Ralfsia verrucosa (Areschoug) J. Agardh
Description: Thallus a blackish-brown to
purplish, patchy, crust. Thallus with a inistinct margin,
formed of erect filaments curving up from a prostrate
system. Filaments fused, not easily separable under
pressure, usually more than 10 cells long each cell with a
single discoid chloroplast. Hairs present.
Club-shaped multicellular (6-12 cells) paraphyses present.
Unilocualr sporangia terminal in sori; plurilocular sporangia
multiseriate, terminal in sori.
Habitat: upper to lower intertidal in pools on
rock and on limpets, particuarly Patella vulgata.
- 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.