Chamaesiphon (ca-may-sigh-phon) (also known as Entophysalis) elongate cyanobacterium with spores forming at the distal end, basal part with mucus sheath. Found as one of several cyanobacterial epibionts on the leaves of the moss Hygrohypnum, a site which seems to be a focus for nitrogen fixation. Differential interference contrast. This image taken by Michele Bahr and David Patterson of material collected from the water column and the margins of Lake Toolik (Alaska, USA) in August, 2001. Image copyright: Michele Bahr and D. J. Patterson, used under license to MBL (micro*scope).
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From the collection
Lake Toolik, Arctic Alaska
|Description of Chamaesiphon: Filamentous, attached at one end, encased in mucus sheath, unattached end forms exospores, often epiphytic. |