Didymo (didymosphenia geminata) is a freshwater algae that forms massive blooms on beds of streams or lake edges that have some wave action. Introduced from Nth America. Can choke out insect life.
Some rivers in South Island, New Zealand.
Submitted by: Dave Cook
Rated Rated Above average (3.6) with 9 votes.
|EXIF picture information|
|Exposure time||1/364 s|
|Lens focal length||8 mm (~53 mm on 35 mm film)|
|Lens aperture||f 3.2|
|Date and time of original||2006-11-30 08:42|
|Software used||Nikon Browser 6.1.0 W|
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