Algae

Batrachospermum

Occurrence Batrachospermum is fresh water alga. It is found in clear, cool and running streams. Deep water plants are dark violet or reddish in colour. But the shallow water species are olive green. The intensity of light changes the colour of pigments. The thallus is attached to the substratum. General structure Vegetative structure Tha:lus of adult plant is soft, thick, ...

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Polysiphonia

Occurrence Polysiphonia is a marine alga. It is present along the coast of oceans. It is attached to the rocks or other substratum. Some members are epiphytes. General structure Vegetative structure Plan body is composed of branched filamentous and basal attachment disc. Attachment discs: The basal attachment disc is formed of several non septate, branched rhizoids. Vertical portion: The vertical ...

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