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Erythroglossum laciniatum (Lightfoot) Maggs & Hommersand

Classification:
Empire Eukaryota
Kingdom Plantae
Subkingdom Biliphyta
Phylum Rhodophyta
Subphylum Eurhodophytina
Class Florideophyceae
Subclass Rhodymeniophycidae
Order Ceramiales
Family Delesseriaceae
Subfamily Nitophylloideae
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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Scytonema figuratum C.Agardh ex Bornet & Flahault

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

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, Basson & Moe 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

Heterotypic Synonym(s)
Delesseria gmelinii J.V.Lamouroux 1813
Nitophyllum gmelinii (Lamouroux) Greville 1830
Schizoglossum gmelinii (Lamouroux) Kützing 1865
Polyneura gmelinii (J.V.Lamouroux) Kylin 1924

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 et 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 (Click to Load)

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.

Verification of data
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Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2018. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 16 October 2018.

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