152,923 species and infraspecific names are in the database, 20,947 images, 59,143 bibliographic items, 408,271 distributional records.

Porphyra purpurea (Roth) C.Agardh

Classification:
Empire Eukaryota
Kingdom Plantae
Subkingdom Biliphyta
Phylum Rhodophyta
Subphylum Eurhodophytina
Class Bangiophyceae
Subclass Bangiophycidae
Order Bangiales
Family Bangiaceae
Genus Porphyra

Pictures

click on thumbnail for larger version.

Porphyra purpurea (Roth) C.Agardh
Ría de Ferrol, Galicia, Spain. 15 Jul 2018. Ignacio Bárbara. © Ignacio Bárbara (barbara@udc.es).

Porphyra purpurea (Roth) C.Agardh
Ría de Ferrol, Galicia, Spain, 2013, Ignacio Bárbara. Ignacio Bárbara. © Bárbara (barbara@udc.es).

Porphyra purpurea (Roth) C.Agardh
Ría de Ferrol, Galicia, Spain, 2013, Ignacio Bárbara. Ignacio Bárbara. © Bárbara (barbara@udc.es).

Porphyra purpurea (Roth) C.Agardh
Ría de Ferrol, Galicia, Spain, 2013, Ignacio Bárbara. Ignacio Bárbara. © Bárbara (barbara@udc.es).

Porphyra purpurea (Roth) C.Agardh
male and female, North of Portugal, 2010. 09 Dec 2011. Ignacio Bárbara. © Ignacio Bárbara (barbara@udc.es).

Porphyra purpurea (Roth) C.Agardh
female, North of Portugal, 2010,. 09 Dec 2011. Ignacio Bárbara. © Ignacio Bárbara (barbara@udc.es).

Porphyra purpurea (Roth) C.Agardh
female, North of Portugal, 2010. 09 Dec 2011. Ignacio Bárbara. © Ignacio Bárbara (barbara@udc.es).

Porphyra purpurea (Roth) C.Agardh
male and female sectors of blade, North of Portugal, Buarcos, 2006. Ignacio Bárbara. © Ignacio Bárbara (barbara@udc.es).

Porphyra purpurea (Roth) C.Agardh
microscope male plant (spermatangia section), North of Portugal, Buarcos, 2006. Ignacio Bárbara. © Ignacio Bárbara (barbara@udc.es).

Porphyra purpurea (Roth) C.Agardh
microscope male and female (Section), North of Portugal, Forte do Cao, 2002. Ignacio Bárbara. © Ignacio Bárbara (barbara@udc.es).

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Urospora isogona (Smith) Batters

Porphyra purpurea (Roth) C.Agardh microscope male plant (spermatangia section), North of Portugal, Buarcos, 2006
© Ignacio Bárbara (barbara@udc.es)

Publication details
Porphyra purpurea (Roth) C.Agardh 1824: 191

Published in: Agardh, C.A. (1824). Systema algarum. pp. [i]-xxxvii, [1]-312. Lundae [Lund]: Literis Berlingianis [Berling].
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Type species
This is the type species (lectotype) of the genus Porphyra.

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

Basionym
Ulva purpurea Roth

Type information
Neotype locality: Nord-Ost Watt, Helgoland (Brodie & Irvine 1997: 769). Neotype: A. Wagner; 17 October 1996; BM (Brodie & Irvine 1997: 769). Notes: The original material, now lost, was collected at Eckwarden, Niedersachsen, Germany. BM000054930 (Sutherland et al. 2011).

Origin of species name
Adjective (Latin), purple (Stearn 1973).

Homotypic Synonym(s)
Ulva purpurea Roth 1797
Ulva lactuca var. purpurea (Roth) Poiret 1808
Ulva umbilicalis var. purpurea (Roth) Wahlenberg 1812
Phyllona purpurea (Roth) Wallroth 1833
Porphyra umbilicalis subsp. purpurea (Roth) J.Agardh 1883
Porphyra umbilicalis f. purpurea (Roth) Jadin 1935

Heterotypic Synonym(s)
Ulva purpureoviolacea Roth 1788
Ulva purpurea var. umbilicata C.Agardh 1823
Porphyra vulgaris C.Agardh 1827
Porphyra vulgaris var. umbilicata (C.Agardh) Naccari 1828
Phyllona purpurea var. protensa Wallroth 1833
Phyllona purpurea var. umbilicata (C.Agardh) Wallroth 1833
Porphyra amethystea Kützing 1843
Porphyra vulgaris f. umbilicata (C.Agardh) P.Crouan & H.Crouan 1867
Phyllona amethystea (Kützing) Kuntze 1891
Wildemania amethystea (Kützing) De Toni 1897
Porphyra purpureoviolacea (Roth) V.Krishnamurthy 1972
Porphyra rediviva J.W.Stiller & J.R.Waaland 1996

Nomenclatural notes
The correct author citation of this species is (Roth) C.Agardh since the proposal put forward by Irvine & Brodie (1997) to conserve the illegitimate name Ulva purpurea Roth, against the legitimate Ulva purpureo-violacea Roth, was approved at the XVI International Botanical Congress (St. Louis, Missouri, 26-30 July 1999) (Barrie & Greuter, 1999).

Taxonomic notes
See Brodie et al. (1996) regarding the name and selection of a neotype. According to Guiry (1997) this species requires taxonomic reinvestigation and recommends consulting Kornmann & Sahling (1991).

