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Ochrophyta · Brown Seaweed

Desmarestia herbacea

(Turner) J.V.Lamouroux
Phylum
Ochrophyta
Class
Phaeophyceae
Order
Desmarestiales
Family
Desmarestiaceae

Desmarestia herbacea

Giant flattened acid kelp

Authority
(Turner) J.V.Lamouroux
Thalli ligulate, to 4 m (13 ft) or more in length, 10 cm (4 in) or more wide, although usually smaller, with percurrent midrib that branches and extends into lateral branches to one or more orders, resembling the main axis but smaller, dark brown to yellowish brown in color.

Habitat

Occurring on rock from the extreme low intertidal to ~20 m depth subtidally.

North Pacific Distribution

Southeast Alaska to Baja California, Mexico

Former scientific names

Desmarestia munda, Fucus herbaceus

Similar taxa

This resembles Desmarestia ligulata but is much more robust.

References

Last updated December 26, 2010

Photos