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| | Laminaria digitata (Site not responding. Last check: 2007-10-17) |
 | | Description: Dark brown, to 2 m in length; with a claw-like holdfast, a smooth, flexible stipe, and a laminate blade to 1.5 m long dividing into finger-like segments. |
 | | Distinguishing features: Stipe is oval in crossection, and does not snap easily when bent; in Laminaria hyperborea the plants are lighter in colour, the stipe is generally longer, thicker, circular in crossection, and snaps easily when bent. |
 | | In Laminaria saccharina the blade is undivided and has regular, small depressions |
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