Habitat notes
Intertidal zone (Selivanova & Zhigadlova 2009). - (10 May 2010) - Wendy Guiry

Usage notes
High antioxidant activity (Zubia et al. 2009). - (24 Mar 2010) - Wendy Guiry

General environment
This is a marine species.

Common names

(as Porphyra purpurea (Roth) C.Agardh)
English: Purple Laver (Bunker et al. 2010).

(as Porphyra vulgaris C.Agardh)
English: Laver (Kirby 1953).

Japanese: Asakusa nori, Hoshinori (Kirby 1953).

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.

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.

Klein, A.S, Mathieson, A.C., Neefus, C.D., Cain, D.C., Taylor, H.A., Teasdale, B.W., West, A.L., Hehre, E.J., Brodie, J., Yarish, C. & Wallace, A.L. (2003). Identification of north-western Atlantic Porphyra (Bangiaceae, Bangiales) based on sequence variation in nuclear SSU and plastid rbcL genes. Phycologia 42: 109-122, 3 figs, 5 tables.

Lindstrom, S.C. & Fredericq, S. (2003). rbcL gene sequences reveal relationships among north-east Pacific species of Porphyra (Bangiales, Rhodophyta) and a new species, P. aestivalis. Phycological Research 51(3): 211-224.

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.

Mols-Mortensen, A., Neefus, C.D., Pedersen, P.M. & Brodie, J. (2014). Diversity and distribution of foliose Bangiales (Rhodophyta) in West Greenland: a link between the North Atlantic and North Pacific. European Journal of Phycology 49(1): 1-10.

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

Stiller, J.W., Perry, J., Rymarquis, L.A., Accerbi, M., Green, P.J., Prochnik, S., Lindquist, E., Chan, C.X., Yarish, C., Lin., S., Zhuang, Y., Blouin, N.A. & Brawley, S.H. (2012). Major developmental regulators and their expression in two closely related species of Porphyra (Rhodophyta). Journal of Phycology 48(4): 883-896.

Teasdale, B.W., West, A., Klein, A.S. & Mathieson, A.C. (2009). Distribution and evolution of variable group-I introns in the small ribosomal subunit of North Atlantic Porphyra (Bangiales, Rhodophyta). European Journal of Phycology 44(2): 171-182, 3 figs, 5 tables.

Vinogradova K.L. (2007). The genus Porphyra (Bangiales, Rhodophyta) in the north seas of Russia. Botanicheskii Zhurnal 92(4): 532-543, 3 pls.

Created: 31 March 1996 by M.D. Guiry

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

Accesses: This record has been accessed by users 25003 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.

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

Bray, T.L., Neefus, C.D. & Mathieson, A.C. (2007). A morphological and molecular investigation of Porphyra purpurea (Bangiales, Rhodophyta) complex in the Northwest Atlantic. Nova Hedwigia 84: 277-298.
Brodie, J. & Irvine, L.M. (1997). A comparison of Porphyra dioica sp. nov. and P. purpurea (Roth) C. Ag. (Rhodophyta: Bangiophycidae) in Europe. Cryptogamie, Algologie 18: 283-297.
Chopin, T., Morais, T., Belyea, E. & Belfry, S. (2004). Polyphosphate and siliceous granules in the macroscopic gametophytes of the red alga Porphyra purpurea (Bangiophyceae, Rhodophyta). Botanica Marina 47: 272-280, 3 figs, 1 table.
Kraemer, G.P. & Yarish, C. (1999). A preliminary comparison of the mariculture potential of Porphyra purpurea and Porphyra umbilicalis. Journal of Applied Phycology 11: 473-477.
Liu, Q.Y. & Reith, M. (1996). A sporophyte cell wall protein of the red alga Porphyra purpurea (Rhodophyta) is a novel member of the chymotrypsin family of serine proteases. Journal of Phycology 32: 1003-1009, 4 figs.
Liu, Q.Y., Ross, N., Lanthier, P. & Reith, M. (1996). A gametophyte cell wall protein of the red alga Porphyra purpurea (Rhodophyta) contains four apparent polysaccharide-binding domains. Journal of Phycology 32: 995-1003, 5 figs.
Liu, Q.Y., van der Meer, J.P. & Reith, M.E. (1994). Isolation and characterization of phase-specific complementary DNAs from sporophytes and gametophytes of Porphyra purpurea (Rhodophyta) using subtracted complementary DNA libraries. Journal of Phycology 30: 513-520, 3 figs, 1 table.
MacKay, R.M. & Gallant, J.W. (2002). The ß-tubulin gene of Porphyra purpurea (Rhodophyta). Journal of Phycology 38: 1020-1023.
Minocha, S.C., Hunt, M. & Mathews, D.E. (2009). Molecular characterization of four genes involved in sulfur metabolism in Porphyra purpurea (Roth) C. Agardh. Proceedings of the International Seaweed Symposium 19: 333-345, 2 figs, 1 table.
Mitman, G.G. & van der Meer, J.P. (1994). Meiosis, blade development, and sex determination in Porphyra purpurea (Rhodophyta). Journal of Phycology 30: 147-159, 17 figs, 3 tables.
Taboada, M.C., Millán, R. & Miguez, M.I. (2013). Nutritional value of the marine algae wakame (Undaria pinnatifida) and nori (Porphyra purpurea) as food supplements . J. Appl. Phycol. 25: 1271-1276.

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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 22 September 2018.

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