Is polysiphonia is included in cynobacteria

1.	Is polysiphonia is included in cynobacteria
Answer» Polysiphonia\xa0is a member of the order Ceramiales. The genus\xa0Polysiphonia\xa0derives its name from the polysiphonous nature of its thallus. The central siphon is surrounded by 4–24 pericentral siphons.\xa0Polysiphonia\xa0is commonly found as an epiphyte on plants and lithophyte on rocks in brackish estuaries in the intertidal and sublittoral regions. Most species prefer quiet waters whereas some are found in rough or even polluted waters.\xa0The filamentous thalli are brownish red to dark purple colored, highly branched and with a feathery appearance.\xa0Polysiphonia\xa0is a heterotrichous alga having an erect series of branches and a filamentous prostrate section attached to the substratum by means of unicellular rhizoids.\xa0

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