Order: Acrosiphoniales
Systematics :
| Kingdom | Planteriket (Plantae) | ||||||
| Phylum | Green algae (Chlorophyta) | ||||||
| Klasse | Grønnalger (Chlorophyceae) | ||||||
| Order | Acrosiphoniales | ||||||
| Family | Acrosiphonaceae | ||||||
| Genus | Grønndott-slekta (Spongomorpha) | ||||||
| Species | Liten grønndott (Spongomorpha aeruginosa) | ||||||
| Species | Stor grønndott (Spongomorpha arcta) | ||||||
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