Laminariaceae

Eastern North Pacific Ocean, Duration 22 seconds

Sangstrup Klint

Giant Kelp forest, Santa Barbara County, California (30 September 2008)

Laminaria.

Laminaria saccharina.

Vertical section of a large holdfast of Nereocystis.

[Renfrewia] : Longitudinal section of stipe.

Giant kelp (Nercocystis lutkeana).

Showing Manner of Formation of Leaves of Macrocystis.

Pheophycees (Algues brunes) Laminariees, Laminaria Cloustonii. Le Jolis.

At the tip of each giant kelp frond is found the apical scimitar blade, the site of the meristem or persistent growth zone. Here the kelp's floats and blades differentiate and split apart as the kelp grows toward the surface of the sea. Depth 3 m.

Eastern North Pacific Ocean, Duration 19 seconds

Fornæs

Small Macrocystis pyrifera individual, with holdfast, at Steinhart Aquarium, San Francisco, California

Algues brunes, Pheophycees. 1- Punctaria latifolia, 2- Punctaria plantaginea, 3- Asperococcus bullosus, 4- Scytosiphon tomentarius, 5- Phyllitis fascia, 6- Chorda filum, 7- Chorda tomentosa, 8- Laminaria saccharina, 9- Laminaria digitata, 10- Laminaria hyperborea

Laminaria saccharina.

Juvenile Nereocystis Plant.

[Renfrewia] : Radial section of holdfast showing secondary branch.

Nereocystis lutkeana.

Eastern North Pacific Ocean, Duration 15 seconds

Fornæs

SCUBA diver in kelp forest, Point Lobos, California

Laminaria digitalis.

Laminaire (L. saccharina).