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A carpospore is a diploid spore produced by red algae. After fertilization, the alga's carpogonium subdivides into carpospores, and generally the largest type of spore (larger than bispores, which are larger again than tetraspores). [1] The wall of the carposporangium then breaks down, releasing the spores into the environment. [2]
Polysiphonia, known as red hair algae, [1] is a genus of filamentous red algae with about 19 species on the coasts of the British Isles [2] and about 200 species worldwide, [3] including Crete in Greece, Antarctica and Greenland. [4] [5] Its members are known by a number of common names. [note 1] [4] It is in the order Ceramiales and family ...
Batrachospermaceae [2] is a family of fresh water red algae (Rhodophyta). Genera within the Batrachospermaceae generally have a "Lemanea-type" life history with carpospores germinating to produce chantransia. [3] Sporophyte phase with meiosis occurs in an apical cell to produce the gametophyte stage. [3]
Light microscopy of Polysiphonia showing a tetraspore within a tetrasporophyte cell. A=Tetraspore, B=Tetrasporophyte cell.Scale bar = 0.02 mm. Tetraspores are red algae spores produced by the tetrasporophytic phase in the life history of algae in the Rhodophyta as a result of meiosis. [1]
Hypnea is a genus of red seaweed under class Florideophyceae, order Gigartinales, and family Cystocloniaceae. There are 99 species listed on Algaebase with 78 being accepted taxonomically. [1]
Red algae, like Gracilaria, Gelidium, Euchema, Porphyra, Acanthophora, and Palmaria are primarily known for their industrial use for phycocolloids (agar, algin, furcellaran and carrageenan) as thickening agent, textiles, food, anticoagulants, water-binding agents, etc. [87] Dulse (Palmaria palmata) is one of the most consumed red algae and is a ...
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The red algae (Rhodophyta) are a large group of mostly multicellular, marine algae, including many notable seaweeds. Wikimedia Commons has media related to Rhodophyta . Pages in this category should be moved to subcategories where applicable.