Species: Sjøpiggknopp (Sparganium gramineum)
Norwegian name: Sjøpiggknopp
Norwegian Red List (2021): Vulnerable
Systematics :
| Kingdom | Planteriket (Plantae) | |||||||
| Artificial group | Vascular plant (Tracheophytes) | |||||||
| Superphylum | Frøplanter (Spermatophyte) | |||||||
| Phylum | Dekkfrøete blomsterplanter (Magnoliophyta) | |||||||
| Klasse | Enfrøblader (Liliopsida) | |||||||
| Family | Piggknoppfamilien (Sparganiaceae) | |||||||
| Genus | Piggknoppslekta (Sparganium) | |||||||
| Species | Sjøpiggknopp (Sparganium gramineum) | |||||||
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