Genus: Reynoutria
Systematics :
| Kingdom | Planteriket (Plantae) | |||||||
| Artificial group | Vascular plant (Tracheophytes) | |||||||
| Superphylum | Frøplanter (Spermatophyte) | |||||||
| Phylum | Dekkfrøete blomsterplanter (Magnoliophyta) | |||||||
| Subclass | Tofrøblader (Magnoliidae) | |||||||
| Family | Slireknefamilien (Polygonaceae) | |||||||
| Genus | Reynoutria | |||||||
| Species | Hybridslirekne (Reynoutria ×bohemica) | |||||||
| Species | Kjempeslirekne (Reynoutria sachalinensis) | |||||||
| Species group | Park-, kjempe- og hybridslirekne (Reynoutria ×bohemica/japonica/sachalinensis) | |||||||
| Species | Parkslirekne (Reynoutria japonica) | |||||||
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