Chorda filum (Linnaeus) Stackhouse
Description: Thallus cylindrical, dark brown,
to 10 m long (mostly 2-6 m when mature). Frond unbranched,
5mm wide; parenchymatous, differentiated into a cortex, medulla
and small celled epidermis; elongate medullary hyphae present;
solid, becoming hollow in older plants. Frond covered by
clavate unicellular paraphyses and colourless hairs; attached by
a discoid holdfast. Unilocular sporangia formed among paraphyses
over the surface of the frond. Fronds often wound together
in rope-like masses.
Habitat: Grows on smalls stones and gravel in
the lower intertidal and shallow subtidal; sometimes epiphytic.
Photographs © M.D. Guiry
-
BioAtlantis
provides sustainable technologies from the sea to enhance
plant, animal and human health.
-
Connemara Organic Seaweed Company
provide hand harvested, sustainable, kelp and seaweed products
for human consumption through health supplements and edible
products.
-
Emerald Isle Organic Irish Seaweed.
A family business producing seaweed as supplements,
cooking, gardening and bath products.
-
Irish Seaweeds Ltd
are suppliers of 100% natural hand-harvested seaweeds and
edible sea vegetable products from Ireland.