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Thallus of Ectocarpus conifervoides with uni- and plurilocular sporangia. Scale bar indicates 100 µm. Collected from North Sea, Helgoland shelf. This image was taken using Olympus BH of BAH lab (AWI) with Olympus C7070 CCD camera.
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Goniochloris (go-knee-o-clore-is) a xanthophyte, this is a cyst stage. In some cases it can be seen that the cyst is formed inside a wall structure. With chlorophylls a and c, but unlike some of the other stramenopiles, xanthophytes lack fucoxanthin and so are not as yellow or brown. Red globule is storage material. Differential interference contrast.
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Lilleør, Samsø, Danmark
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Fornæs, Djursland, Danmark
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Lendrup S Løgstør, Jylland, Danmark
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Fornæs
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Sardinia
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Limfjorden Ertebølle
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Kirkedals bæk ved Hobro, Danmark
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Small Macrocystis pyrifera individual, with holdfast, at Steinhart Aquarium, San Francisco, California
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Fucus a maree basse, pres Angoulins.
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Pheophyceees (Algues brunes) Laminariees, Laminaria saccharina (Lamour).
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Rosenvingea orientalis.
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Large Nereocystis plant collected near Low Cape, Kodiak Island. Note holdfast on ground at extreme right
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Pelvetia canaliculata.
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Spatoglossum schraederi.
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Pheophycees (Algues brunes) Fucacees, Bifurcaria tuberculata (L.) Decn. et Thur..
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South Pacific Ocean, Duration 10 seconds
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Pylaiella (pile-eye-ell-a) a filamentous brown alga. Detail of plastids. Differential interference microscopy.
data on this strain.
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Tribonema (tribe-owe-knee-ma) is a xanthophyte, a group of stramenopiles with chloroplasts. Xanthophytes may adopt a variety of body forms, and the normal form for this genus is the filament. Cell walls often built from H-shaped units, and these overlap in the middle of a cell. Stalked attached cells also occur, as is evident here. Plastids usually discoid, yellow green. Differential interference contrast.
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Glatved Strand N
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Fornæs, Djursland, Danmark
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Lendrup S Løgstør, Jylland, Danmark
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Fornæs