Rhodochorton purpureum (Lightfoot) Rosenvinge 1900

Rhodochorton purpureum (Lightfoot) Rosenvinge

Current name: Rhodochorton purpureum (Lightfoot) Rosenvinge
Northern California - 09 March 2011. Wendell Wood (ww@oregonwild.org)

Publication Details
Rhodochorton purpureum (Lightfoot) Rosenvinge 1900: 75

Published in: Rosenvinge, M.L.K. (1900). Note sur une Floridée aérienne (Rhodochorton islandicum nov. sp.). Botanisk Tidsskrift 23(1): , 4 figures. [in French]

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Publication date: June 1900

Type Species
This is the type species (type conserved) of the genus Rhodochorton.

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

Byssus purpurea Lightfoot

Type Information
Type locality: "Upon the base of the Abbott MacKinnon’s tomb in the ruin'd abbey at J-Columb-Kill"; (Index Nominum Algarum) Type: Probably destroyed (Conway & Knaggs, 1966); Notes: The Abbott MacKinnon’s tomb has now been enclosed and no trace of the original population remains (fide David Fewer).

Origin of Species Name
Adjective (Latin), purple (Stearn 1973).

General Environment
This is a marine species.

Plants forming matted purplish-red tufts or a thin turf of sparingly branched, erect filaments, 5-10 mm long. Cells 3-4 times as long as broad. Cells with a single reticulate plastid without pyrenoids, later fragmented. Reproducing by tetrasporangia, mostly in winter. Monosporangia absent.

On rock or epiphytic (especially on Laminaria hyperborea stipes), upper infralittoral to subtidal, often in caves and shady crevices. Widely distributed, common.

Key Characteristics
Turf-forming habit and association with upper intertidal, shaded habitats or Laminaria hyperborea stipes. Absence of monosporangia.

Similar Species
Rhodothamniella floridula, which forms more extensive turfs. Microscopic examination (for the presence or absence of pyrenoids) is required to be certain of the identity of this species.

Created: 30 March 1996 by M.D. Guiry.

Last updated: 18 October 2022

Verification of Data
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Linking to this page: https://www.algaebase.org/search/species/detail/?species_id=7

Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 18 October 2022. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. https://www.algaebase.org; searched on 26 September 2023

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