153,268 species and infraspecific names are in the database, 20,952 images, 59,258 bibliographic items, 409,101 distributional records.

Porphyra dioica J.Brodie & L.M.Irvine

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 dioica J.Brodie & L.M.Irvine
Ría of Ferrol, Galicia, Spain, 2014. Ignacio Barbara. © Ignacio Barbara.

Porphyra dioica J.Brodie & L.M.Irvine
North of Galicia, Spain, 2014. Ignacio Barbara. © Ignacio Barbara.

Porphyra dioica J.Brodie & L.M.Irvine
North of Galicia, Spain, 2014. Ignacio Barbara. © Ignacio Barbara.

Porphyra dioica J.Brodie & L.M.Irvine
middle intertidial, North of Spain, 2010. Ignacio Bárbara. © Ignacio Bárbara (barbara@udc.es).

Porphyra dioica J.Brodie & L.M.Irvine
middle intertidial, North of Spain, 2010. Ignacio Bárbara. © Ignacio Bárbara (barbara@udc.es).

Porphyra dioica J.Brodie & L.M.Irvine
Silverstrand, Co. Galway, Ireland. 29 Apr 2012. M.D. Guiry. © M.D. Guiry (michael.guiry@algaebase.org).

Porphyra dioica J.Brodie & L.M.Irvine
Silverstrand, Co. Galway, Ireland. 29 Apr 2012. M.D. Guiry. © M.D. Guiry (michael.guiry@algaebase.org).

Porphyra dioica J.Brodie & L.M.Irvine
Silverstrand, Co. Galway, Ireland. 29 Apr 2012. M.D. Guiry. © M.D. Guiry (michael.guiry@algaebase.org).

Porphyra dioica J.Brodie & L.M.Irvine
Silverstrand, Co. Galway, Ireland. 29 Apr 2012. M.D. Guiry. © M.D. Guiry (michael.guiry@algaebase.org).

Porphyra dioica J.Brodie & L.M.Irvine
middle intertidial, North of Spain. 24 Oct 2011. Ignacio Bárbara. © Ignacio Bárbara (barbara@udc.es).

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42 Found - Displaying 1 through 10

 

Spongomorpha uncialis (O.F.Müller) Kützing

Porphyra dioica J.Brodie & L.M.Irvine Spain, Galicia, Ría Camariñas, Playa del Lago; TS microscope view of male blade
© Ignacio Bárbara (barbara@udc.es)

Publication details
Porphyra dioica J.Brodie & L.M.Irvine 1997: 286, figs 1, 3-15

Published in: 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.

Type species
The type species (lectotype) of the genus Porphyra is Porphyra purpurea (Roth) C.Agardh.

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

Heterotypic Synonym(s)
Porphyra umbilicalis f. rosea Hamel 1924

Distributional notes
Furnari et al. (1999) refer to this species Mediterranean specimens of Porphyra laciniata.

General environment
This is a marine species.

Common names

(as Porphyra dioica J.Brodie & L.M.Irvine)
English: Black Laver (Bunker et al. 2010).

Description
Membranous, monostromatic, olive-green to brown-purple or blackish fronds, to 500 mm long and 200 mm wide, from short stipe and basal holdfast.

Habitat
On rock in interdidal, mainly on semi-exposed shores hanging downwards from rocks embedded in sand or affected by sand. Most common in spring and early summer; widely distributed.

Key characteristics
Dioecious and habitat.

Similar species
Porphyra purpurea, which is monoecious.

Type information
Type locality: Sidmouth, Devon, England (Brodie & Irvine 1997: 286). Holotype: J. Brodie; Oct. 9. 1996; BM (Brodie & Irvine 1997: 286). Notes: Isotypes: (PC), (B), (NRCC), (GALW), (SAP)

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.

Holmes, M.J. & Brodie, J. (2004). Morphology, seasonal phenology and observations on some aspects of the life history in culture of Porphyra dioica (Bangiales, Rhodophyta) from Devon, UK. Phycologia 43: 176-188.

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.

Pereira, R., Sousa-Pinto, I. & Yarish, C. (2004). Field and culture studies of the life history of Porphyra dioica (Bangiales, Rhodophyta) from Portugal. Phycologia 43: 756-767.

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.

Created: 07 June 1999 by M.D. Guiry

Verified by: 30 January 2017 by M.D. Guiry

Accesses: This record has been accessed by users 13876 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.)

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.
Holmes, M.J. & Brodie, J. (2004). Morphology, seasonal phenology and observations on some aspects of the life history in culture of Porphyra dioica (Bangiales, Rhodophyta) from Devon, UK. Phycologia 43: 176-188.
Pereira, R., Kraemer, G., Yarish, C. & Sousa-Pinto, I. (2008). Nitrogen uptake by gametophytes of Porphyra dioica (Bangiales, Rhodophyta) under controlled-culture conditions. European Journal of Phycology 43(1): 107=118.
Pereira, R., Sousa-Pinto, I. & Yarish, C. (2004). Field and culture studies of the life history of Porphyra dioica (Bangiales, Rhodophyta) from Portugal. Phycologia 43: 756-767.
Pereira, R., Sousa-Pinto, I. & Yarish, C. (2001). Studies on the life cycle of Porphyra dioica and Porphyra umbilicalis from Portugal. J. Phycol. 37, suppl.: 40-41.
Soler-Vila, A., Coughlan, S. Guiry, M.D. & Kraan, S. (2009). The red alga Porphyra dioica as a fish-feed ingredient for rainbow trout (Oncorhynchus mykiss): effects on growth, feed efficiency, and carcass composition. Journal of Applied Phycology 21(5): 617-624.

Linking to this page: http://www.algaebase.org/search/species/detail/?species_id=18864

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 18 October 2018.

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