Dumontia contorta: Difference between revisions

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Dumontia contorta (S.G. Gmelin) Ruprecht ^[1]

The thallus grows from a discoid holdfast to a length of about 23 cms. The fronds branched irregularly and sparingly.^[2] Branches hollow, soft and twisted, dark reddish brown in colour which bleach towards the tips, they clearly taper at their junction.^[1]

Habitat

Generally epilithic in rock pools of the littoral.^[1]

Distribution

Common around the British Isles. Europe from Russia to Portugal and Canada to USA. In the NW Pacific and Alaska.^[1]

References

^ ^a ^b ^c ^d Irvine, L.M. 1983. Seaweeds of the British Isles Volume 1 Rhodophyta. Part 2A. British Museum (Natural History) ISBN 0 565 00871 4
^ Jones, W.E. 1964. A key to the genera of the British seaweeds. Field Studies 1 no.4:1 - 32

[Irvine_83-1] Irvine, L.M. 1983. Seaweeds of the British Isles Volume 1 Rhodophyta. Part 2A. British Museum (Natural History) ISBN 0 565 00871 4

[2] Jones, W.E. 1964. A key to the genera of the British seaweeds. Field Studies 1 no.4:1 - 32

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@@ Line 7: / Line 7: @@
 The thallus grows from a discoid [[holdfast]] to a length of about 23 cms. The [[frond]]s branched irregularly and sparingly.<ref>Jones, W.E. 1964. A key to the genera of the British seaweeds. ''Field Studies'' '''1''' no.4:1 - 32</ref> Branches hollow, soft and twisted,  dark reddish brown in colour which bleach towards the tips, they clearly taper at their junction.<ref name="Irvine 83"/>
+==Habitat==
+Generally epilithic in rock pools of the littoral.<ref name="Irvine 83"/>
 ==Distribution==