Factsheets for Red Seaweeds (phylum Rhodophyta)

Genus: Furcellaria Trade name: furcellaria Symbol: FL
AuthorityJ.V. Lamouroux Type species:  Furcellaria lumbricalis (Hudson) J.V. Lamouroux
Commercial species: fastigiata (FST)
Common names: Agar-agar, Baltic agar, Black Carrageen, Crúba préacháin, Danish agar, Escad, Forma minor, Forma tenuoir, Furcellaran, Furgin, Leaba phortáin, Ostsee-agar
Classification: Eukaryota, Phylum Rhodophyta, Class Rhodophyceae, Subclass Florideophycidae, Order Gigartinales, Family Furcellariaceae.
AlgaeBase names and species:  9 names - 1 current as of 12-2001.
Comprehensive lists of common names , generic & specific names can be found at AlgaeBase. >>Click here<<  for SuriaLink's policy on names.
SuriaLink SeaPlant Utility Rating
Significant wild crop used for galactans.
Harvesting must use good  environmental practices.
Cartilaginous, cylindrical, dark brownish thallus fronds dichotomously branched with narrow axils up to 2 mm diameter. and 3 cm long. Acute apices. Attached by a holdfast comprised of branched hyphae.
Attaches to rocks in the lower intertidal and shallow subtidal zones or in pools. Often found on sandy or muddy shores attached to fragments of hard substrate. Tolerant of lowered salinities. Commonly found in mixed populations with Chondrus crispus.

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Furcellaria production
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Tons per annum
wild harvest
Tons per annum
Canada 100+ 0
Denmark 100+ 0


200+ 0
Approximate annual production figures from recent years are as above.
Biology & Agronomy
In preparation.
In preparation.
We have several monographs in progress covering analytical procedures post-harvest treatment and process technology. Check the processing index for available web pages and monographs. 
Products, Uses & Applications
List of species' uses and community affiliations
Genus GenID SpID Species Uses Communities
Furcellaria FL FAS fastigiata FH, FI, IA, PA, PC, WB BP

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Furcellaria is most strongly associated with the Biopolymer community.
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