.S.Dixon 1976

Nomenclatural notes
Acrochaetium secundatum (Lyngbye) Nägeli 1861: 405 (Womersley 1994: 48). A. secundatum (Lyngbye) Nägeli 1858: 532, footnote (Silva et al. 1996: 101). - (20 May 2009) - Wendy Guiry

Taxonomic notes
Placed in Acrochaetium by Nielsen et al. (1995). John et al. (2004) cite Acrochaetium virgatulum (Harv.) J. Agardh and Audouinella virgatula (Harv.) P.S. Dixon as synonyms of this species.

Habitat notes
on a diversity of plant and animal hosts (Clayden & Saunders, 2014). - (1 Jul 2014) - Wendy Guiry

General environment
This is a marine species.

Detailed distribution with sources (Click to Load)

Key references
Athanasiadis, A. (2016). Phycologia Europaea Rhodophyta Vol. I. pp. [i]-xxxxviii, 1-762. Thessaloniki: Published and distributed by the author.

Bates, C.R., Saunders, G.W. & Chopin, T. (2005). An assessment of two taxonomic distinctness indices for detecting seaweed assemblage responses to environmental stress. Botanica Marina 48: 231-243.

Clayden, S.L. & Saunders, G.W. (2014). A study of two Acrochaetium complexes in Canada with distinction of Rhododrewia gen. nov. (Acrochaetiales, Rhodophyta). Phycologia 53(3): 221-232.

Cormaci, M., Furnari, G. & Alongi, G. (2017). Flora marina bentonica del Mediterraneo: Rhodophyta (Rhodymeniophycidae escluse). Bollettino dell'Accademia Gioenia di Scienze Naturali di Catania 50(380): 1-391, 53 pls.

Dixon, P.S. & Irvine, L.M. (1977). Seaweeds of the British Isles. Volume 1. Rhodophyta. Part 1. Introduction, Nemaliales, Gigartinales. pp. [i]-xi, [1]-252, 90 figs. London: British Museum (Natural History).

Garbary, D.J. (1987). The Acrochaetiaceae (Rhodophyta): an annotated bibliography. Bibliotheca Phycologica 77: 1-267, 2 tables.

Hwang, I.-K. & Kim, H.-S. (2011). Algal flora of Korea. Volume 4, Number 2. Rhodophyta: Florideophyceae, Nemaliophycidae: Acrochaetiales, Colaconematales, Palmariales, Nemaliales. Nemalian red algae. pp. [1-6], 1-111, figs 1-66. Incheon: National Institute of Biological Resources.

Mathieson, A.C. & Dawes, C.J. (2017). Seaweeds of the Northwest Atlantic. pp. [i]-x, 1-798, CIX pls. Amherst & Boston: University of Massachusetts Press.

Nielsen, R. & Lundsteen, S. (2019). Danmarks havalger Bind 1 Rødalger (Rhodophyta). Scientia Danica. Series B, Biologica 7: [1]-398, col. figs and distributional maps.

Pedersen, P.M. (2011). Grønlands havalger. pp. [1] 7-208. Copenhagen: Forlaget Epsilon.DK.

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: [i]-xiv, 1-1259.

Stegenga, H. (1985). The marine Acrochaetiaceae (Rhodophyta) of southern Africa. South African Journal of Botany 51: 291-330, 25 figs, 1 table.

Womersley, H.B.S. (1994). The marine benthic flora of southern Australia - Part IIIA - Bangiophyceae and Florideophyceae (Acrochaetiales, Nemaliales, Gelidiales, Hildenbrandiales and Gigartinales sensu lato). pp. [1]-508, 167 figs, 4 pls, 4 maps. Canberra: Australian Biological Resources Study.

Wynne, M.J. (2005). A check-list of benthic marine algae of the tropical and subtropical western Atlantic: second revision. Beihefte zur Nova Hedwigia 129: 1-152.

Created: 16 April 1996 by M.D. Guiry

Verified by: 14 February 2020 by M.D. Guiry

Accesses: This record has been accessed by users 10309 times since it was created.

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

Abdel-Rahman, M.H. & Bidoux, C. (1989). Le cycle de développment de l'Acrochaetium secundatum (Rhodophycée, Acrochaetiales). Cryptogamie, Algologie 10: 235-245.
Coppejans, E. & De Vos, D. (1979). Acrochaetium secundatum (Lyngb.) Näg. (Acrochaetiales) en Aglaothamnion scopulorum (C. Ag.) G. Feldm.-Maz. var. polyspermum (C. Ag.) Halos (Ceramiales), <> roodwieren langs de Belgische kust. Biologisch Jaarboek Dodonaea 47: 63-73.

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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 19 September 2021.

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