Secondary branches not further branched, corticating filaments may occur, stipulodes present beneath nodal cells.
Secondary branches further branched, no corticating filaments, stipulodes absent below nodal cells.
![[Chara] with oval oogonium, X6. Photo: Phil Novis, Manaaki Whenua](/assets/Tools-And-Resources/Identification/algae/chara_phil6__FillMaxWzMwMCwyMDBd.jpg)
![[Nitella], X9. Photo: Otago Regional Council & Manaaki Whenua](/assets/Tools-And-Resources/Identification/algae/nitella9__FillMaxWzMwMCwyMDBd.jpg)