Subspecies: Ugrasknavel (Scleranthus annuus subsp. annuus)
Other names: (eittårsknavel), (ettårsknavel), ugressknavel
Norwegian name: Ugrasknavel
Systematics :
| Kingdom | Planteriket (Plantae) | ||||||||
| Artificial group | Vascular plant (Tracheophytes) | ||||||||
| Superphylum | Frøplanter (Spermatophyte) | ||||||||
| Phylum | Dekkfrøete blomsterplanter (Magnoliophyta) | ||||||||
| Subclass | Tofrøblader (Magnoliidae) | ||||||||
| Family | Nellikfamilien (Caryophyllaceae) | ||||||||
| Genus | Knavelslekta (Scleranthus) | ||||||||
| Species | Ettårsknavel (Scleranthus annuus) | ||||||||
| Subspecies | Ugrasknavel (Scleranthus annuus subsp. annuus) | ||||||||
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