Doubled ribbon weed (Ulva linza)
|Researched by||Morvan Barnes||Refereed by||Admin|
|Other common names||-||Synonyms||Enteromorpha linza Linnaeus, 1753|
Ulva linza is a large, ribbon-like species of green seaweed that may reach up to 30 cm in length. The thalli are unbranched and often have a frilled margin. The thalli taper into a distinct stipe below and are highly compressed. The width of the thallus is greater in the middle than at the base and may reach 5 cm in width. Ulva linza is bright light to dark green in colouration.
Recorded distribution in Britain and IrelandFound throught the coasts of the British Isles and Ireland.
HabitatUlva linza is a littoral and sublittoral species usually found on rocks or in rock pools, usually marine but occassionally found under brackish conditions.
- Thalli up to 30 cm in length, 5 cm in width.
- Unbranched thalli with a frilled margin.
- Thallus width greatest in the middle.
- Bright green spring colouration.
- Central cavity walls are closely adpressed, free only at the margins and the base.
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Last Updated: 22/05/2008