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Erythroglossum laciniatum (Lightfoot) Maggs & Hommersand 1993

Classification:
Empire Eukaryota
Kingdom Plantae
Subkingdom Biliphyta
Phylum Rhodophyta
Subphylum Eurhodophytina
Class Florideophyceae
Subclass Rhodymeniophycidae
Order Ceramiales
Family Delesseriaceae
Subfamily Phycodryoideae
Tribe Phycodryeae
Genus Erythroglossum

Pictures

click on thumbnail for larger version.

Erythroglossum laciniatum (Lightfoot) Maggs & Hommersand
with Cryptopleura ramosa and Rhodophyllis divaricata, Ría de A Coruña, Galicia, Spain, 2015. Ignacio Bárbara. © Ignacio Bárbara (barbara@udc.es).

Erythroglossum laciniatum (Lightfoot) Maggs & Hommersand
with Cryptopleura ramosa, Barizo, Galicia, Spain, 2015. Ignacio Bárbara. © Ignacio Bárbara (barbara@udc.es).

Erythroglossum laciniatum (Lightfoot) Maggs & Hommersand
Type in BM (formerly in K). 01 Jan 0001. © Natural History Museum London.

Erythroglossum laciniatum (Lightfoot) Maggs & Hommersand
Ría de Ferrol, Galicia, Spain, 2014. Ignacio Barbara. © Ignacio Barbara.

Erythroglossum laciniatum (Lightfoot) Maggs & Hommersand
Ría de Ferrol, Galicia, Spain, 2014. Ignacio Barbara. © Ignacio Barbara.

Erythroglossum laciniatum (Lightfoot) Maggs & Hommersand
Ría de Ferrol, Galicia, Spain, 2014. Ignacio Barbara. © Ignacio Barbara.

Erythroglossum laciniatum (Lightfoot) Maggs & Hommersand
Ría de Ferrol, Galicia, Spain, 2014. Ignacio Barbara. © Ignacio Barbara.

Erythroglossum laciniatum (Lightfoot) Maggs & Hommersand
Ría de Ferrol, Galicia, Spain, 2014. Ignacio Barbara. © Ignacio Barbara.

Erythroglossum laciniatum (Lightfoot) Maggs & Hommersand
East of the Skerries, Portrush, Co. Antrim, Northern Ireland. 06 Aug 2013. Francis Bunker. © Francis Bunker (fbunker@marineseen.com).

Erythroglossum laciniatum (Lightfoot) Maggs & Hommersand
South of Portugal, 2011. 01 Jan 0001. Ignacio Bárbara. © Ignacio Bárbara (barbara@udc.es).

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Sphaerococcus lemania Kützing

Erythroglossum laciniatum (Lightfoot) Maggs & Hommersand Ría de Ferrol, Galicia, Spain, 2014
© Ignacio Barbara

Publication details
Erythroglossum laciniatum (Lightfoot) Maggs & Hommersand 1993: 219

Published in: Maggs, C.A. & Hommersand, M.H. (1993). Seaweeds of the British Isles. Volume 1. Rhodophyta. Part 3A. Ceramiales. pp. [i]-xv, 1-444, 129 figs, map. London: HMSO.

Type species
The type species (lectotype) of the genus Erythroglossum is Erythroglossum schousboei (J.Agardh) J.Agardh.

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

Basionym
Ulva laciniata Lightfoot

Type information
Type locality: Iona [Scotland] (Silva & al. 1996: 92). Type: undated; BM 000807060 Notes: Index Nominum Algarum notes that type informtion is fide Maggs & Hommersand (1993).

Origin of species name
Adjective (Latin), slashed into narrow divisions with tapering, pointed incisions (Stearn 1973).

Homotypic Synonym(s)
Ulva laciniata Lightfoot 1777
Porphyra laciniata (Lightfoot) C.Agardh 1824
Porphyra umbilicalis var. laciniata (Lightfoot) Ruprecht 1850
Porphyra umbilicalis f. laciniata (Lightfoot) Thuret 1863
Porphyra umbilicalis subsp. laciniata (Lightfoot) J.Agardh 1883
Polyneura laciniata (Lightfoot) P.S.Dixon 1983

Nomenclatural notes
See Maggs & Hommersand (1993: 219).

Distributional notes
Records of Erythroglossum sandrianum (Zanardini) Kylin from the Atlantic refer to this species (Maggs & Hommersand 1993: 219).

General environment
This is a marine species.

Common names

(as Porphyra laciniata (Lightfoot) C.Agardh)
English: Laver sloke, Laver, Laver slack (Kirby 1953), Red Laver, Purple laver (Anonymous 1978).

Gaeilge: Sleabhán, Sleadaí, Sleabhach, Casóg (Brennan 1950), Sleabhac dearg (Anonymous 1978).

