Family: Perikumfamilien (Hypericaceae)
Norwegian name: Perikumfamilien
Systematics :
| Kingdom | Planteriket (Plantae) | |||||||
| Artificial group | Vascular plant (Tracheophytes) | |||||||
| Superphylum | Frøplanter (Spermatophyte) | |||||||
| Phylum | Dekkfrøete blomsterplanter (Magnoliophyta) | |||||||
| Subclass | Tofrøblader (Magnoliidae) | |||||||
| Family | Perikumfamilien (Hypericaceae) | |||||||
| Genus | St. John's Wort (Hypericum) | |||||||
| Species | Praktperikum (Hypericum calycinum) | |||||||
| Species | Lodneperikum (Hypericum hirsutum) | |||||||
| Species | Dvergperikum (Hypericum humifusum) | |||||||
| Species | Firkantperikum (Hypericum maculatum) | |||||||
| Species | Bergperikum (Hypericum montanum) | |||||||
| Species | Prikkperikum (Hypericum perforatum) | |||||||
| Species | Fagerperikum (Hypericum pulchrum) | |||||||
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