Porphyra amethystea Kützing

Publication details
Porphyra amethystea Kützing 1843: 383

Original publication: Kützing, F.T. (1843). Phycologia generalis oder Anatomie, Physiologie und Systemkunde der Tange... Mit 80 farbig gedruckten Tafeln, gezeichnet und gravirt vom Verfasser. pp. [part 1]: [i]-xxxii, [1]-142 , [part 2:] 143-458, 1, err.], pls 1-80. Leipzig: F.A. Brockhaus.
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Type species
The type species (holotype) of the genus Porphyra is Porphyra purpurea (Roth) C.Agardh.

Status of name
This name is currently regarded as a taxonomic synonym of Porphyra purpurea (Roth) C.Agardh

Origin of species name
Adjective (Latin), amethyst, violet, also applied to the colour range between purple and violet (Stearn 1973).

Synonym(s)
No synonyms are currently included in AlgaeBase.

General environment
This is a marine species.

Type information
Type locality: Ireland (Kützing 1843: 383). Lectotype: Shuttleworth; 1831; rocks in intertidal. L (Brodie & Irvine 2003: 130). Notes: Shuttleworth is known to have been in Renvyl, Co. Galway in 1831 and 1832 (Dictionary of National Biography, vol. 18, p. 176). He appears to have sent several Irish specimens to Kützing. DNA from the lectotype in L indicates that this entity is synonymous with Porphyra purpurea (Brodie & Irvine, 2003: 130). The material was collected from rock at Crump Island, Renvyle in 1831.

Detailed distribution with sources
(as Porphyra amethystea Kützing)
Ireland: Galway (Kützing 1843).

Europe: Britain (Newton 1931, Guiry 1997), Ireland (Newton 1931, Newton 1931).

Taxonomic notes
Requires further investigation. Included by some in Porphyra amplissima.

Source of synonymy
Brodie, J. & Irvine, L.M. (2003). Seaweeds of the British Isles. Volume 1. Rhodophyta. Part 3B. Bangiophycidae. pp. xiii + 167 + map. Andover: Intercept.

Key references
Yoshida, T., Notoya, M., Kikuchi, N. & Miyata, M. (1997). Catalogue of species of Porphyra in the world, with special reference to the type locality and bibliography. Nat. Hist. Res. Special Issue No. 3: 5-18, 4 figs.

NCBI Nucleotide Sequences
No sequences have been found on the NCBI site.

Created: 27 July 1996 by M.D. Guiry

Verified by: 24 September 2004 by M.D. Guiry

Accesses: This record has been accessed by users 1039 times since it was created.