Species: Crataegus monogyna
Systematics :
| Kingdom | Planteriket (Plantae) | ||||||||
| Artificial group | Vascular plant (Tracheophytes) | ||||||||
| Superphylum | Frøplanter (Spermatophyte) | ||||||||
| Phylum | Dekkfrøete blomsterplanter (Magnoliophyta) | ||||||||
| Subclass | Tofrøblader (Magnoliidae) | ||||||||
| Family | Rosefamilien (Rosaceae) | ||||||||
| Genus | Hawthorn (Crataegus) | ||||||||
| Species | Crataegus monogyna | ||||||||
| Subspecies | Hagtorn (Crataegus monogyna subsp. nordica) | ||||||||
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