Japanese: Hoshinori, Asakusa-nori, Asakusa nori (Kirby 1953).

(as Erythroglossum laciniatum (Lightfoot) Maggs & Hommersand)
English: Flat Tongue Weed (Bunker & al. 2010).

Description
Crisp, rather rigid, flattened, fan-shaped, dark purplish red fronds, sometimes with blue iridescence underwater, entire to deeply cleft into wedge- or ribbon-shaped segments, to 300 mm long. Stipe to 25 mm long, from discoid base. Venation palmate, with no distinct midrib, veins anstomosing, microscopic veins present in young parts. Polystromatic in older portion, monostromatic distally.

Habitat
On rocks and epiphytic, deep lower intertidal pools and subtidal to 30 m where it is a frequent component of the Laminaria hyperborea understorey vegetation; southern and western shores east to Kent and north to Ross and Cromarty and widely distributed in Ireland, frequent subtidally.

Detailed distribution with sources
(as Porphyra laciniata (Lightfoot) C.Agardh)
Atlantic Islands: Cape Verde Islands (John, Price, Maggs & Lawson 1979).

Europe: Balearic Islands (Colmeiro, M. 1868), Britain (Guiry 1997), France (Anon. 2017), Germany (Kornmann & Sahling 1991, Ludwig & Schnittler 1996), Ireland (Cullinane 1970, McMillan & Morton 1979), Spain (Lázaro Ibiza 1889), Sweden (Kylin 1907).

North America: Alaska (Saunders 1901).

South America: Brazil (Taylor 1931 ).

Africa: South Africa (Silva & al. 1996).

South-west Asia: India (Silva & al. 1996), Sri Lanka (Silva & al. 1996).

Subantarctic Islands: Amsterdam Island (Silva & al. 1996), Falkland Islands/Islas Malvinas (Kylin & Skottsberg 1919).

(as Porphyra umbilicalis var. laciniata (Lightfoot) Ruprecht)
Europe: Channel Islands (Lyle 1920), France (Dizerbo & Herpe 2007 ), Ireland (Cotton 1912), Sweden (Kylin 1944).

(as Porphyra umbilicalis f. laciniata (Lightfoot) Thuret)
Europe: France (Breizh) (Feldmann 1954), Spain (Miranda 1931).

Asia: Japan (Okamura 1936, Segawa 1981), Kuril Islands (Nagai 1941).

(as Polyneura laciniata (Lightfoot) P.S.Dixon)
Europe: France (Dizerbo & Herpe 2007), Greece (Athanasiadis 1987), Spain (Granja, Cremades & Barbara 1992).

(as Erythroglossum laciniatum (Lightfoot) Maggs & Hommersand)
Atlantic Islands: Azores (Tittley & Neto 2005, Parente), Madeira (Neto, Cravo & Haroun 2001, John & al. 2004).

Europe: Atlantic France (Burel, Le Duff & Ar Gall 2019), Britain (Maggs & Hommersand 1993, Hardy & Guiry 2003, Wynne 2014, Brodie & al. 2015, Bunker & al. 2017), France (Maggs & Hommersand 1993, Gómez Garreta & al. 2001, Bárbara & Díaz Tapia 2012, Anon. 2017), Ireland (Maggs & Hommersand 1993, Morton 1994, Guiry 2012, Bunker & al. 2017), Portugal (Maggs & Hommersand 1993, Araújo & al., 2003, Bárbara et al. 2006, Araújo & al. 2009), Spain (Maggs & Hommersand 1993, Bárbara & Cremades 1996, Veiga, Cremades & Bárbara 1998, Peña & Bárbara 2002, Valenzuela Miranda 2002, Bárbara & al., 2003, Gorostiaga & al., 2004, Bárbara & al. 2004, Bárbara & al. 2005, Peña & Bárbara 2006, Díaz et al 2008, Peña & Bárbara 2008, Peña & Bárbara 2010, Cires Rodriguez & Cuesta Moliner 2010, Bárbara et al. 2012), Spain (incl. Canary Is.) (Gallardo & al. 2016).

Subantarctic Islands: Îles Kerguelen (Féral & al. 2021).

Key references
Athanasiadis, A. (2016). Phycologia Europaea Rhodophyta Vol. II. pp. [2], 763-1504. Thessaloniki: Published and distributed by the author.

Wynne, M.J. (2014 '2013'). The red algal families Delesseriaceae and Sarcomeniaceae. pp. [1]-326, 118 figs. Königstein: Koeltz Scientific Books.

Created: 17 May 1996 by M.D. Guiry

Verified by: 28 February 2017 by M.D. Guiry

Accesses: This record has been accessed by users 4395 times since it was created.

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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 22 October 2021.

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