Scytosiphon lomentaria

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Scytosiphon lomentaria
Scytosiphon lomentaria
Scientific classification
S. lomentaria
Binomial name
Scytosiphon lomentaria

Scytosiphon lomentaria is a littoral brown seaweed with an irregularly lobed many filamentous form. It is a member of the Phaeophyta in the order Dictyosiphonales and grows attached to shells and stones in rock-pools and in near-shore waters. The attachment to the substrate is by a small disc shaped holdfast.


Scytosiphon lomentaria has cylindrical, shiny, olive brown, unbranched fronds up to 400 mm long. They have short stalks and a large number may arise from a single holdfast. They widen to 3-10mm and narrow again near the tip. They are hollow and often have irregular constrictions.[1]

Distribution and habitat[edit]

This species is cosmopolitan in distribution being found in temperate waters around the world. The type location is Denmark.[2] It occurs in the littoral zone and favours wave-exposed shores and rock pools.[3] Small plants are often found growing on limpets and pebbles.[1]


  1. ^ a b The Seaweed Site
  2. ^ AlgaeBase
  3. ^ Nelson, W. A. (2013). New Zealand seaweeds : an illustrated guide. Wellington, New Zealand: Te Papa Press. p. 124. ISBN 9780987668813. OCLC 841897290.