Algae are colonial - cells united in packets, either joined side-to-side, loosely attached, united in common jelly, etc - but not solely ...
Algae are filamentous (either cells joined end-to-end or comprised of long tubes without cell walls, may be branched or unbranched, or li...
Algae are unicellular - not joined to neighbouring cells (even with colourless mucilage)
![[Merismopedia], Taieri River, X640. Photo: Otago Regional Council & Manaaki Whenua](/assets/Tools-And-Resources/Identification/algae/merismopedia__FillMaxWzMwMCwyMDBd.jpg)
![[Cladophora], X160. Photo: Otago Regional Council & Manaaki Whenua](/assets/Tools-And-Resources/Identification/algae/cladophora160__FillMaxWzMwMCwyMDBd.jpg)
![[Chlamydomonas] (dairy effluent pond). Photo: Taranaki Regional Council & Manaaki Whenua](/assets/Tools-And-Resources/Identification/algae/Chlamydomonas-v2__FillMaxWzMwMCwyMDBd.jpg)
![[Pediastrum] (sewage pond), X1000. Photo: Otago Regional Council & Manaaki Whenua](/assets/Tools-And-Resources/Identification/algae/pediastrum1000__FillMaxWzMwMCwyMDBd.jpg)
![[Chara] with round, orange antheridium, X6. Photo: Phil Novis, Manaaki Whenua](/assets/Tools-And-Resources/Identification/algae/chara_phil20__FillMaxWzMwMCwyMDBd.jpg)