Subspecies: Greintungras (Polygonum aviculare subsp. aviculare)
Other names: greintungress, vanleg tungras, vanlig tungras, vanlig tungress
Norwegian name: Greintungras
Systematics :
| Kingdom | Planteriket (Plantae) | ||||||||
| Artificial group | Vascular plant (Tracheophytes) | ||||||||
| Superphylum | Frøplanter (Spermatophyte) | ||||||||
| Phylum | Dekkfrøete blomsterplanter (Magnoliophyta) | ||||||||
| Subclass | Tofrøblader (Magnoliidae) | ||||||||
| Family | Slireknefamilien (Polygonaceae) | ||||||||
| Genus | Tungrasslekta (Polygonum) | ||||||||
| Species | Knotgrass (Polygonum aviculare) | ||||||||
| Subspecies | Greintungras (Polygonum aviculare subsp. aviculare) | ||||||||
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