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Spongonema tomentosum (Hudson) Kützing

Description: Thallus filamentous, string-like, up to 200mm long.  Erect system of branched assimilatory filaments; branching secund, intertwining right-angled branches present. Filaments densely interwoven. Basal system of free filaments and rhizoids; some filaments aggregated into pseudodiscs.  One or two linear chloroplasts per cell.  Unilocular sporangia present; plurilocular sporangia multiseriate, elongate, terminal on short branchlets.
Habitat: Mid- to lower intertidal epiphytic on Fucus vesiculosus and Himanthalia elongata.

Species list

  • Bio AtlantisBioAtlantis provides sustainable technologies from the sea to enhance plant, animal and human health.
  • Connemara Organic Seaweed CompanyConnemara Organic Seaweed Company provide hand harvested, sustainable, kelp and seaweed products for human consumption through health supplements and edible products.
  • Emerald Isle Organic Irish SeaweedEmerald Isle Organic Irish Seaweed. A family business producing seaweed as supplements, cooking, gardening and bath products.
  • Irish Seaweeds LtdIrish Seaweeds Ltd are suppliers of 100% natural hand-harvested seaweeds and edible sea vegetable products from Ireland.