Order: Charales
Systematics :
| Kingdom | Planteriket (Plantae) | ||||||
| Phylum | Green algae (Chlorophyta) | ||||||
| Klasse | Charophyceae | ||||||
| Order | Charales | ||||||
| Family | Kransalger (Characeae) | ||||||
| Genus | Chara | ||||||
| Genus | Nitella | ||||||
| Genus | Tolypella | ||||||
| Species | Kanadaglattkrans (Tolypella canadensis) | ||||||
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Responsible editor: Doris Jorde