Chondrus crispus Stackhouse 1797

Chondrus crispus Stackhouse

Current name: Chondrus crispus Stackhouse
Spiddal, Co. Galway, Ireland - 12 February 2012. M.D. Guiry (

Publication Details
Chondrus crispus Stackhouse 1797: xxiv

Published in: Stackhouse, J. (1797). Nereis britannica; continens species omnes fucorum in insulis britannicis crescentium: descriptione latine et anglico, necnon iconibus ad vivum depictis... Fasc. 2. pp. ix-xxiv, 31-70, pls IX-XIII. Bathoniae [Bath] & Londini [London]: S. Hazard; J. White.

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Original description:  

Type Species
This is the type species (lectotype) of the genus Chondrus.

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

Type Information
Type locality: N. Atlantic Ocean; (Silva & al. 1996: 898) Holotype: LINN; 1274.68 (Dixon & Irvine 1977: 234)

Origin of Species Name
Adjective (Latin), crisped, irregularly waved and twisted (Stearn 1983).

General Environment
This is a marine species.

Cartilaginous, dark purplish-red, red, yellowish or greenish fronds to 150 mm high, gametophyte plants are often iridescent under water when in good condition. Stipe compressed, narrow, expanding gradually to a flat, repeatedly dichotomously branched frond, in tufts from a discoid holdfast. Axils rounded, apices blunt or subacute, frond thicker in centre than margins. Very variable in breadth of segments. Very variable in branching, colour and thickness.

On rocks, lower intertidal and shallow subtidal, in pools in the mid-intertidal in some locations; widely distributed in the north western and north eastern Atlantic, often abundant and zone-forming at low water.

Key Characteristics
Regular dichotomous branching; cartilaginous feel to the fronds; absence of papillate cystocarps and channeling.

Similar Species
Mastocarpus stellatus is frequently collected with Chondrus crispus and sold as a mixture under the name Carrageen or Irish Moss.

Created: 30 July 1999 by M.D. Guiry.

Last updated: 17 February 2020

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Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 17 February 2020. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway.; searched on 14 July 2024

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