Filaments often violet coloured, with straight branches terminating in blunt-ended cells; chloroplasts red, grey-green, or blue-green, pa...
Branches fine, relatively densely packed, ending in pointed cells; cells contain green chloroplasts; whole structure is embedded in a gel...
Cells in filaments loosely aligned, with constrictions between them (sometimes gaps between cells), with a wide mucilage envelope; chloro...
Cells are large, each containing a netlike green chloroplast with numerous pyrenoids; branch tips are rounded; structure is not embedded ...
Branches are fine, ending in pointed tips; each cell contains a single band-shaped green chloroplast; structure is not embedded in a gela...
![[Audouinella], Glenomaru Stream, X7. Photo: Otago Regional Council & Manaaki Whenua](/assets/Tools-And-Resources/Identification/algae/audouinella__FillMaxWzMwMCwyMDBd.jpg)
![[Chaetophora], Kakanui River, X6. Photo: Otago Regional Council & Manaaki Whenua](/assets/Tools-And-Resources/Identification/algae/chaetophora6__FillMaxWzMwMCwyMDBd.jpg)
![[Chroodactylon], lower Clutha River, X10. Photo: Otago Regional Council & Manaaki Whenua](/assets/Tools-And-Resources/Identification/algae/chroodactylon10__FillMaxWzMwMCwyMDBd.jpg)
![[Cladophora], Wairuna River, Otago. Photo: Otago Regional Council & Manaaki Whenua](/assets/Tools-And-Resources/Identification/algae/cladophora2__FillMaxWzMwMCwyMDBd.jpg)
![[Stigeoclonium], Otago, X4. Photo: Otago Regional Council & Manaaki Whenua](/assets/Tools-And-Resources/Identification/algae/stigeoclonium4__FillMaxWzMwMCwyMDBd.jpg)